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https://issues.apache.org/jira/browse/CASSANDRA-14527?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jaydeepkumar Chovatia updated CASSANDRA-14527:
----------------------------------------------
Description:
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!
was:
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 Jira is to reduce burden on ops, 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!
> 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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