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  1. Solr
  2. SOLR-4350

Deleting the data directory on master and reindexing causes slaves to be out of sync (if replication doesn't take place before a master instance restart)

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    Details

    • Type: Bug
    • Status: Open
    • Priority: Minor
    • Resolution: Unresolved
    • Affects Version/s: 4.1
    • Fix Version/s: None
    • Component/s: replication (java)
    • Labels:
    • Environment:

      Windows

      Description

      This issue occurs only when the data directory is deleted manually on the master instance.

      Here are the steps that I used to replicate the issue:

      Master - Shutdown
      Master - Delete Data Directory
      Slave - Replication triggers, but no connection to master, replicaiton fails
      Master - Start Up
      Master - Index all docs
      Master - Shutdown
      Master - Start Up

      Expected: Slave - Replication triggers, connected to master, new index replications, master & slave in sync

      Actual: Slave - Replication triggers, connected to master, error seen in the logs: "SEVERE: No files to download for index generation: 2"

      • Nothing will replicate even if master generation > slave generation

      Workaround:

      • Must trigger another commit on master after the restart
      • Replicates even if master generation < slave generation (and gets the generations in sync)
      • Replicates when master generation > slave generation

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            • Assignee:
              Unassigned
              Reporter:
              senthuran Senthuran Sivananthan
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              Dates

              • Created:
                Updated: