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Posted to commits@cassandra.apache.org by "Lee Tang (Jira)" <ji...@apache.org> on 2020/09/09 00:19:00 UTC

[jira] [Created] (CASSANDRA-16116) Emit a metric for mutations that are too large

Lee Tang created CASSANDRA-16116:
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             Summary: Emit a metric for mutations that are too large 
                 Key: CASSANDRA-16116
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-16116
             Project: Cassandra
          Issue Type: Task
          Components: Observability/Metrics
            Reporter: Lee Tang
            Assignee: Lee Tang


Huge memory allocations can cause GC thrashing and a lot of write timeouts.  Having a metric that allows us to alert on would allow us to react faster and discern why write timeouts are happening. 



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