Add composite indexes to events table to improve query performance#4982
Open
joyvuu-dave wants to merge 1 commit intocloudfoundry:mainfrom
Open
Add composite indexes to events table to improve query performance#4982joyvuu-dave wants to merge 1 commit intocloudfoundry:mainfrom
joyvuu-dave wants to merge 1 commit intocloudfoundry:mainfrom
Conversation
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.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
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
I have viewed, signed, and submitted the Contributor License Agreement
I have made this pull request to the
mainbranchI have run all the unit tests using
bundle exec rakeI have run CF Acceptance Tests