document recommended value for PollPeriod

2019-08-08 14:54:20 +02:00
parent a6190c7ddf
commit a6b11bea0e
1 changed files with 3 additions and 0 deletions
--- a/docs/protocol.html
+++ b/docs/protocol.html
@ -390,6 +390,9 @@ what they influence.
  the moment.
  How many milliseconds to wait after last poll or last received
  input before polling again?
+  A good value is about half the time of the expected input period.
+  Longer values cause latency and shorter values may increase CPU
+  consumption.
  If not set the same value as for <code>ReplyTimeout</code> is
  used.
 </dd>