David Capwell created CASSANDRA-18783:
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Summary: CEP-15 (C*): when loading commands that have empty
waiting_on, make sure not to loose the partial deps
Key: CASSANDRA-18783
URL: https://issues.apache.org/jira/browse/CASSANDRA-18783
Project: Cassandra
Issue Type: Bug
Components: Accord
Reporter: David Capwell
Assignee: David Capwell
This was found in benchmark clusters
{code}
java.lang.IllegalStateException: Deps do not match; expected {}, {} ==
[tlp_stress:[(-1182483594468561006,-472993437787424406]]]:{tlp_stress:DecoratedKey(-1000036068852656106,
3030312e302e35383730313035):[[17,1692599889087003,0,1]]}, {}
accord.utils.Invariants.illegalState(Invariants.java:44)
accord.utils.Invariants.checkState(Invariants.java:133)
accord.local.Command$Committed.<init>(Command.java:826)
accord.local.Command$Committed.<init>(Command.java:817)
accord.local.Command$Executed.<init>(Command.java:905)
accord.local.Command$Executed.executed(Command.java:951)
accord.local.Command$SerializerSupport.executed(Command.java:165)
org.apache.cassandra.service.accord.AccordKeyspace.loadCommand(AccordKeyspace.java:1197)
{code}
The root cause is that “empty” waiting_on drops the partial deps when we
write/load but this becomes an issue for Command.Committed as it double checks
partial_deps == waiting_on.deps
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