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From Tomás Fernández Löbbe (JIRA) <j...@apache.org>
Subject [jira] [Commented] (SOLR-11703) Solr Should Send Log Notifications if Ulimits are too low
Date Sat, 03 Feb 2018 19:19:00 GMT

    [ https://issues.apache.org/jira/browse/SOLR-11703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16351494#comment-16351494
] 

Tomás Fernández Löbbe commented on SOLR-11703:
----------------------------------------------

I agree Noble and David in SOLR-9560, I think this should be a warn and not a blocker. And
I like Jan's proposal to have a {{-prod}} option. Maybe also add a note about this in {{Taking
Solr to Production}} in the ref guide?

> Solr Should Send Log Notifications if Ulimits are too low
> ---------------------------------------------------------
>
>                 Key: SOLR-11703
>                 URL: https://issues.apache.org/jira/browse/SOLR-11703
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Kevin Cowan
>            Assignee: Erick Erickson
>            Priority: Major
>             Fix For: 7.3
>
>         Attachments: SOLR-11703.patch
>
>
> On most Linux instances, the default for 'open files' is set to something entirely too
low, E.g. 1024.   We have a large number of support tickets that wind up with us having the
client increase this number... programatically.  
>  It would make sense and save a great deal of support time if the solr startup script
checked these values, and either alter them, or at least alert the user to the fact that they
are set too low, which could cause trouble  I am associating just one of many tickets where
this is the result. 



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