diff --git a/.cargo/config.toml b/.cargo/config.toml
index 83a9246..3522d2d 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -1,6 +1,6 @@
 [build]
 rustflags = [
-    #"-C", "force-frame-pointers=yes",
+    "-C", "force-frame-pointers=yes",
     #"-C", "force-unwind-tables=yes",
     #"-C", "embed-bitcode=no",
     #"-C", "relocation-model=pic",
diff --git a/Cargo.toml b/Cargo.toml
index 70d9ee4..f88a491 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 members = ["crates/*"]
 
 [profile.release]
-opt-level = 1
+opt-level = 2
 debug = 0
 overflow-checks = false
 debug-assertions = false
diff --git a/crates/daqbuffer/Cargo.toml b/crates/daqbuffer/Cargo.toml
index d46dbae..f2df0bd 100644
--- a/crates/daqbuffer/Cargo.toml
+++ b/crates/daqbuffer/Cargo.toml
@@ -1,11 +1,11 @@
 [package]
 name = "daqbuffer"
-version = "0.4.1"
+version = "0.4.3-alpha"
 authors = ["Dominik Werder <dominik.werder@gmail.com>"]
 edition = "2021"
 
 [dependencies]
-tokio = { version = "1.18.1", features = ["rt-multi-thread", "io-util", "net", "time", "sync", "fs"] }
+tokio = { version = "1.22.0", features = ["rt-multi-thread", "io-util", "net", "time", "sync", "fs"] }
 hyper = "0.14"
 http = "0.2"
 tracing = "0.1.25"
@@ -20,7 +20,7 @@ serde_json = "1.0"
 serde_yaml = "0.9.16"
 chrono = "0.4"
 url = "2.2.2"
-clap = { version = "4.0.22", features = ["derive", "cargo"] }
+clap = { version = "4.3.15", features = ["derive", "cargo"] }
 lazy_static = "1.4.0"
 err = { path = "../err" }
 taskrun = { path = "../taskrun" }
diff --git a/crates/daqbuffer/src/bin/daqbuffer.rs b/crates/daqbuffer/src/bin/daqbuffer.rs
index cf6d8a8..785ac87 100644
--- a/crates/daqbuffer/src/bin/daqbuffer.rs
+++ b/crates/daqbuffer/src/bin/daqbuffer.rs
@@ -14,6 +14,7 @@ use netpod::DtNano;
 use netpod::NodeConfig;
 use netpod::NodeConfigCached;
 use netpod::ProxyConfig;
+use netpod::ServiceVersion;
 use tokio::fs::File;
 use tokio::io::AsyncReadExt;
 
@@ -55,9 +56,16 @@ fn parse_ts(s: &str) -> Result<DateTime<Utc>, Error> {
 
 async fn go() -> Result<(), Error> {
     let opts = Opts::parse();
+    let service_version = ServiceVersion {
+        major: std::env!("CARGO_PKG_VERSION_MAJOR").parse().unwrap_or(0),
+        minor: std::env!("CARGO_PKG_VERSION_MINOR").parse().unwrap_or(0),
+        patch: std::env!("CARGO_PKG_VERSION_PATCH").parse().unwrap_or(0),
+        pre: std::option_env!("CARGO_PKG_VERSION_PRE").map(Into::into),
+    };
     match opts.subcmd {
         SubCmd::Retrieval(subcmd) => {
-            info!("daqbuffer {}", clap::crate_version!());
+            info!("daqbuffer version {} 0000", clap::crate_version!());
+            info!("{:?}", service_version);
             let mut config_file = File::open(&subcmd.config).await?;
             let mut buf = Vec::new();
             config_file.read_to_end(&mut buf).await?;
@@ -65,12 +73,12 @@ async fn go() -> Result<(), Error> {
                 info!("Parsed json config from {}", subcmd.config);
                 let cfg: Result<NodeConfigCached, Error> = cfg.into();
                 let cfg = cfg?;
-                daqbufp2::run_node(cfg).await?;
+                daqbufp2::run_node(cfg, service_version).await?;
             } else if let Ok(cfg) = serde_yaml::from_slice::<NodeConfig>(&buf) {
                 info!("Parsed yaml config from {}", subcmd.config);
                 let cfg: Result<NodeConfigCached, Error> = cfg.into();
                 let cfg = cfg?;
-                daqbufp2::run_node(cfg).await?;
+                daqbufp2::run_node(cfg, service_version).await?;
             } else {
                 return Err(Error::with_msg_no_trace(format!(
                     "can not parse config at {}",
@@ -86,7 +94,7 @@ async fn go() -> Result<(), Error> {
             let proxy_config: ProxyConfig =
                 serde_yaml::from_slice(&buf).map_err(|e| Error::with_msg_no_trace(e.to_string()))?;
             info!("Parsed yaml config from {}", subcmd.config);
-            daqbufp2::run_proxy(proxy_config.clone()).await?;
+            daqbufp2::run_proxy(proxy_config.clone(), service_version).await?;
         }
         SubCmd::Client(client) => match client.client_type {
             ClientType::Status(opts) => {
diff --git a/crates/daqbufp2/Cargo.toml b/crates/daqbufp2/Cargo.toml
index b82846c..7ba9bd4 100644
--- a/crates/daqbufp2/Cargo.toml
+++ b/crates/daqbufp2/Cargo.toml
@@ -18,7 +18,6 @@ bytes = "1.0.1"
 serde = "1.0"
 serde_derive = "1.0"
 serde_json = "1.0"
-rmp-serde = "1.1.1"
 chrono = "0.4"
 url = "2.2.2"
 lazy_static = "1.4.0"
diff --git a/crates/daqbufp2/src/daqbufp2.rs b/crates/daqbufp2/src/daqbufp2.rs
index 49b1d15..66d9c23 100644
--- a/crates/daqbufp2/src/daqbufp2.rs
+++ b/crates/daqbufp2/src/daqbufp2.rs
@@ -6,10 +6,20 @@ pub mod test;
 
 use ::err::Error;
 use futures_util::TryFutureExt;
-use netpod::{Cluster, NodeConfig, NodeConfigCached, ProxyConfig};
+use netpod::Cluster;
+use netpod::NodeConfig;
+use netpod::NodeConfigCached;
+use netpod::ProxyConfig;
+use netpod::ServiceVersion;
 use tokio::task::JoinHandle;
 
 pub fn spawn_test_hosts(cluster: Cluster) -> Vec<JoinHandle<Result<(), Error>>> {
+    let service_version = ServiceVersion {
+        major: 0,
+        minor: 0,
+        patch: 0,
+        pre: None,
+    };
     let mut ret = Vec::new();
     for node in &cluster.nodes {
         let node_config = NodeConfig {
@@ -18,7 +28,7 @@ pub fn spawn_test_hosts(cluster: Cluster) -> Vec<JoinHandle<Result<(), Error>>>
         };
         let node_config: Result<NodeConfigCached, Error> = node_config.into();
         let node_config = node_config.unwrap();
-        let h = tokio::spawn(httpret::host(node_config).map_err(Error::from));
+        let h = tokio::spawn(httpret::host(node_config, service_version.clone()).map_err(Error::from));
         ret.push(h);
     }
 
