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https://issues.apache.org/jira/browse/CASSANDRA-14527?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jaydeepkumar Chovatia updated CASSANDRA-14527:
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Summary: Real time bad query logging framework (was: Real time Bad query
logging framework)
> Real time bad query logging framework
> -------------------------------------
>
> Key: CASSANDRA-14527
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14527
> Project: Cassandra
> Issue Type: New Feature
> Components: Observability
> Reporter: Jaydeepkumar Chovatia
> Assignee: Jaydeepkumar Chovatia
> Priority: Major
> Fix For: 4.x
>
>
> Debugging Cassandra performance problems in really large production
> environment with different workload involves lots of challenges. There are
> different types of problems caused by queries, but major problem is there is
> only a little information available from Cassandra to diagnose performance
> issues.Most of the times user/ops team is ready to take actions on queries
> provided Cassandra provides more details on different problems seen at server
> side.
> There has been already lots of work done as part of CASSANDRA-12403, [large
> partition warning
> |https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/io/sstable/format/big/BigTableWriter.java#L208],
> [tombstone warning
> |https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/db/ReadCommand.java#L490]
> but I think Cassandra needs to provide more concrete information, tunable
> parameters, tunable way to consume this info, etc. Hence this jira is to have
> some common way of detecting and logging different problems in Cassandra
> cluster which could have potential impact on Cassandra cluster performance.
> Target for this effort would be to reduce burden on ops to handle Cassandra
> at large scale, as well as help beginners to quickly identify performance
> problems with the Cassandra.
> Please visit this document which has details like what is currently
> available, motivation behind developing this common framework, architecture,
> samples, etc.
> [https://docs.google.com/document/d/1D0HNjC3a7gnuKnR_iDXLI5mvn1zQxtV7tloMaLYIENE/edit?usp=sharing]
> Here is the patch with this feature:
> ||trunk||
> |[!https://circleci.com/gh/jaydeepkumar1984/cassandra/tree/bqr.svg?style=svg!
> |https://circleci.com/gh/jaydeepkumar1984/cassandra/82]|
> |[patch
> |https://github.com/apache/cassandra/compare/trunk...jaydeepkumar1984:bqr]|
> Please review this doc/patch and provide your feedback.
> Thank you!
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