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https://issues.apache.org/jira/browse/SOLR-5345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13793846#comment-13793846
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Mark Miller commented on SOLR-5345:
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I'm loose with the word unit test - probably because we use Junit to write
them. It's pretty obvious that we have tons of integration tests in addition to
our unit tests though. Which makes sense, because we need both. We should test
as much as we can.
> OpenCloseCoreStressTest opens too many files (causing it to fail often)
> -----------------------------------------------------------------------
>
> Key: SOLR-5345
> URL: https://issues.apache.org/jira/browse/SOLR-5345
> Project: Solr
> Issue Type: Bug
> Reporter: Robert Muir
> Assignee: Mark Miller
> Fix For: 4.5.1
>
>
> Typically the symptom with jenkins is strange socket failures (because
> sockets are files too).
> On my machine though i got the nice too many open files from lucene because
> it just happened to fail that way.
> In addition to holding thousands of open files, this test creates 90
> *megabytes* of logging output!
> Can we tone down the test? I havent looked at all: but it doesn't seem
> necessary to have huge numbers of cores/indexes to test the functionality, we
> should be able to do this with relatively small numbers.
> Additionally i dont think its good to use random merge/IW buffering
> parameters here, we should set ones that won't make tons of files, force the
> use of compound file format, etc.
> The massive amounts of logging should be addressed too.
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