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Posted to dev@lucene.apache.org by "Commit Tag Bot (JIRA)" <ji...@apache.org> on 2013/03/22 17:39:26 UTC
[jira] [Commented] (SOLR-3836) When doing peer sync, we should only
count sync attempt that cannot reach the given host as success when the
candidate leader is syncing with the replicas - not when replicas are
syncing to the leader.
[ https://issues.apache.org/jira/browse/SOLR-3836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13610841#comment-13610841 ]
Commit Tag Bot commented on SOLR-3836:
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[branch_4x commit] Mark Robert Miller
http://svn.apache.org/viewvc?view=revision&revision=1384937
SOLR-3833: When a election is started because a leader went down, the new leader candidate should decline if the last state they published was not active.
SOLR-3836: When doing peer sync, we should only count sync attempts that cannot reach the given host as success when the candidate leader is syncing with the replicas - not when replicas are syncing to the leader.
SOLR-3835: In our leader election algorithm, if on connection loss we found we did not create our election node, we should retry, not throw an exception.
SOLR-3834: A new leader on cluster startup should also run the leader sync process in case there was a bad cluster shutdown.
SOLR-3772: On cluster startup, we should wait until we see all registered replicas before running the leader process - or if they all do not come up, N amount of time.
SOLR-3756: If we are elected the leader of a shard, but we fail to publish this for any reason, we should clean up and re trigger a leader election.
SOLR-3812: ConnectionLoss during recovery can cause lost updates, leading to shard inconsistency.
SOLR-3813: When a new leader syncs, we need to ask all shards to sync back, not just those that are active.
SOLR-3807: Currently during recovery we pause for a number of seconds after waiting for the leader to see a recovering state so that any previous updates will have finished before our commit on the leader - we don't need this wait for peersync.
SOLR-3837: When a leader is elected and asks replicas to sync back to him and that fails, we should ask those nodes to recovery asynchronously rather than synchronously.
> When doing peer sync, we should only count sync attempt that cannot reach the given host as success when the candidate leader is syncing with the replicas - not when replicas are syncing to the leader.
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-3836
> URL: https://issues.apache.org/jira/browse/SOLR-3836
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Reporter: Mark Miller
> Assignee: Mark Miller
> Priority: Critical
> Fix For: 4.0, 5.0
>
>
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