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Posted to commits@pinot.apache.org by GitBox <gi...@apache.org> on 2021/10/05 23:33:06 UTC
[GitHub] [pinot] mqliang opened a new issue #7526: multi tenant issue: resource quota and admission control
mqliang opened a new issue #7526:
URL: https://github.com/apache/pinot/issues/7526
Follow up the comments from https://github.com/apache/pinot/pull/7492
In multi tenant environment, all resources are public goods, which means, if without constrains
* a greedy user may over use resources, which will make negative impact on other users
* a malicious user can overwhelm broker/server by sending lots of expensive queries in a short time
Ideally, pinot should support resource quota and admission control (probably on per table basis):
* limit the total number of on-going queries
* limit the total number of threads of on-going queries (if user set query level maximum execution threads).
This way we can constrain the resource usage for a particular table. Otherwise, a burst of queries on a single table may bring down the whole cluster.
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[GitHub] [pinot] mqliang commented on issue #7526: multi tenant issue: resource quota and admission control
Posted by GitBox <gi...@apache.org>.
mqliang commented on issue #7526:
URL: https://github.com/apache/pinot/issues/7526#issuecomment-935135624
I see we already have a query quota at broker: https://github.com/apache/pinot/tree/9275a430049ff0d2888cb353fc7ef369d53a171c/pinot-broker/src/main/java/org/apache/pinot/broker/queryquota
close this
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[GitHub] [pinot] mqliang closed issue #7526: multi tenant issue: resource quota and admission control
Posted by GitBox <gi...@apache.org>.
mqliang closed issue #7526:
URL: https://github.com/apache/pinot/issues/7526
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