Github user jerrypeng commented on a diff in the pull request:
https://github.com/apache/storm/pull/1934#discussion_r102381366
--- Diff: docs/cgroups_in_storm.md ---
@@ -43,13 +43,24 @@ group storm {
}
cpu {
}
+ memory {
+ }
+ cpuacct {
+ }
}
```
For a more detailed explanation of the format and configs for the
cgconfig.conf file, please visit:
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Resource_Management_Guide/ch-Using_Control_Groups.html#The_cgconfig.conf_File
+To let storm manage the cgroups for indavidual workers you need to make
sure that the resources you want to control are mounted under the same
directory as in the example above.
+If they are not in the same directory the supervisor will throw an
exception.
+
+The perm section needs to be configured so that the user the supervisor is
running as can modify the group.
+
+If run as user is enabled so the supervisor spawns other processes as the
user that launched the topology make sure that the permissions are such that
indavidual users have read access but not write access.
--- End diff --
perhaps more clean
if "run as user"is enabled so **that** the supervisor spawns other...
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