Jan Karlsson created CASSANDRA-16316:
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Summary: Tracing continues after session completed
Key: CASSANDRA-16316
URL: https://issues.apache.org/jira/browse/CASSANDRA-16316
Project: Cassandra
Issue Type: Bug
Components: Observability/Tracing
Reporter: Jan Karlsson
Assignee: Jan Karlsson
We saw the system_trace.events table increasing in size continuously without
any trace requests being issued.
I traced the issue back to a specific version and patch. I believe we have
removed the call to reset the trace flag in CASSANDRA-15041 which causes
tracing to continue in the thread even after it is finished with the request.
Reproduced like follows:
1. ccm test -n 1 -v 3.11.9
2. Enable authentication/authorization
3. Set permissions_update_interval_in_ms: 1000 (It works if this value is
default value. I am guessing this is because the update is done in the calling
thread)
4. select * from some table a bunch of times until PermissionRoleCache is
refreshed
5. Watch system_traces.events grow
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