Mark Miller created SOLR-3751:
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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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