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Dikang Gu commented on CASSANDRA-8398: -------------------------------------- [~tjake], FYI, the unit tests/dtests are done, there are several test failures, but they seem to be unrelated to this ticket. > Expose time spent waiting in thread pool queue > ----------------------------------------------- > > Key: CASSANDRA-8398 > URL: https://issues.apache.org/jira/browse/CASSANDRA-8398 > Project: Cassandra > Issue Type: Improvement > Reporter: T Jake Luciani > Assignee: Dikang Gu > Priority: Minor > Labels: lhf > Fix For: 3.12 > > Attachments: tpstats.png > > > We are missing an important source of latency in our system, the time waiting > to be processed by thread pools. We should add a metric for this so someone > can easily see how much time is spent just waiting to be processed. -- This message was sent by Atlassian JIRA (v6.3.4#6332)