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From "Mark Miller (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-3812) ConnectionLoss during recovery can cause lost updates, leading to shard inconsistency.
Date Mon, 10 Sep 2012 22:48:07 GMT

     [ https://issues.apache.org/jira/browse/SOLR-3812?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mark Miller updated SOLR-3812:
------------------------------

    Priority: Critical  (was: Major)
    
> ConnectionLoss during recovery can cause lost updates, leading to shard inconsistency.
> --------------------------------------------------------------------------------------
>
>                 Key: SOLR-3812
>                 URL: https://issues.apache.org/jira/browse/SOLR-3812
>             Project: Solr
>          Issue Type: Bug
>          Components: SolrCloud
>            Reporter: Mark Miller
>            Assignee: Mark Miller
>            Priority: Critical
>             Fix For: 4.0, 5.0
>
>
> When we lose our connection to ZooKeeper due to connectionloss (that does not lead to
expiration), we can drop updates when replaying buffered updates and think we have successfully
recovered.
> We need to detect this and fail recovery when it happens. We should also increase how
long we wait for re connection when an update comes and we have lost our connection to zk
(up to the session timeout).

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