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Paulo Motta commented on CASSANDRA-10580: ----------------------------------------- * Use {{TimeUnit.NANOSECONDS.toMillis}} instead of {{TimeUnit.MILLISECONDS.convert}} * Change log message from "Mean InternalDroppedLatency: %d ms and Mean CrossNodeDroppedLatency: %d ms" to "Mean internal dropped latency: %d ms. Mean cross-node dropped latency: %d ms." * Provide 2.2 patch > On dropped mutations, more details should be logged. > ---------------------------------------------------- > > Key: CASSANDRA-10580 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10580 > Project: Cassandra > Issue Type: Improvement > Components: Coordination > Environment: Production > Reporter: Anubhav Kale > Assignee: Anubhav Kale > Priority: Minor > Fix For: 3.2, 2.2.x > > Attachments: 0001-Metrics.patch, 10580-Metrics.patch, 10580.patch, > CASSANDRA-10580-Head.patch, Trunk.patch > > > In our production cluster, we are seeing a large number of dropped mutations. > At a minimum, we should print the time the thread took to get scheduled > thereby dropping the mutation (We should also print the Message / Mutation so > it helps in figuring out which column family was affected). This will help > find the right tuning parameter for write_timeout_in_ms. > The change is small and is in StorageProxy.java and MessagingTask.java. I > will submit a patch shortly. -- This message was sent by Atlassian JIRA (v6.3.4#6332)