aboutsummaryrefslogtreecommitdiffstats
path: root/erts/doc
diff options
context:
space:
mode:
authorJohn Högberg <[email protected]>2018-03-23 13:15:08 +0100
committerJohn Högberg <[email protected]>2018-03-26 09:57:34 +0200
commitf278cee87dd7ef929a64b411b4e83c3d7028687a (patch)
treeffcd33cb7cbc01f15e1dedf76a682db393cc1425 /erts/doc
parent837cf1979852b439dd8fed555ad8c6cb10d9a794 (diff)
downloadotp-f278cee87dd7ef929a64b411b4e83c3d7028687a.tar.gz
otp-f278cee87dd7ef929a64b411b4e83c3d7028687a.tar.bz2
otp-f278cee87dd7ef929a64b411b4e83c3d7028687a.zip
Add +sbwt/+swt analogues for dirty schedulers
Sharing these settings for all schedulers can degrade performance, so it makes sense to be able to configure them separately. This also changes the default busy-wait time to "short" for both kinds of dirty schedulers.
Diffstat (limited to 'erts/doc')
-rw-r--r--erts/doc/src/erl.xml40
1 files changed, 40 insertions, 0 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml
index 00dec37590..5089d4e0ce 100644
--- a/erts/doc/src/erl.xml
+++ b/erts/doc/src/erl.xml
@@ -1155,6 +1155,26 @@
without prior notice.</p>
</note>
</item>
+ <tag><marker id="+sbwtdcpu"/>
+ <c>+sbwtdcpu none|very_short|short|medium|long|very_long</c></tag>
+ <item>
+ <p>As <seealso marker="+sbwt"><c>+sbwt</c></seealso> but affects
+ dirty CPU schedulers. Defaults to <c>short</c>.</p>
+ <note>
+ <p>This flag can be removed or changed at any time
+ without prior notice.</p>
+ </note>
+ </item>
+ <tag><marker id="+sbwtdio"/>
+ <c>+sbwtdio none|very_short|short|medium|long|very_long</c></tag>
+ <item>
+ <p>As <seealso marker="+sbwt"><c>+sbwt</c></seealso> but affects
+ dirty IO schedulers. Defaults to <c>short</c>.</p>
+ <note>
+ <p>This flag can be removed or changed at any time
+ without prior notice.</p>
+ </note>
+ </item>
<tag><marker id="+scl"/><c>+scl true|false</c></tag>
<item>
<p>Enables or disables scheduler compaction of load. By default
@@ -1420,6 +1440,26 @@
notice.</p>
</note>
</item>
+ <tag><marker id="+swtdcpu"/>
+ <c>+swtdcpu very_low|low|medium|high|very_high</c></tag>
+ <item>
+ <p>As <seealso marker="+swt"><c>+swt</c></seealso> but
+ affects dirty CPU schedulers. Defaults to <c>medium</c>.</p>
+ <note>
+ <p>This flag can be removed or changed at any time
+ without prior notice.</p>
+ </note>
+ </item>
+ <tag><marker id="+swtdio"/>
+ <c>+swtdio very_low|low|medium|high|very_high</c></tag>
+ <item>
+ <p>As <seealso marker="+swt"><c>+swt</c></seealso> but affects
+ dirty IO schedulers. Defaults to <c>medium</c>.</p>
+ <note>
+ <p>This flag can be removed or changed at any time
+ without prior notice.</p>
+ </note>
+ </item>
</taglist>
</item>
<tag><marker id="+t"/><c><![CDATA[+t size]]></c></tag>