Pushkar Raste created SOLR-9906:
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Summary: Use better check to validate if node recovered via
PeerSync or Replication
Key: SOLR-9906
URL: https://issues.apache.org/jira/browse/SOLR-9906
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Pushkar Raste
Priority: Minor
Tests {{LeaderFailureAfterFreshStartTest}} and {{PeerSyncReplicationTest}}
currently rely on number of requests made to the leader's replication handler
to check if node recovered via PeerSync or replication. This check is not very
reliable and we have seen failures in the past.
While tinkering with different way to write a better test I found
[SOLR-9859|SOLR-9859]. Now that SOLR-9859 is fixed, here is idea for better way
to distinguish recovery via PeerSync vs Replication.
* For {{PeerSyncReplicationTest}}, if node successfully recovers via PeerSync,
then file {{replication.properties}} should not exist
For {{LeaderFailureAfterFreshStartTest}}, if the freshly replicated node does
not go into replication recovery after the leader failure, contents
{{replication.properties}} should not change
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