Add local option for converting csv to parquet

This commit is contained in:
2025-11-17 16:07:36 +01:00
parent 0717931c6d
commit 5a52ca2fdd

View File

@@ -2,7 +2,9 @@ import argparse
import time
import gc
import dask
from dask.distributed import Client
import multiprocessing
import psutil
from dask.distributed import Client, LocalCluster
from dask_jobqueue import SLURMCluster
from dask import delayed
from sp2xr.io import process_sp2xr_file
@@ -11,7 +13,7 @@ from sp2xr.helpers import find_files, chunks
def main():
parser = argparse.ArgumentParser(
description="Batch convert SP2XR zip to parquet using Dask + SLURM"
description="Batch convert SP2XR zip to parquet using Dask (local or SLURM cluster)"
)
parser.add_argument(
"--source", required=True, help="Directory containing input zip/CSV files"
@@ -32,63 +34,107 @@ def main():
help="Number of files per batch (default: 100)",
)
parser.add_argument(
"--cores", type=int, default=64, help="Cores per job (default: 64)"
"--local",
action="store_true",
help="Use local Dask client (auto-detects resources) instead of SLURM cluster",
)
parser.add_argument(
"--memory", default="128GB", help="Memory per job (default: 128GB)"
"--cores",
type=int,
default=64,
help="Cores per SLURM job (ignored for --local, default: 64)",
)
parser.add_argument(
"--walltime", default=None, help="Walltime (default depends on partition)"
"--memory",
default="128GB",
help="Memory per SLURM job (ignored for --local, default: 128GB)",
)
parser.add_argument(
"--partition", default="daily", help="SLURM partition (default: daily)"
"--walltime",
default=None,
help="Walltime for SLURM (ignored for --local, default depends on partition)",
)
parser.add_argument(
"--partition",
default="daily",
help="SLURM partition (ignored for --local, default: daily)",
)
args = parser.parse_args()
if args.walltime is None:
if args.partition == "hourly":
args.walltime = "00:59:00"
elif args.partition == "daily":
args.walltime = "23:59:00"
elif args.partition == "general":
args.walltime = "7-00:00:00"
else:
args.walltime = "00:59:00"
# --- Setup SLURM cluster ---
# --- Setup cluster (local or SLURM) ---
start_time = time.time()
cluster = SLURMCluster(
cores=args.cores,
processes=args.cores,
memory=args.memory,
walltime=args.walltime,
job_extra_directives=[f"--partition={args.partition}"],
)
cluster.scale(1)
client = Client(cluster)
print(f"Dask dashboard: {client.dashboard_link}")
# --- Find files ---
files = find_files(args.source, args.filter)
print(f"Found {len(files)} files matching pattern '{args.filter}'")
if args.local:
# Local execution: auto-detect resources
total_cores = multiprocessing.cpu_count()
total_memory = psutil.virtual_memory().total # in bytes
memory_limit_bytes = int(total_memory * 0.8)
memory_limit = f"{memory_limit_bytes // (1024**3)}GB"
# --- Process in chunks ---
i = 0
for chunk in chunks(files, args.chunk):
print(f"Processing chunk {i+1} / {len(files)//args.chunk + 1}")
print("Running in LOCAL mode")
print(f"Auto-detected resources: {total_cores} cores, {memory_limit} memory")
tasks = [
delayed(process_sp2xr_file)(f, args.config, args.target) for f in chunk
]
dask.compute(*tasks)
cluster = LocalCluster(
n_workers=total_cores,
threads_per_worker=1,
memory_limit=memory_limit,
)
client = Client(cluster)
print(f"Dask dashboard: {client.dashboard_link}")
else:
# SLURM execution
if args.walltime is None:
if args.partition == "hourly":
args.walltime = "00:59:00"
elif args.partition == "daily":
args.walltime = "23:59:00"
elif args.partition == "general":
args.walltime = "7-00:00:00"
else:
args.walltime = "00:59:00"
gc.collect()
i += 1
print("Running in SLURM mode")
print(f"Resources: {args.cores} cores, {args.memory} memory")
print(f"Partition: {args.partition}, Walltime: {args.walltime}")
# --- Cleanup ---
client.close()
cluster.close()
print(f"✅ Finished in {(time.time() - start_time)/60:.2f} minutes")
cluster = SLURMCluster(
cores=args.cores,
processes=args.cores,
memory=args.memory,
walltime=args.walltime,
job_extra_directives=[f"--partition={args.partition}"],
)
cluster.scale(1)
client = Client(cluster)
print(f"Dask SLURM dashboard: {client.dashboard_link}")
try:
# --- Find files ---
files = find_files(args.source, args.filter)
print(f"Found {len(files)} files matching pattern '{args.filter}'")
if len(files) == 0:
print("No files found matching the filter pattern")
return
# --- Process in chunks ---
i = 0
total_chunks = (len(files) - 1) // args.chunk + 1
for chunk in chunks(files, args.chunk):
print(f"Processing chunk {i+1} / {total_chunks}")
tasks = [
delayed(process_sp2xr_file)(f, args.config, args.target) for f in chunk
]
dask.compute(*tasks)
gc.collect()
i += 1
print(f"Finished in {(time.time() - start_time)/60:.2f} minutes")
finally:
# --- Cleanup ---
print("Shutting down Dask cluster...")
client.close()
cluster.close()
if __name__ == "__main__":