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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 edited comment on SOLR-11874 at 2/15/18 4:41 PM:
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This is what we do for each new Amazon instance. (Sorry, had to edit this three
times to get Jira to not corrupt the commands)
{code}
# 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
{code}
was (Author: wunder):
This is what we do for each new Amazon instance.
{{}}
{code:java}
# 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{code}
> 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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