Yonik Seeley created SOLR-14278:
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Summary: data loss during live shard split if leader dies
Key: SOLR-14278
URL: https://issues.apache.org/jira/browse/SOLR-14278
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Yonik Seeley
While trying to develop better tests for shared storage (SOLR-13101), I ran
across another failure for normal replica types as well (one of the first
things I do when a test fails for shared storage is to try and validate that
normal NRT replicas succeed.) The PR I'll open has a test adapted from the one
in SOLR-13813 for master.
Scenario:
- indexing is happening during shard split
- leader is killed shortly after (before the split has finished) and never
brought back up
- there are often some missing documents at the end
While it's possible that the simulated killing of the node in the unit test is
imperfect, I haven't reproduced a failure if I comment out the split command
and just kill the leader.
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