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https://issues.apache.org/jira/browse/SOLR-3080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13216633#comment-13216633
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Yonik Seeley commented on SOLR-3080:
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OK, here's what I think is happening around the ChaosMonkeySafeLeaderTest
failures I'm seeing.
The missing docs actually appear in the "startingVersions" (i.e. they are in
the transaction log).
We peersync and don't request those versions because we already have them.
*But* I don't think we ever called UpdateLog.recoverFromLog() to actually apply
them to the index!
In ZkController.register() recoverFromLog is only called if isLeader==true.
Perhaps this is a holdover from when peersync was not done at startup and hence
it didn't make sense to try and recover from your logs when you were just going
to replicate the leader index anyway?
> We should consider removing shard info from Zk when you explicitly unload a
> SolrCore.
> -------------------------------------------------------------------------------------
>
> Key: SOLR-3080
> URL: https://issues.apache.org/jira/browse/SOLR-3080
> Project: Solr
> Issue Type: Improvement
> Components: SolrCloud
> Reporter: Mark Miller
> Assignee: Sami Siren
> Priority: Minor
> Fix For: 4.0
>
> Attachments: SOLR-3080.patch, SOLR-3080.patch,
> SOLR-3080_smaller_sync.patch
>
>
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