[PR #9477/ce33b695 backport][3.10] Speed up matching the host header when updating client headers #9478
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(cherry picked from commit ce33b69)
bdraco
approved these changes
Oct 13, 2024
Codecov ReportAll modified and coverable lines are covered by tests ✅
✅ All tests successful. No failed tests found. Additional details and impacted files@@ Coverage Diff @@
## 3.10 #9478 +/- ##
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Coverage 97.82% 97.82%
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Files 106 106
Lines 35064 35066 +2
Branches 4220 4220
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+ Hits 34301 34303 +2
Misses 568 568
Partials 195 195
Flags with carried forward coverage won't be shown. Click here to find out more. ☔ View full report in Codecov by Sentry. |
bdraco
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patchback/backports/3.10/ce33b69584e7b5e9270540691912eb9d39af5490/pr-9477
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This is a backport of PR #9477 as merged into master (ce33b69).
What do these changes do?
update_headersis one of the most expensive areas of the client request when headers are being added.Avoid calling
.lower()on every header key for the special case.I got the idea from aio-libs/multidict#683
Are there changes in behavior for the user?
no
Is it a substantial burden for the maintainers to support this?
no