Noble Paul created SOLR-16414:
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Summary: Race condition in PRS state updates
Key: SOLR-16414
URL: https://issues.apache.org/jira/browse/SOLR-16414
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Noble Paul
For PRS collections the individual states are potentially updated from
individual nodes and sometimes from overseer too. it's possible that
# OP1 is sent to overseer at T1
# OP2 is executed in the node itself at T2
Because we cannot guarantee that the OP1 sent to overseer may execute before
OP2 tyhe final state will be the result of OP1 which is incorrect and can lead
to errors .
The solution is to never do any PRS writes from overseer.
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