@@ -27,12 +37,12 @@ pub fn spawn_test_hosts(cluster: Cluster) -> Vec<JoinHandle<Result<(), Error>>>
     ret
 }
 
-pub async fn run_node(node_config: NodeConfigCached) -> Result<(), Error> {
-    httpret::host(node_config).await?;
+pub async fn run_node(node_config: NodeConfigCached, service_version: ServiceVersion) -> Result<(), Error> {
+    httpret::host(node_config, service_version).await?;
     Ok(())
 }
 
-pub async fn run_proxy(proxy_config: ProxyConfig) -> Result<(), Error> {
-    httpret::proxy::proxy(proxy_config).await?;
+pub async fn run_proxy(proxy_config: ProxyConfig, service_version: ServiceVersion) -> Result<(), Error> {
+    httpret::proxy::proxy(proxy_config, service_version).await?;
     Ok(())
 }
diff --git a/crates/daqbufp2/src/test/timeweightedjson.rs b/crates/daqbufp2/src/test/timeweightedjson.rs
index c5fca81..48f1dd5 100644
--- a/crates/daqbufp2/src/test/timeweightedjson.rs
+++ b/crates/daqbufp2/src/test/timeweightedjson.rs
@@ -76,9 +76,9 @@ async fn get_json_common(
         if expect_finalised_range {
             if !res
                 .get("rangeFinal")
-                .ok_or(Error::with_msg("missing rangeFinal"))?
+                .ok_or_else(|| Error::with_msg("missing rangeFinal"))?
                 .as_bool()
-                .ok_or(Error::with_msg("key rangeFinal not bool"))?
+                .ok_or_else(|| Error::with_msg("key rangeFinal not bool"))?
             {
                 return Err(Error::with_msg("expected rangeFinal"));
             }
diff --git a/crates/httpclient/Cargo.toml b/crates/httpclient/Cargo.toml
index 9d84bdc..024a627 100644
--- a/crates/httpclient/Cargo.toml
+++ b/crates/httpclient/Cargo.toml
@@ -8,7 +8,6 @@ edition = "2021"
 futures-util = "0.3.25"
 serde = { version = "1.0.147", features = ["derive"] }
 serde_json = "1.0.89"
-rmp-serde = "1.1.1"
 http = "0.2.8"
 url = "2.3.1"
 tokio = { version = "1.22.0", features = ["rt-multi-thread", "io-util", "net", "time", "sync", "fs"] }
diff --git a/crates/httpret/src/api1.rs b/crates/httpret/src/api1.rs
index 66bc380..fe0e799 100644
--- a/crates/httpret/src/api1.rs
+++ b/crates/httpret/src/api1.rs
@@ -995,7 +995,7 @@ impl Api1EventsBinaryHandler {
             Ok(ret)
         } else {
             // TODO set the public error code and message and return Err(e).
-            let e = Error::with_public_msg(format!("{self_name}  unsupported Accept: {}", accept));
+            let e = Error::with_public_msg_no_trace(format!("{self_name}  unsupported Accept: {}", accept));
             error!("{self_name}  {e}");
             Ok(response(StatusCode::NOT_ACCEPTABLE).body(Body::empty())?)
         }
@@ -1030,7 +1030,7 @@ impl RequestStatusHandler {
             .to_owned();
         if accept != APP_JSON && accept != ACCEPT_ALL {
             // TODO set the public error code and message and return Err(e).
-            let e = Error::with_public_msg(format!("Unsupported Accept: {:?}", accept));
+            let e = Error::with_public_msg_no_trace(format!("Unsupported Accept: {:?}", accept));
             error!("{e}");
             return Ok(response(StatusCode::NOT_ACCEPTABLE).body(Body::empty())?);
         }
diff --git a/crates/httpret/src/api4/binned.rs b/crates/httpret/src/api4/binned.rs
index d91d1be..7feb272 100644
--- a/crates/httpret/src/api4/binned.rs
+++ b/crates/httpret/src/api4/binned.rs
@@ -12,9 +12,6 @@ use netpod::log::*;
 use netpod::timeunits::SEC;
 use netpod::FromUrl;
 use netpod::NodeConfigCached;
-use netpod::ACCEPT_ALL;
-use netpod::APP_JSON;
-use netpod::APP_OCTET;
 use query::api4::binned::BinnedQuery;
 use tracing::Instrument;
 use url::Url;
@@ -37,6 +34,7 @@ async fn binned_json(url: Url, req: Request<Body>, node_config: &NodeConfigCache
     let span1 = span!(
         Level::INFO,
         "httpret::binned",
+        reqid,
         beg = query.range().beg_u64() / SEC,
         end = query.range().end_u64() / SEC,
         ch = query.channel().name().clone(),
@@ -53,10 +51,6 @@ async fn binned_json(url: Url, req: Request<Body>, node_config: &NodeConfigCache
 }
 
 async fn binned(req: Request<Body>, node_config: &NodeConfigCached) -> Result<Response<Body>, Error> {
-    let accept = req
-        .headers()
-        .get(http::header::ACCEPT)
-        .map_or(ACCEPT_ALL, |k| k.to_str().unwrap_or(ACCEPT_ALL));
     let url = {
         let s1 = format!("dummy:{}", req.uri());
         Url::parse(&s1)
@@ -70,15 +64,18 @@ async fn binned(req: Request<Body>, node_config: &NodeConfigCached) -> Result<Re
     {
         Err(Error::with_msg_no_trace("hidden message").add_public_msg("PublicMessage"))?;
     }
-    if accept.contains(APP_JSON) || accept.contains(ACCEPT_ALL) {
+    if crate::accepts_json(&req.headers()) {
         Ok(binned_json(url, req, node_config).await?)
-    } else if accept == APP_OCTET {
+    } else if crate::accepts_octets(&req.headers()) {
         Ok(response_err(
             StatusCode::NOT_ACCEPTABLE,
             format!("binary binned data not yet available"),
         )?)
     } else {
-        let ret = response_err(StatusCode::NOT_ACCEPTABLE, format!("Unsupported Accept: {:?}", accept))?;
+        let ret = response_err(
+            StatusCode::NOT_ACCEPTABLE,
+            format!("Unsupported Accept: {:?}", req.headers()),
+        )?;
         Ok(ret)
     }
 }
diff --git a/crates/httpret/src/api4/status.rs b/crates/httpret/src/api4/status.rs
index a17d1fa..734801a 100644
--- a/crates/httpret/src/api4/status.rs
+++ b/crates/httpret/src/api4/status.rs
@@ -9,6 +9,7 @@ use netpod::log::*;
 use netpod::NodeConfigCached;
 use netpod::NodeStatus;
 use netpod::NodeStatusArchiverAppliance;
+use netpod::ServiceVersion;
 use netpod::TableSizes;
 use std::collections::VecDeque;
 use std::time::Duration;
@@ -39,8 +40,13 @@ impl StatusNodesRecursive {
         req: Request<Body>,
         ctx: &ReqCtx,
         node_config: &NodeConfigCached,
+        service_version: &ServiceVersion,
     ) -> Result<Response<Body>, Error> {
-        let res = tokio::time::timeout(Duration::from_millis(1200), self.status(req, ctx, node_config)).await;
+        let res = tokio::time::timeout(
+            Duration::from_millis(1200),
+            self.status(req, ctx, node_config, service_version),
+        )
+        .await;
         let res = match res {
             Ok(res) => res,
             Err(e) => {
@@ -67,6 +73,7 @@ impl StatusNodesRecursive {
         req: Request<Body>,
         _ctx: &ReqCtx,
         node_config: &NodeConfigCached,
+        service_version: &ServiceVersion,
     ) -> Result<NodeStatus, Error> {
         let (_head, _body) = req.into_parts();
         let archiver_appliance_status = match node_config.node.archiver_appliance.as_ref() {
@@ -96,7 +103,7 @@ impl StatusNodesRecursive {
         let database_size = dbconn::database_size(node_config).await.map_err(|e| format!("{e}"));
         let ret = NodeStatus {
             name: format!("{}:{}", node_config.node.host, node_config.node.port),
-            version: core::env!("CARGO_PKG_VERSION").into(),
+            version: service_version.to_string(),
             is_sf_databuffer: node_config.node.sf_databuffer.is_some(),
             is_archiver_engine: node_config.node.channel_archiver.is_some(),
             is_archiver_appliance: node_config.node.archiver_appliance.is_some(),
diff --git a/crates/httpret/src/httpret.rs b/crates/httpret/src/httpret.rs
index 876856b..8b82824 100644
--- a/crates/httpret/src/httpret.rs
+++ b/crates/httpret/src/httpret.rs
@@ -37,6 +37,7 @@ use netpod::query::prebinned::PreBinnedQuery;
 use netpod::CmpZero;
 use netpod::NodeConfigCached;
 use netpod::ProxyConfig;
+use netpod::ServiceVersion;
 use netpod::APP_JSON;
 use netpod::APP_JSON_LINES;
 use nodenet::conn::events_service;
@@ -100,7 +101,27 @@ impl ::err::ToErr for RetrievalError {
     }
 }
 
-pub async fn host(node_config: NodeConfigCached) -> Result<(), RetrievalError> {
+pub fn accepts_json(hm: &http::HeaderMap) -> bool {
+    match hm.get(http::header::ACCEPT) {
+        Some(x) => match x.to_str() {
+            Ok(x) => x.contains(netpod::APP_JSON) || x.contains(netpod::ACCEPT_ALL),
+            Err(_) => false,
+        },
+        None => false,
+    }
+}
+
+pub fn accepts_octets(hm: &http::HeaderMap) -> bool {
+    match hm.get(http::header::ACCEPT) {
+        Some(x) => match x.to_str() {
+            Ok(x) => x.contains(netpod::APP_OCTET),
+            Err(_) => false,
+        },
+        None => false,
+    }
+}
+
+pub async fn host(node_config: NodeConfigCached, service_version: ServiceVersion) -> Result<(), RetrievalError> {
     static STATUS_BOARD_INIT: Once = Once::new();
     STATUS_BOARD_INIT.call_once(|| {
         let b = StatusBoard::new();
@@ -124,6 +145,7 @@ pub async fn host(node_config: NodeConfigCached) -> Result<(), RetrievalError> {
             debug!("new connection from {:?}", conn.remote_addr());
             let node_config = node_config.clone();
             let addr = conn.remote_addr();
+            let service_version = service_version.clone();
             async move {
                 Ok::<_, Error>(service_fn({
                     move |req| {
@@ -135,7 +157,7 @@ pub async fn host(node_config: NodeConfigCached) -> Result<(), RetrievalError> {
                             req.uri(),
                             req.headers()
                         );
-                        let f = http_service(req, node_config.clone());
+                        let f = http_service(req, node_config.clone(), service_version.clone());
                         Cont { f: Box::pin(f) }
                     }
                 }))
@@ -150,8 +172,12 @@ pub async fn host(node_config: NodeConfigCached) -> Result<(), RetrievalError> {
     Ok(())
 }
 
-async fn http_service(req: Request<Body>, node_config: NodeConfigCached) -> Result<Response<Body>, Error> {
-    match http_service_try(req, &node_config).await {
+async fn http_service(
+    req: Request<Body>,
+    node_config: NodeConfigCached,
+    service_version: ServiceVersion,
+) -> Result<Response<Body>, Error> {
+    match http_service_try(req, &node_config, &service_version).await {
         Ok(k) => Ok(k),
         Err(e) => {
             error!("daqbuffer node http_service sees error: {}", e);
@@ -286,7 +312,11 @@ macro_rules! static_http_api1 {
     };
 }
 
-async fn http_service_try(req: Request<Body>, node_config: &NodeConfigCached) -> Result<Response<Body>, Error> {
+async fn http_service_try(
+    req: Request<Body>,
+    node_config: &NodeConfigCached,
+    service_version: &ServiceVersion,
+) -> Result<Response<Body>, Error> {
     use http::HeaderValue;
     let mut urlmarks = Vec::new();
     urlmarks.push(format!("{}:{}", req.method(), req.uri()));
@@ -297,7 +327,7 @@ async fn http_service_try(req: Request<Body>, node_config: &NodeConfigCached) ->
         }
     }
     let ctx = ReqCtx::with_node(&req, node_config);
-    let mut res = http_service_inner(req, &ctx, node_config).await?;
+    let mut res = http_service_inner(req, &ctx, node_config, service_version).await?;
     let hm = res.headers_mut();
     hm.append("Access-Control-Allow-Origin", "*".parse().unwrap());
     hm.append("Access-Control-Allow-Headers", "*".parse().unwrap());
@@ -316,19 +346,17 @@ async fn http_service_inner(
     req: Request<Body>,
     ctx: &ReqCtx,
     node_config: &NodeConfigCached,
+    service_version: &ServiceVersion,
 ) -> Result<Response<Body>, RetrievalError> {
     let uri = req.uri().clone();
     let path = uri.path();
     if path == "/api/4/private/version" {
         if req.method() == Method::GET {
-            let ver_maj: u32 = std::env!("CARGO_PKG_VERSION_MAJOR").parse().unwrap_or(0);
-            let ver_min: u32 = std::env!("CARGO_PKG_VERSION_MINOR").parse().unwrap_or(0);
-            let ver_pat: u32 = std::env!("CARGO_PKG_VERSION_PATCH").parse().unwrap_or(0);
             let ret = serde_json::json!({
                 "daqbuf_version": {
-                    "major": ver_maj,
-                    "minor": ver_min,
-                    "patch": ver_pat,
+                    "major": service_version.major,
+                    "minor": service_version.minor,
+                    "patch": service_version.patch,
                 },
             });
             Ok(response(StatusCode::OK).body(Body::from(serde_json::to_vec(&ret)?))?)
@@ -355,7 +383,7 @@ async fn http_service_inner(
             Ok(response(StatusCode::METHOD_NOT_ALLOWED).body(Body::empty())?)
         }
     } else if let Some(h) = api4::status::StatusNodesRecursive::handler(&req) {
-        Ok(h.handle(req, ctx, &node_config).await?)
+        Ok(h.handle(req, ctx, &node_config, service_version).await?)
     } else if let Some(h) = StatusBoardAllHandler::handler(&req) {
         h.handle(req, &node_config).await
     } else if let Some(h) = api4::databuffer_tools::FindActiveHandler::handler(&req) {
diff --git a/crates/httpret/src/proxy.rs b/crates/httpret/src/proxy.rs
index 5630187..e7faf8f 100644
--- a/crates/httpret/src/proxy.rs
+++ b/crates/httpret/src/proxy.rs
@@ -37,6 +37,7 @@ use netpod::FromUrl;
 use netpod::HasBackend;
 use netpod::HasTimeout;
 use netpod::ProxyConfig;
+use netpod::ServiceVersion;
 use netpod::ACCEPT_ALL;
 use netpod::APP_JSON;
 use query::api4::binned::BinnedQuery;
@@ -57,12 +58,13 @@ use url::Url;
 
 const DISTRI_PRE: &str = "/distri/";
 
-pub async fn proxy(proxy_config: ProxyConfig) -> Result<(), Error> {
+pub async fn proxy(proxy_config: ProxyConfig, service_version: ServiceVersion) -> Result<(), Error> {
     use std::str::FromStr;
     let addr = SocketAddr::from_str(&format!("{}:{}", proxy_config.listen, proxy_config.port))?;
     let make_service = make_service_fn({
         move |_conn| {
             let proxy_config = proxy_config.clone();
+            let service_version = service_version.clone();
             async move {
                 Ok::<_, Error>(service_fn({
                     move |req| {
@@ -73,7 +75,7 @@ pub async fn proxy(proxy_config: ProxyConfig) -> Result<(), Error> {
                             req.uri(),
                             req.headers()
                         );
-                        let f = proxy_http_service(req, proxy_config.clone());
+                        let f = proxy_http_service(req, proxy_config.clone(), service_version.clone());
                         Cont { f: Box::pin(f) }
                     }
                 }))
@@ -84,8 +86,12 @@ pub async fn proxy(proxy_config: ProxyConfig) -> Result<(), Error> {
     Ok(())
 }
 
-async fn proxy_http_service(req: Request<Body>, proxy_config: ProxyConfig) -> Result<Response<Body>, Error> {
-    match proxy_http_service_try(req, &proxy_config).await {
+async fn proxy_http_service(
+    req: Request<Body>,
+    proxy_config: ProxyConfig,
+    service_version: ServiceVersion,
+) -> Result<Response<Body>, Error> {
+    match proxy_http_service_try(req, &proxy_config, &service_version).await {
         Ok(k) => Ok(k),
         Err(e) => {
             error!("data_api_proxy sees error: {:?}", e);
@@ -94,9 +100,13 @@ async fn proxy_http_service(req: Request<Body>, proxy_config: ProxyConfig) -> Re
     }
 }
 
-async fn proxy_http_service_try(req: Request<Body>, proxy_config: &ProxyConfig) -> Result<Response<Body>, Error> {
+async fn proxy_http_service_try(
+    req: Request<Body>,
+    proxy_config: &ProxyConfig,
+    service_version: &ServiceVersion,
+) -> Result<Response<Body>, Error> {
     let ctx = ReqCtx::with_proxy(&req, proxy_config);
-    let mut res = proxy_http_service_inner(req, &ctx, proxy_config).await?;
+    let mut res = proxy_http_service_inner(req, &ctx, proxy_config, &service_version).await?;
     let hm = res.headers_mut();
     hm.insert("Access-Control-Allow-Origin", "*".parse().unwrap());
     hm.insert("Access-Control-Allow-Headers", "*".parse().unwrap());
@@ -111,6 +121,7 @@ async fn proxy_http_service_inner(
     req: Request<Body>,
     ctx: &ReqCtx,
     proxy_config: &ProxyConfig,
+    service_version: &ServiceVersion,
 ) -> Result<Response<Body>, Error> {
     let uri = req.uri().clone();
     let path = uri.path();
@@ -122,14 +133,11 @@ async fn proxy_http_service_inner(
         Ok(gather_json_2_v1(req, "/api/1/gather/", proxy_config).await?)
     } else if path == "/api/4/private/version" {
         if req.method() == Method::GET {
-            let ver_maj: u32 = std::env!("CARGO_PKG_VERSION_MAJOR").parse().unwrap_or(0);
-            let ver_min: u32 = std::env!("CARGO_PKG_VERSION_MINOR").parse().unwrap_or(0);
-            let ver_pat: u32 = std::env!("CARGO_PKG_VERSION_PATCH").parse().unwrap_or(0);
             let ret = serde_json::json!({
                 "daqbuf_version": {
-                    "major": ver_maj,
-                    "minor": ver_min,
-                    "patch": ver_pat,
+                    "major": service_version.major,
+                    "minor": service_version.minor,
+                    "patch": service_version.patch,
                 },
             });
             Ok(response(StatusCode::OK).body(Body::from(serde_json::to_vec(&ret)?))?)
@@ -137,7 +145,7 @@ async fn proxy_http_service_inner(
             Ok(response(StatusCode::METHOD_NOT_ALLOWED).body(Body::empty())?)
         }
     } else if let Some(h) = api4::StatusNodesRecursive::handler(&req) {
-        h.handle(req, ctx, &proxy_config).await
+        h.handle(req, ctx, &proxy_config, service_version).await
     } else if path == "/api/4/backends" {
         Ok(backends(req, proxy_config).await?)
     } else if let Some(h) = api4::ChannelSearchAggHandler::handler(&req) {
diff --git a/crates/httpret/src/proxy/api1/reqstatus.rs b/crates/httpret/src/proxy/api1/reqstatus.rs
index b365793..c891905 100644
--- a/crates/httpret/src/proxy/api1/reqstatus.rs
+++ b/crates/httpret/src/proxy/api1/reqstatus.rs
@@ -39,7 +39,7 @@ impl RequestStatusHandler {
             .to_owned();
         if accept != APP_JSON && accept != ACCEPT_ALL {
             // TODO set the public error code and message and return Err(e).
-            let e = Error::with_public_msg(format!("Unsupported Accept: {:?}", accept));
+            let e = Error::with_public_msg_no_trace(format!("Unsupported Accept: {:?}", accept));
             error!("{e}");
             return Ok(response(StatusCode::NOT_ACCEPTABLE).body(Body::empty())?);
         }
diff --git a/crates/httpret/src/proxy/api4.rs b/crates/httpret/src/proxy/api4.rs
index 4a5a3be..a48a214 100644
--- a/crates/httpret/src/proxy/api4.rs
+++ b/crates/httpret/src/proxy/api4.rs
@@ -19,6 +19,7 @@ use netpod::ChannelSearchResult;
 use netpod::NodeStatus;
 use netpod::NodeStatusSub;
 use netpod::ProxyConfig;
+use netpod::ServiceVersion;
 use netpod::ACCEPT_ALL;
 use netpod::APP_JSON;
 use serde_json::Value as JsVal;
@@ -162,9 +163,10 @@ impl StatusNodesRecursive {
         &self,
         req: Request<Body>,
         ctx: &ReqCtx,
-        node_config: &ProxyConfig,
+        proxy_config: &ProxyConfig,
+        service_version: &ServiceVersion,
     ) -> Result<Response<Body>, Error> {
-        match self.status(req, ctx, node_config).await {
+        match self.status(req, ctx, proxy_config, service_version).await {
             Ok(status) => {
                 let body = serde_json::to_vec(&status)?;
                 let ret = response(StatusCode::OK).body(Body::from(body))?;
@@ -183,6 +185,7 @@ impl StatusNodesRecursive {
         _req: Request<Body>,
         _ctx: &ReqCtx,
         proxy_config: &ProxyConfig,
+        service_version: &ServiceVersion,
     ) -> Result<NodeStatus, Error> {
         let path = crate::api4::status::StatusNodesRecursive::path();
         let mut bodies = Vec::new();
@@ -243,7 +246,7 @@ impl StatusNodesRecursive {
             }
             let ret = NodeStatus {
                 name: format!("{}:{}", proxy_config.name, proxy_config.port),
-                version: core::env!("CARGO_PKG_VERSION").into(),
+                version: service_version.to_string(),
                 is_sf_databuffer: false,
                 is_archiver_engine: false,
                 is_archiver_appliance: false,
diff --git a/crates/httpret/src/pulsemap.rs b/crates/httpret/src/pulsemap.rs
index aa39bcf..e6c2b17 100644
--- a/crates/httpret/src/pulsemap.rs
+++ b/crates/httpret/src/pulsemap.rs
@@ -881,9 +881,11 @@ impl FromUrl for MapPulseQuery {
     fn from_url(url: &url::Url) -> Result<Self, err::Error> {
         let mut pit = url
             .path_segments()
-            .ok_or(Error::with_msg_no_trace("no path in url"))?
+            .ok_or_else(|| Error::with_msg_no_trace("no path in url"))?
             .rev();
-        let pulsestr = pit.next().ok_or(Error::with_msg_no_trace("no pulse in url path"))?;
+        let pulsestr = pit
+            .next()
+            .ok_or_else(|| Error::with_msg_no_trace("no pulse in url path"))?;
         let backend = pit.next().unwrap_or("sf-databuffer").into();
         // TODO legacy: use a default backend if not specified.
         let backend = if backend == "pulse" {
diff --git a/crates/httpret/src/settings.rs b/crates/httpret/src/settings.rs
index 3b42ccc..c9dbac1 100644
--- a/crates/httpret/src/settings.rs
+++ b/crates/httpret/src/settings.rs
@@ -35,7 +35,7 @@ impl SettingsThreadsMaxHandler {
             .to_owned();
         if accept != APP_JSON && accept != ACCEPT_ALL {
             // TODO set the public error code and message and return Err(e).
-            let e = Error::with_public_msg(format!("Unsupported Accept: {:?}", accept));
+            let e = Error::with_public_msg_no_trace(format!("Unsupported Accept: {:?}", accept));
             error!("{e}");
             return Ok(response(StatusCode::NOT_ACCEPTABLE).body(Body::empty())?);
         }
diff --git a/crates/items_0/src/items_0.rs b/crates/items_0/src/items_0.rs
index 7fc5297..3b33fd5 100644
--- a/crates/items_0/src/items_0.rs
+++ b/crates/items_0/src/items_0.rs
@@ -91,7 +91,13 @@ pub enum MergeError {
 
 impl From<MergeError> for err::Error {
     fn from(e: MergeError) -> Self {
-        format!("{e:?}").into()
+        e.to_string().into()
+    }
+}
+
+impl fmt::Display for MergeError {
+    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+        write!(fmt, "{:?}", self)
     }
 }
 
diff --git a/crates/items_2/Cargo.toml b/crates/items_2/Cargo.toml
index 07bcf1c..4dbd349 100644
--- a/crates/items_2/Cargo.toml
+++ b/crates/items_2/Cargo.toml
@@ -12,6 +12,8 @@ doctest = false
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 serde_cbor = "0.11.2"
+rmp-serde = "1.1.1"
+postcard = { version = "1.0.0", features = ["use-std"] }
 erased-serde = "0.3"
 bytes = "1.2.1"
 num-traits = "0.2.15"
@@ -20,7 +22,6 @@ crc32fast = "1.3.2"
 futures-util = "0.3.24"
 tokio = { version = "1.20", features = ["rt-multi-thread", "sync", "time"] }
 humantime-serde = "1.1.1"
-rmp-serde = "1.1.1"
 err = { path = "../err" }
 items_0 = { path = "../items_0" }
 items_proc = { path = "../items_proc" }
diff --git a/crates/items_2/src/channelevents.rs b/crates/items_2/src/channelevents.rs
index 6fa9ff6..3229978 100644
--- a/crates/items_2/src/channelevents.rs
+++ b/crates/items_2/src/channelevents.rs
@@ -202,52 +202,63 @@ mod serde_channel_events {
         where
             A: de::SeqAccess<'de>,
         {
-            let e0: &str = seq.next_element()?.ok_or(de::Error::missing_field("[0] cty"))?;
-            let e1: u32 = seq.next_element()?.ok_or(de::Error::missing_field("[1] nty"))?;
+            let e0: &str = seq.next_element()?.ok_or_else(|| de::Error::missing_field("[0] cty"))?;
+            let e1: u32 = seq.next_element()?.ok_or_else(|| de::Error::missing_field("[1] nty"))?;
             if e0 == EventsDim0::<u8>::serde_id() {
                 match e1 {
                     u8::SUB => {
-                        let obj: EventsDim0<u8> = seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                        let obj: EventsDim0<u8> =
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     u16::SUB => {
-                        let obj: EventsDim0<u16> = seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                        let obj: EventsDim0<u16> =
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     u32::SUB => {
-                        let obj: EventsDim0<u32> = seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                        let obj: EventsDim0<u32> =
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     u64::SUB => {
-                        let obj: EventsDim0<u64> = seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                        let obj: EventsDim0<u64> =
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     i8::SUB => {
-                        let obj: EventsDim0<i8> = seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                        let obj: EventsDim0<i8> =
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     i16::SUB => {
-                        let obj: EventsDim0<i16> = seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                        let obj: EventsDim0<i16> =
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     i32::SUB => {
-                        let obj: EventsDim0<i32> = seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                        let obj: EventsDim0<i32> =
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     i64::SUB => {
-                        let obj: EventsDim0<i64> = seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                        let obj: EventsDim0<i64> =
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     f32::SUB => {
-                        let obj: EventsDim0<f32> = seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                        let obj: EventsDim0<f32> =
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     f64::SUB => {
-                        let obj: EventsDim0<f64> = seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                        let obj: EventsDim0<f64> =
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     bool::SUB => {
-                        let obj: EventsDim0<bool> = seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                        let obj: EventsDim0<bool> =
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     _ => Err(de::Error::custom(&format!("unknown nty {e1}"))),
@@ -255,15 +266,18 @@ mod serde_channel_events {
             } else if e0 == EventsDim1::<u8>::serde_id() {
                 match e1 {
                     f32::SUB => {
-                        let obj: EventsDim1<f32> = seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                        let obj: EventsDim1<f32> =
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     f64::SUB => {
-                        let obj: EventsDim1<f64> = seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                        let obj: EventsDim1<f64> =
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     bool::SUB => {
-                        let obj: EventsDim1<bool> = seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                        let obj: EventsDim1<bool> =
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     _ => Err(de::Error::custom(&format!("unknown nty {e1}"))),
@@ -272,17 +286,17 @@ mod serde_channel_events {
                 match e1 {
                     f32::SUB => {
                         let obj: EventsXbinDim0<f32> =
-                            seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     f64::SUB => {
                         let obj: EventsXbinDim0<f64> =
-                            seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     bool::SUB => {
                         let obj: EventsXbinDim0<bool> =
-                            seq.next_element()?.ok_or(de::Error::missing_field("[2] obj"))?;
+                            seq.next_element()?.ok_or_else(|| de::Error::missing_field("[2] obj"))?;
                         Ok(EvBox(Box::new(obj)))
                     }
                     _ => Err(de::Error::custom(&format!("unknown nty {e1}"))),
diff --git a/crates/items_2/src/frame.rs b/crates/items_2/src/frame.rs
index 5ebe4e3..aef00dd 100644
--- a/crates/items_2/src/frame.rs
+++ b/crates/items_2/src/frame.rs
@@ -1,5 +1,6 @@
 use crate::framable::FrameDecodable;
 use crate::framable::INMEM_FRAME_ENCID;
+use crate::framable::INMEM_FRAME_FOOT;
 use crate::framable::INMEM_FRAME_HEAD;
 use crate::framable::INMEM_FRAME_MAGIC;
 use crate::inmem::InMemoryFrame;
@@ -112,25 +113,57 @@ where
     rmp_serde::from_slice(buf).map_err(|e| format!("{e}").into())
 }
 
