diff options
Diffstat (limited to 'erts/doc/src/erl.xml')
| -rw-r--r-- | erts/doc/src/erl.xml | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml index dc58cdeb13..6f6eca2a0b 100644 --- a/erts/doc/src/erl.xml +++ b/erts/doc/src/erl.xml @@ -776,6 +776,10 @@ <p>Sets the number of IO poll threads to use when polling for I/O. The maximum number of poll threads allowed is 1024. The default is 1. </p> + <p>A good way to check if more IO poll threads are needed is to use + <seealso marker="runtime_tools:msacc">microstate accounting</seealso> + and see what the load of the IO poll thread is. If it is high it could + be a good idea to add more threads.</p> </item> <tag><marker id="+IOPp"/><c>+IOPp PollSetsPercentage</c></tag> <item> @@ -789,7 +793,7 @@ <item> <p>Similar to <seealso marker="#+IOt"><c>+IOt</c></seealso> but uses percentages to set the number of IO poll threads to create, based on - the number of schedulers configures. If both <c>+IOPt</c> and + the number of schedulers configured. If both <c>+IOPt</c> and <c>+IOt</c> are used, <c>+IOPt</c> is ignored. </p> </item> |