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From "Shawn Heisey (JIRA)" <>
Subject [jira] [Commented] (SOLR-8145) bin/solr script oom_killer arg incorrect
Date Thu, 03 Mar 2016 00:31:18 GMT


Shawn Heisey commented on SOLR-8145:

bq. Are people running SolrCloud in production in foreground mode?

I think this is commonly used when users create a service for Windows, but there isn't an
OOM killer script for Windows.

I think that the only time somebody would run in foreground mode on *NIX is when they are
troubleshooting, mostly to see the console logging.  I think that running the OOM killer even
in foreground mode makes sense.

A separate question (probably requiring a new issue):  Regardless of foreground/background,
should there be an environment variable that can be set to disable the OOM killer?  Like foreground
mode, this would be for troubleshooting.

> bin/solr script oom_killer arg incorrect
> ----------------------------------------
>                 Key: SOLR-8145
>                 URL:
>             Project: Solr
>          Issue Type: Bug
>          Components: scripts and tools
>    Affects Versions: 5.2.1
>            Reporter: Nate Dire
>            Assignee: Timothy Potter
>            Priority: Minor
>             Fix For: 6.0
>         Attachments: SOLR-8145.patch, SOLR-8145.patch, SOLR-8145.patch
> I noticed the oom_killer script wasn't working in our 5.2 deployment.
> In the {{bin/solr}} script, the {{OnOutOfMemoryError}} option is being passed as an arg
to the jar rather than to the JVM.  I moved it ahead of {{-jar}} and verified it shows up
in the JVM args in the UI.
> {noformat}
>    # run Solr in the background
>     nohup "$JAVA" "${SOLR_START_OPTS[@]}" $SOLR_ADDL_ARGS -jar start.jar \
>     "-XX:OnOutOfMemoryError=$SOLR_TIP/bin/ $SOLR_PORT $SOLR_LOGS_DIR" "${SOLR_JETTY_CONFIG[@]}"
> {noformat}
> Also, I'm not sure what the {{SOLR_PORT}} and {{SOLR_LOGS_DIR}} args are doing--they
don't appear to be positional arguments to the jar.
> Attaching a patch against 5.2.

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