Add composite indexes to events table to improve query performance#4982
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sethboyles merged 1 commit intocloudfoundry:mainfrom Apr 6, 2026
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We observed that certain queries were taking 30+ seconds on a large, production foundation. After exploring what was happening, we managed to cut query time down to sub-millisecond by adding a few composite indexes.
sethboyles
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Changes in cloud_controller_ng:
- Add composite indexes to events table to improve query performance
PR: cloudfoundry/cloud_controller_ng#4982
Author: Dave Riddle <david.riddle@broadcom.com>
- Fail tasks stuck in PENDING
PR: cloudfoundry/cloud_controller_ng#4983
Author: Seth Boyles <seth.boyles@broadcom.com>
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We observed that certain queries were taking 30+ seconds on a large, production foundation. After exploring what was happening, we managed to cut query time down to sub-millisecond by adding a few composite indexes.
A technical deep dive and a set of benchmark tests can be found here.
I have reviewed the contributing guide
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I have made this pull request to the
mainbranchI have run all the unit tests using
bundle exec rakeI have run CF Acceptance Tests