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From "Mark Miller (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-3932) SolrCmdDistributorTest either takes 3 seconds or 3 minutes.
Date Thu, 11 Oct 2012 19:57:03 GMT

    [ https://issues.apache.org/jira/browse/SOLR-3932?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13474470#comment-13474470
] 

Mark Miller commented on SOLR-3932:
-----------------------------------

I'm not sure what the heck is on the other end of these socket read hangs - the stack trace
indicates it could only be jetty?

I've tried a variety of settings in both jetty and httpclient to how this changes - I did
find that if i drop max connections per host in http client to 2 or 3, I don't seem to see
the issue.

Also, only allowing like 2 httpclients to fire at a time (rather than the default of 8 per
host), seemed to make the issue go away or happen much less frequently.

Both options would seem to simply decrease the load...

I'm not sure what is up yet - I've also tried upgrading httpclient/components - but no luck.
                
> SolrCmdDistributorTest either takes 3 seconds or 3 minutes.
> -----------------------------------------------------------
>
>                 Key: SOLR-3932
>                 URL: https://issues.apache.org/jira/browse/SOLR-3932
>             Project: Solr
>          Issue Type: Bug
>          Components: SolrCloud, Tests
>            Reporter: Mark Miller
>            Assignee: Mark Miller
>             Fix For: 4.1, 5.0
>
>
> I've looked into this a little in the past, but had not come to a conclusion. It really
bugs me because it doubles my test run time from 3 minutes to 6 minutes when it happens.
> I've been looking into it today and I think I've tracked the problem down to mostly test
bugs. One real bug around distrib commit ordering was also uncovered.

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