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Is it possible to check element load when using a Cassandra database?

Solved1.44K views6th August 2020Cassandra database MySQL
1
Gelber Mahecha [SLC] [DevOps Enabler]1.62K 22nd July 2020 0 Comments

When using a MySQL database, it was possible to run queries against system tables to find the elements with the highest impact on the database (in terms of size and number of rows). Is this also possible when using Cassandra?

Marieke Goethals [SLC] [DevOps Catalyst] Changed status to publish 6th August 2020

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Robin Devos [SLC] [DevOps Advocate]2.46K Posted 23rd July 2020 1 Comment

I don't know about a certain query to easily show you such data, there could be such a query, but I'm no CQL wizard.. (maybe ask the Cassandra Champion?)
We tend to use the Cassandra Cluster Validator to see which element holds the most data and has the most datapoints (Elements page in the element).

If you decide to create such an element, be sure to check the driver help, as quite some things could go wrong.
When retrieving this data, know that it can take a while before you get results (might take hour(s)).

Gelber Mahecha [SLC] [DevOps Enabler] Selected answer as best 24th July 2020
Gelber Mahecha [SLC] [DevOps Enabler] commented 24th July 2020

Thanks Robin. I’ve also asked to the Cassandra champion, and he agrees with your answer of using the Cassandra Validator instead.

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