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https://issues.apache.org/jira/browse/SOLR-11874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16365869#comment-16365869
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Walter Underwood commented on SOLR-11874:
-----------------------------------------
This is what we do for each new Amazon instance.
{{# Increase number of open files. must be run as root}}
{{sudo su -}}
{{echo }}{{'* hard nofile 500000'}} {{>> /etc/security/limits.conf}}
{{echo }}{{'* soft nofile 500000'}} {{>> /etc/security/limits.conf}}
{{echo }}{{'root hard nofile 500000'}} {{>> /etc/security/limits.conf}}
{{echo }}{{'root hard nofile 500000'}} {{>> /etc/security/limits.conf}}
{{echo }}{{'fs.file-max = 2097152'}} {{>> /etc/sysctl.conf}}
{{# set the processes/threads limit}}
{{sudo vi /etc/security/limits.d/}}{{20}}{{-nproc.conf}}
{{# * soft nproc }}{{122944}}
> Add ulimit recommendations to the "Taking Solr to Production" section in the
> ref guide
> --------------------------------------------------------------------------------------
>
> Key: SOLR-11874
> URL: https://issues.apache.org/jira/browse/SOLR-11874
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: documentation
> Reporter: Erick Erickson
> Assignee: Erick Erickson
> Priority: Minor
>
> Just noticed that we never mention appropriate ulimits in the ref guide
> except for one spot when talking about cfs files.
> Anyone who wants to pick this up feel free. Otherwise I'll get to this
> probably over the weekend.
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