[jira] [Created] (SOLR-7109) Indexing threads stuck during network partition can put leader into down state

["Shalin Shekhar Mangar (JIRA)" <ji...@apache.org>]

Shalin Shekhar Mangar created SOLR-7109:
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             Summary: Indexing threads stuck during network partition can put leader into down state
                 Key: SOLR-7109
                 URL: https://issues.apache.org/jira/browse/SOLR-7109
             Project: Solr
          Issue Type: Bug
          Components: SolrCloud
    Affects Versions: 4.10.3, 5.0
            Reporter: Shalin Shekhar Mangar
             Fix For: Trunk, 5.1


I found this recently while running some Jepsen tests. I found that some threads get stuck on zk operations for a long time in ZkController.updateLeaderInitiatedRecoveryState method and when they wake up they go ahead with setting the LIR state to down. But in the mean time, new leader has been elected and sometimes you'd get into a state where the leader itself is put into recovery causing the shard to reject all writes.



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