+pub fn postcard_to_vec<T>(item: T) -> Result<Vec<u8>, Error>
+where
+    T: Serialize,
+{
+    postcard::to_stdvec(&item).map_err(|e| format!("{e}").into())
+}
+
+pub fn postcard_erased_to_vec<T>(item: T) -> Result<Vec<u8>, Error>
+where
+    T: erased_serde::Serialize,
+{
+    use postcard::ser_flavors::Flavor;
+    let mut ser1 = postcard::Serializer {
+        output: postcard::ser_flavors::AllocVec::new(),
+    };
+    let mut ser2 = <dyn erased_serde::Serializer>::erase(&mut ser1);
+    item.erased_serialize(&mut ser2)
+        .map_err(|e| Error::from(format!("{e}")))?;
+    let ret = ser1.output.finalize().map_err(|e| format!("{e}").into());
+    ret
+}
+
+pub fn postcard_from_slice<T>(buf: &[u8]) -> Result<T, Error>
+where
+    T: for<'de> serde::Deserialize<'de>,
+{
+    postcard::from_bytes(buf).map_err(|e| format!("{e}").into())
+}
+
 pub fn encode_to_vec<T>(item: T) -> Result<Vec<u8>, Error>
 where
     T: Serialize,
 {
-    msgpack_to_vec(item)
+    // msgpack_to_vec(item)
+    postcard_to_vec(item)
 }
 
 pub fn encode_erased_to_vec<T>(item: T) -> Result<Vec<u8>, Error>
 where
     T: erased_serde::Serialize,
 {
-    msgpack_erased_to_vec(item)
+    // msgpack_erased_to_vec(item)
+    postcard_erased_to_vec(item)
 }
 
 pub fn decode_from_slice<T>(buf: &[u8]) -> Result<T, Error>
 where
     T: for<'de> serde::Deserialize<'de>,
 {
-    msgpack_from_slice(buf)
+    // msgpack_from_slice(buf)
+    postcard_from_slice(buf)
 }
 
 pub fn make_frame_2<T>(item: T, fty: u32) -> Result<BytesMut, Error>
@@ -145,7 +178,7 @@ where
     h.update(&enc);
     let payload_crc = h.finalize();
     // TODO reserve also for footer via constant
-    let mut buf = BytesMut::with_capacity(enc.len() + INMEM_FRAME_HEAD);
+    let mut buf = BytesMut::with_capacity(INMEM_FRAME_HEAD + INMEM_FRAME_FOOT + enc.len());
     buf.put_u32_le(INMEM_FRAME_MAGIC);
     buf.put_u32_le(INMEM_FRAME_ENCID);
     buf.put_u32_le(fty);
@@ -168,7 +201,7 @@ pub fn make_error_frame(error: &err::Error) -> Result<BytesMut, Error> {
             let mut h = crc32fast::Hasher::new();
             h.update(&enc);
             let payload_crc = h.finalize();
-            let mut buf = BytesMut::with_capacity(INMEM_FRAME_HEAD);
+            let mut buf = BytesMut::with_capacity(INMEM_FRAME_HEAD + INMEM_FRAME_FOOT + enc.len());
             buf.put_u32_le(INMEM_FRAME_MAGIC);
             buf.put_u32_le(INMEM_FRAME_ENCID);
             buf.put_u32_le(ERROR_FRAME_TYPE_ID);
@@ -191,7 +224,7 @@ pub fn make_log_frame(item: &LogItem) -> Result<BytesMut, Error> {
             let mut h = crc32fast::Hasher::new();
             h.update(&enc);
             let payload_crc = h.finalize();
-            let mut buf = BytesMut::with_capacity(INMEM_FRAME_HEAD);
+            let mut buf = BytesMut::with_capacity(INMEM_FRAME_HEAD + INMEM_FRAME_FOOT + enc.len());
             buf.put_u32_le(INMEM_FRAME_MAGIC);
             buf.put_u32_le(INMEM_FRAME_ENCID);
             buf.put_u32_le(LOG_FRAME_TYPE_ID);
@@ -214,7 +247,7 @@ pub fn make_stats_frame(item: &StatsItem) -> Result<BytesMut, Error> {
             let mut h = crc32fast::Hasher::new();
             h.update(&enc);
             let payload_crc = h.finalize();
-            let mut buf = BytesMut::with_capacity(INMEM_FRAME_HEAD);
+            let mut buf = BytesMut::with_capacity(INMEM_FRAME_HEAD + INMEM_FRAME_FOOT + enc.len());
             buf.put_u32_le(INMEM_FRAME_MAGIC);
             buf.put_u32_le(INMEM_FRAME_ENCID);
             buf.put_u32_le(STATS_FRAME_TYPE_ID);
@@ -236,7 +269,7 @@ pub fn make_range_complete_frame() -> Result<BytesMut, Error> {
     let mut h = crc32fast::Hasher::new();
     h.update(&enc);
     let payload_crc = h.finalize();
-    let mut buf = BytesMut::with_capacity(INMEM_FRAME_HEAD);
+    let mut buf = BytesMut::with_capacity(INMEM_FRAME_HEAD + INMEM_FRAME_FOOT + enc.len());
     buf.put_u32_le(INMEM_FRAME_MAGIC);
     buf.put_u32_le(INMEM_FRAME_ENCID);
     buf.put_u32_le(RANGE_COMPLETE_FRAME_TYPE_ID);
@@ -255,7 +288,7 @@ pub fn make_term_frame() -> Result<BytesMut, Error> {
     let mut h = crc32fast::Hasher::new();
     h.update(&enc);
     let payload_crc = h.finalize();
-    let mut buf = BytesMut::with_capacity(INMEM_FRAME_HEAD);
+    let mut buf = BytesMut::with_capacity(INMEM_FRAME_HEAD + INMEM_FRAME_FOOT + enc.len());
     buf.put_u32_le(INMEM_FRAME_MAGIC);
     buf.put_u32_le(INMEM_FRAME_ENCID);
     buf.put_u32_le(TERM_FRAME_TYPE_ID);
diff --git a/crates/netpod/src/netpod.rs b/crates/netpod/src/netpod.rs
index abef033..f1fb0d9 100644
--- a/crates/netpod/src/netpod.rs
+++ b/crates/netpod/src/netpod.rs
@@ -562,6 +562,23 @@ impl NodeConfig {
     }
 }
 
+#[derive(Clone, Debug)]
+pub struct ServiceVersion {
+    pub major: u32,
+    pub minor: u32,
+    pub patch: u32,
+    pub pre: Option<String>,
+}
+
+impl fmt::Display for ServiceVersion {
+    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+        match &self.pre {
+            Some(pre) => write!(fmt, "{}.{}.{}-{}", self.major, self.minor, self.patch, pre),
+            None => write!(fmt, "{}.{}.{}", self.major, self.minor, self.patch),
+        }
+    }
+}
+
 #[derive(Clone, Debug)]
 pub struct NodeConfigCached {
     pub node_config: NodeConfig,
@@ -679,11 +696,10 @@ impl FromUrl for SfDbChannel {
         let ret = SfDbChannel {
             backend: pairs
                 .get("backend")
-                .ok_or(Error::with_public_msg("missing backend"))?
+                .ok_or_else(|| Error::with_public_msg_no_trace("missing backend"))?
                 .into(),
             name: pairs
                 .get("channelName")
-                //.ok_or(Error::with_public_msg("missing channelName"))?
                 .map(String::from)
                 .unwrap_or(String::new())
                 .into(),
@@ -692,7 +708,7 @@ impl FromUrl for SfDbChannel {
                 .and_then(|x| x.parse::<u64>().map_or(None, |x| Some(x))),
         };
         if ret.name.is_empty() && ret.series.is_none() {
-            return Err(Error::with_public_msg(format!(
+            return Err(Error::with_public_msg_no_trace(format!(
                 "Missing one of channelName or seriesId parameters."
             )));
         }
@@ -764,11 +780,11 @@ impl FromUrl for DaqbufSeries {
         let ret = DaqbufSeries {
             series: pairs
                 .get("seriesId")
-                .ok_or_else(|| Error::with_public_msg("missing seriesId"))
+                .ok_or_else(|| Error::with_public_msg_no_trace("missing seriesId"))
                 .map(|x| x.parse::<u64>())??,
             backend: pairs
                 .get("backend")
-                .ok_or_else(|| Error::with_public_msg("missing backend"))?
+                .ok_or_else(|| Error::with_public_msg_no_trace("missing backend"))?
                 .into(),
             name: pairs
                 .get("channelName")
diff --git a/crates/netpod/src/query.rs b/crates/netpod/src/query.rs
index 7dbeae7..5d664a3 100644
--- a/crates/netpod/src/query.rs
+++ b/crates/netpod/src/query.rs
@@ -112,7 +112,7 @@ impl FromUrl for TimeRangeQuery {
             };
             Ok(ret)
         } else {
-            Err(Error::with_public_msg("missing date range"))
+            Err(Error::with_public_msg_no_trace("missing date range"))
         }
     }
 }
@@ -178,7 +178,7 @@ impl FromUrl for PulseRangeQuery {
             };
             Ok(ret)
         } else {
-            Err(Error::with_public_msg("missing pulse range"))
+            Err(Error::with_public_msg_no_trace("missing pulse range"))
         }
     }
 }
@@ -298,8 +298,12 @@ impl FromUrl for ChannelStateEventsQuery {
     }
 
     fn from_pairs(pairs: &BTreeMap<String, String>) -> Result<Self, Error> {
-        let beg_date = pairs.get("begDate").ok_or(Error::with_msg("missing begDate"))?;
-        let end_date = pairs.get("endDate").ok_or(Error::with_msg("missing endDate"))?;
+        let beg_date = pairs
+            .get("begDate")
+            .ok_or_else(|| Error::with_msg_no_trace("missing begDate"))?;
+        let end_date = pairs
+            .get("endDate")
+            .ok_or_else(|| Error::with_msg_no_trace("missing endDate"))?;
         let ret = Self {
             channel: SfDbChannel::from_pairs(&pairs)?,
             range: NanoRange {
diff --git a/crates/query/src/api4/binned.rs b/crates/query/src/api4/binned.rs
index d404167..aa3d10a 100644
--- a/crates/query/src/api4/binned.rs
+++ b/crates/query/src/api4/binned.rs
@@ -173,9 +173,9 @@ impl FromUrl for BinnedQuery {
             range,
             bin_count: pairs
                 .get("binCount")
-                .ok_or(Error::with_msg("missing binCount"))?
+                .ok_or_else(|| Error::with_msg_no_trace("missing binCount"))?
                 .parse()
-                .map_err(|e| Error::with_msg(format!("can not parse binCount {:?}", e)))?,
+                .map_err(|e| Error::with_msg_no_trace(format!("can not parse binCount {:?}", e)))?,
             transform: TransformQuery::from_pairs(pairs)?,
             cache_usage: CacheUsage::from_pairs(&pairs)?,
             buf_len_disk_io: pairs
diff --git a/crates/query/src/api4/events.rs b/crates/query/src/api4/events.rs
index 854e309..37b169b 100644
--- a/crates/query/src/api4/events.rs
+++ b/crates/query/src/api4/events.rs
@@ -221,12 +221,12 @@ impl FromUrl for PlainEventsQuery {
                 .get("doTestMainError")
                 .map_or("false", |k| k)
                 .parse()
-                .map_err(|e| Error::with_public_msg(format!("can not parse doTestMainError: {}", e)))?,
+                .map_err(|e| Error::with_public_msg_no_trace(format!("can not parse doTestMainError: {}", e)))?,
             do_test_stream_error: pairs
                 .get("doTestStreamError")
                 .map_or("false", |k| k)
                 .parse()
-                .map_err(|e| Error::with_public_msg(format!("can not parse doTestStreamError: {}", e)))?,
+                .map_err(|e| Error::with_public_msg_no_trace(format!("can not parse doTestStreamError: {}", e)))?,
             test_do_wasm: pairs
                 .get("testDoWasm")
                 .map(|x| x.parse::<bool>().ok())
diff --git a/crates/streams/src/rangefilter2.rs b/crates/streams/src/rangefilter2.rs
index dc5a6ae..69d78a9 100644
--- a/crates/streams/src/rangefilter2.rs
+++ b/crates/streams/src/rangefilter2.rs
@@ -45,7 +45,7 @@ where
 
     pub fn new(inp: S, range: NanoRange, one_before_range: bool) -> Self {
         trace!(
-            "{}::new  range: {:?}  one_before_range: {:?}",
+            "{}::new  range: {:?}  one_before_range {:?}",
             Self::type_name(),
             range,
             one_before_range
@@ -112,16 +112,18 @@ where
                     } else {
                         let mut dummy = item.new_empty();
                         item.drain_into(&mut dummy, (0, ilge - 1))
-                            .map_err(|e| format!("{e:?} unexpected MergeError while remove of items"))?;
+                            .map_err(|e| format!("{e} unexpected MergeError while remove of items"))?;
                         self.slot1 = None;
                         item
                     }
                 }
                 None => {
+                    // TODO keep stats about this case
+                    debug!("drain into to keep one before");
                     let n = item.len();
                     let mut keep = item.new_empty();
                     item.drain_into(&mut keep, (n.max(1) - 1, n))
-                        .map_err(|e| format!("{e:?} unexpected MergeError while remove of items"))?;
+                        .map_err(|e| format!("{e} unexpected MergeError while remove of items"))?;
                     self.slot1 = Some(keep);
                     item.new_empty()
                 }