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Optimize Sorting: shuffle string chars only once per workID #286
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amirylm
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AUTO-7299-optimize-sorting-shuffle-string-chars-only-once
Nov 29, 2023
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Optimize Sorting: shuffle string chars only once per workID #286
amirylm
merged 6 commits into
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AUTO-7299-optimize-sorting-shuffle-string-chars-only-once
Nov 29, 2023
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SonarQube Quality Gate |
- use SliceStable - using a single map for the shuffled string
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ferglor
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nice find, lgtm!
re. fergal's comment on Slice vs SliceStable, I think either should be fine since array has unique items but one might be faster
ferglor
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AUTO-7299
Description
As part of load testing, we found that our sorting doesn’t scale well as it takes too much CPU.
The motivation in this PR is to avoid shuffle the workID string multiple times, by doing it only once.
Changes
AddFromStagingHook
is using an additional slice to hold the shuffled strings, and sort that slice instead of the original one that requires to shuffle the workID in each sort operation (up ton^2
operations)Testing
There were no new tests added as the current cases cover this change and ensure we didn't break the function