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Posted to dev@lucene.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2017/01/03 07:23:58 UTC
[jira] [Commented] (SOLR-9906) Use better check to validate if node
recovered via PeerSync or Replication
[ https://issues.apache.org/jira/browse/SOLR-9906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15794381#comment-15794381 ]
ASF subversion and git services commented on SOLR-9906:
-------------------------------------------------------
Commit 3988532d26a50b1f3cf51e1d0009a0754cfd6b57 in lucene-solr's branch refs/heads/master from [~noble.paul]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=3988532 ]
SOLR-9906-Use better check to validate if node recovered via PeerSync or Replication
> Use better check to validate if node recovered via PeerSync or Replication
> --------------------------------------------------------------------------
>
> Key: SOLR-9906
> URL: https://issues.apache.org/jira/browse/SOLR-9906
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Pushkar Raste
> Priority: Minor
> Attachments: SOLR-9906.patch, SOLR-9906.patch, SOLR-PeerSyncVsReplicationTest.diff
>
>
> Tests {{LeaderFailureAfterFreshStartTest}} and {{PeerSyncReplicationTest}} currently rely on number of requests made to the leader's replication handler to check if node recovered via PeerSync or replication. This check is not very reliable and we have seen failures in the past.
> While tinkering with different way to write a better test I found [SOLR-9859|SOLR-9859]. Now that SOLR-9859 is fixed, here is idea for better way to distinguish recovery via PeerSync vs Replication.
> * For {{PeerSyncReplicationTest}}, if node successfully recovers via PeerSync, then file {{replication.properties}} should not exist
> For {{LeaderFailureAfterFreshStartTest}}, if the freshly replicated node does not go into replication recovery after the leader failure, contents {{replication.properties}} should not change
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