Add index to issue_user.issue_id
#27154
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Should we backport this change to 1.21? |
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Yes, I'd say so, seems pretty safe. |
lunny
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This fixes a performance bottleneck. It was discovered by Codeberg. Every where query on that table (which has grown big over time) uses this column, but there is no index on it. See this part of the log which was posted on Matrix: ``` 2023/09/10 00:52:01 ...rs/web/repo/issue.go:1446:ViewIssue() [W] [Slow SQL Query] UPDATE `issue_user` SET is_read=? WHERE uid=? AND issue_id=? [true x y] - 51.395434887s 2023/09/10 00:52:01 ...rs/web/repo/issue.go:1447:ViewIssue() [E] ReadBy: Error 1205 (HY000): Lock wait timeout exceeded; try restarting transaction 2023/09/10 00:52:01 ...eb/routing/logger.go:102:func1() [I] router: completed GET /Codeberg/Community/issues/1201 for [::ffff:xxx]:0, 500 Internal Server Error in 52384.2ms @ repo/issue.go:1256(repo.ViewIssue) ```
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Backport #27154 by @JakobDev This fixes a performance bottleneck. It was discovered by Codeberg. Every where query on that table (which has grown big over time) uses this column, but there is no index on it. See this part of the log which was posted on Matrix: ``` 2023/09/10 00:52:01 ...rs/web/repo/issue.go:1446:ViewIssue() [W] [Slow SQL Query] UPDATE `issue_user` SET is_read=? WHERE uid=? AND issue_id=? [true x y] - 51.395434887s 2023/09/10 00:52:01 ...rs/web/repo/issue.go:1447:ViewIssue() [E] ReadBy: Error 1205 (HY000): Lock wait timeout exceeded; try restarting transaction 2023/09/10 00:52:01 ...eb/routing/logger.go:102:func1() [I] router: completed GET /Codeberg/Community/issues/1201 for [::ffff:xxx]:0, 500 Internal Server Error in 52384.2ms @ repo/issue.go:1256(repo.ViewIssue) ``` Co-authored-by: JakobDev <jakobdev@gmx.de>
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* origin/main: Fix dropdown icon position (go-gitea#27175) Fix repo sub menu (go-gitea#27169) Fix review request number and add more tests (go-gitea#27104) Fix the variable regexp pattern on web page (go-gitea#27161) Fix organization field being null in POST /orgs/{orgid}/teams (go-gitea#27150) Add index to `issue_user.issue_id` (go-gitea#27154) [skip ci] Updated translations via Crowdin Start development on Gitea 1.22 (go-gitea#27155) Fix successful return value for `SyncAndGetUserSpecificDiff` (go-gitea#27152) Improve actions docs related to `pull_request` event (go-gitea#27126) Remove outdated paragraphs when comparing Gitea Actions to GitHub Actions (go-gitea#27119) Fix: treat tab "overview" as "repositories" in user profiles without readme (go-gitea#27124) Fix incorrect test code for error handling (go-gitea#27139) Increase auth provider icon size on login page (go-gitea#27122) fix pagination for followers and following (go-gitea#27127) services/wiki: Close() after error handling (go-gitea#27129) Use fetch helpers instead of fetch (go-gitea#27026) Change green buttons to primary color (go-gitea#27099) Fix wrong xorm get usage on migration (go-gitea#27111)
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* giteaofficial/main: [skip ci] Updated translations via Crowdin Updates to the API for archived repos (go-gitea#27149) Fix release URL in webhooks (go-gitea#27182) Fix dropdown icon position (go-gitea#27175) Fix repo sub menu (go-gitea#27169) Fix review request number and add more tests (go-gitea#27104) Fix the variable regexp pattern on web page (go-gitea#27161) Fix organization field being null in POST /orgs/{orgid}/teams (go-gitea#27150) Add index to `issue_user.issue_id` (go-gitea#27154) [skip ci] Updated translations via Crowdin Start development on Gitea 1.22 (go-gitea#27155) Fix successful return value for `SyncAndGetUserSpecificDiff` (go-gitea#27152)
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This fixes a performance bottleneck. It was discovered by Codeberg. Every where query on that table (which has grown big over time) uses this column, but there is no index on it.
See this part of the log which was posted on Matrix: