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From "Mark Miller (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SOLR-3751) Add defensive checks against errant updates to distrib update processor.
Date Thu, 30 Aug 2012 19:25:08 GMT

     [ https://issues.apache.org/jira/browse/SOLR-3751?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mark Miller resolved SOLR-3751.
-------------------------------

    Resolution: Fixed
    
> Add defensive checks against errant updates to distrib update processor.
> ------------------------------------------------------------------------
>
>                 Key: SOLR-3751
>                 URL: https://issues.apache.org/jira/browse/SOLR-3751
>             Project: Solr
>          Issue Type: Improvement
>          Components: SolrCloud
>            Reporter: Mark Miller
>            Assignee: Mark Miller
>            Priority: Minor
>             Fix For: 4.0, 5.0
>
>
> The distrib update processor should do sanity checks on incoming updates - you never
know what greedy routers might hang to some packets for while before letting them go.
> We can quickly and easily check a couple things.
> If the update is from a Leader we can check that we don't currently think we are the
leader (using a local isLeader state).
> If the update is from a Leader we can check that that leader matches what is in our current
ClusterState.

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