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| author | Lukas Larsson <[email protected]> | 2017-10-02 11:43:57 +0200 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2017-10-02 11:44:47 +0200 |
| commit | 6543f15a3b6d9c1f71ff30ea682d64d1c8c7a7dc (patch) | |
| tree | 442d70c3558daf726ebbe64583b8af8d8015aa33 /erts/doc/src/erl.xml | |
| parent | 0c6df1f92be6337efe4d7e3d1964063f9acf770f (diff) | |
| download | otp-6543f15a3b6d9c1f71ff30ea682d64d1c8c7a7dc.tar.gz otp-6543f15a3b6d9c1f71ff30ea682d64d1c8c7a7dc.tar.bz2 otp-6543f15a3b6d9c1f71ff30ea682d64d1c8c7a7dc.zip | |
erts: Update +IOt and msacc docs
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> |