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-rw-r--r--erts/doc/src/erl.xml13
1 files changed, 13 insertions, 0 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml
index f8f4d14436..5bde285311 100644
--- a/erts/doc/src/erl.xml
+++ b/erts/doc/src/erl.xml
@@ -851,6 +851,19 @@
</p>
</item>
<tag><marker id="+SDio"><c><![CDATA[+SDio IOSchedulers]]></c></marker></tag>
+ <item>
+ <p>Sets the number of dirty I/O scheduler threads to create when threading
+ support has been enabled. The valid range is 0-1024. By default, the number
+ of dirty I/O scheduler threads created is 10, same as the default number of
+ threads in the <seealso marker="#async_thread_pool_size">async thread pool
+ </seealso>.
+ </p>
+ <p>This option is ignored if the emulator doesn't have threading support
+ enabled. Currently, <em>this option is experimental</em> and is supported only
+ if the emulator was configured and built with support for dirty schedulers
+ enabled (it's disabled by default).
+ </p>
+ </item>
<tag><c><![CDATA[+sFlag Value]]></c></tag>
<item>
<p>Scheduling specific flags.</p>