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From "Mark Miller (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SOLR-3751) Add defensive checks against errant updates to distrib update processor.
Date Thu, 23 Aug 2012 03:49:41 GMT
Mark Miller created SOLR-3751:
---------------------------------

             Summary: 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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