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https://issues.apache.org/jira/browse/SOLR-4632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13614549#comment-13614549
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Erick Erickson commented on SOLR-4632:
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Nope. Also, there's a test that's been in there from the beginning that
verifies that if the value for transientCacheSize is other than
Integer.MAX_VALUE, it's persisted. If it's not present, the default is
Integer.MAX_VALUE. Reading that value is a bit opaque, it's easy to overlook.
But in looking at the code, it was misleading at best. There's no way to change
the value of transientCacheSize outside of having it in the solr.xml file in
the <cores> tag, you can't dynamically change it. None of the create process
for a core changes the value in the <cores> tag. Nor should it IMO.
So I don't understand what you're doing to test this. How are you changing the
valur for transientCacheSize?
BTW, all that is entirely separate from not being able to specify loadOnStartup
and transient when creating cores, I've include that patch in what I'm working
on now.
> transientCacheSize is not retained when persisting solr.xml
> -----------------------------------------------------------
>
> Key: SOLR-4632
> URL: https://issues.apache.org/jira/browse/SOLR-4632
> Project: Solr
> Issue Type: Bug
> Components: multicore
> Affects Versions: 4.2
> Reporter: dfdeshom
> Assignee: Erick Erickson
> Priority: Minor
> Fix For: 4.3
>
> Attachments: SOLR-4632.txt
>
>
> transientCacheSize is not persisted solr.xml when creating a new core. I was
> able to reproduce this using the following solr.xml file:
> {code:xml}
> <?xml version="1.0" encoding="UTF-8" ?>
> <solr persistent="true">
> <cores transientCacheSize="21" defaultCoreName="collection1"
> adminPath="/admin/cores" zkClientTimeout="${zkClientTimeout:15000}"
> hostPort="8983" hostContext="solr">
> <core name="collection1" collection="collection1"/>
> </cores>
> </solr>
> {code}
> I created a new core:
> {code} curl
> "http://localhost:8983/solr/admin/cores?action=create&instanceDir=collection1&transient=true&name=tmp5&loadOnStartup=false"{code}
> The resulting solr.xml file has the new core added, but is missing the
> transientCacheSize attribute.
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