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Avoid database lookups for DescriptionHTML
#18924
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- Don't Compose meta's for DescriptionHTML, they are only needed in order to correctly format and show issue's but it's highly unlikely that a repository description will refer to a local issue. Using 125 Connections for 5 seconds: on `/explore/repos`(which is the most noticeable usage by this function's database lookups): Before: Statistics Avg Stdev Max Reqs/sec 569.41 506.05 2715.00 Latency 214.27ms 16.60ms 294.84ms HTTP codes: 1xx - 0, 2xx - 2974, 3xx - 0, 4xx - 0, 5xx - 0 others - 0 Throughput: 27.17MB/s After: Statistics Avg Stdev Max Reqs/sec 1585.04 789.84 4144.56 Latency 78.89ms 15.89ms 206.94ms HTTP codes: 1xx - 0, 2xx - 7975, 3xx - 0, 4xx - 0, 5xx - 0 others - 0 Throughput: 73.85MB/s
6543
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Agree to add more comments about the ComposeMetas performance
🚀 |
zjjhot
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Feb 28, 2022
* giteaofficial/main: Adjust error for already locked db and prevent level db lock on malformed connstr (go-gitea#18923) Avoid database lookups for `DescriptionHTML` (go-gitea#18924) Update go-org to v1.6.1 (go-gitea#18932) Fix trace log to show value instead of pointers (go-gitea#18926) Add announcement steps to release-howto (go-gitea#18896) Fix `<strong>` html in translation (go-gitea#18929)
Chianina
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Mar 28, 2022
* Avoid database lookups for `DescriptionHTML` - Don't Compose meta's for DescriptionHTML, they are only needed in order to correctly format and show issue's but it's highly unlikely that a repository description will refer to a local issue. Using 125 Connections for 5 seconds: on `/explore/repos`(which is the most noticeable usage by this function's database lookups): Before: Statistics Avg Stdev Max Reqs/sec 569.41 506.05 2715.00 Latency 214.27ms 16.60ms 294.84ms HTTP codes: 1xx - 0, 2xx - 2974, 3xx - 0, 4xx - 0, 5xx - 0 others - 0 Throughput: 27.17MB/s After: Statistics Avg Stdev Max Reqs/sec 1585.04 789.84 4144.56 Latency 78.89ms 15.89ms 206.94ms HTTP codes: 1xx - 0, 2xx - 7975, 3xx - 0, 4xx - 0, 5xx - 0 others - 0 Throughput: 73.85MB/s Co-authored-by: 6543 <[email protected]> Co-authored-by: zeripath <[email protected]>
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Labels
lgtm/done
This PR has enough approvals to get merged. There are no important open reservations anymore.
performance/speed
performance issues with slow downs
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/explore/repos
can be rendered(this template is the most noticeable in performance improvements, as it rendersDescriptionHTML
for ~20 repos).ComposeMetas
lookups for ExternalTracker Unit and if the repo was from a organisation it would do another lookup for team names + repo owner.Using 125 Connections for 5 seconds: on
/explore/repos
:Before:
After: