https://bz.apache.org/bugzilla/show_bug.cgi?id=68089
--- Comment #13 from John Engebretson ---
This changed reached prod and improved performance. Low impact.
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--- Comment #12 from John Engebretson ---
String compaction made charAt() more expensive, thanks to checks on format and
range. String.length() remains an integer check.
That said, charAt() isn't that bad, so it's an option if functionally
https://bz.apache.org/bugzilla/show_bug.cgi?id=68089
--- Comment #11 from Christopher Schultz ---
(In reply to Mark Thomas from comment #9)
> I did look at using !startsWith("jakarta") but that is ~2x slower than a
> length check.
>
> I've coded up the length check and am just running some
https://bz.apache.org/bugzilla/show_bug.cgi?id=68089
Mark Thomas changed:
What|Removed |Added
Status|REOPENED|RESOLVED
Resolution|---
https://bz.apache.org/bugzilla/show_bug.cgi?id=68089
--- Comment #9 from Mark Thomas ---
I did look at using !startsWith("jakarta") but that is ~2x slower than a length
check.
I've coded up the length check and am just running some tests locally.
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https://bz.apache.org/bugzilla/show_bug.cgi?id=68089
--- Comment #8 from John Engebretson ---
Created attachment 39575
--> https://bz.apache.org/bugzilla/attachment.cgi?id=39575=edit
Support class for the speed test
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--- Comment #7 from John Engebretson ---
Created attachment 39574
--> https://bz.apache.org/bugzilla/attachment.cgi?id=39574=edit
Speed test
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John Engebretson changed:
What|Removed |Added
Status|RESOLVED|REOPENED
Resolution|FIXED
https://bz.apache.org/bugzilla/show_bug.cgi?id=68089
--- Comment #5 from John Engebretson ---
For posterity: this issue also dominates the runtime of
org.apache.catalina.core.ApplicationHttpRequest$AttributeNamesEnumerator.findNext().
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Mark Thomas changed:
What|Removed |Added
Resolution|--- |FIXED
Status|NEW
https://bz.apache.org/bugzilla/show_bug.cgi?id=68089
--- Comment #3 from John Engebretson ---
Good idea to measure ApplicationHttpRequest.getAttribute()! Our production
environment shows 0.27% cpu spent in that method, of which 0.1% cpu is spent in
method-local time (including the inlined array
https://bz.apache.org/bugzilla/show_bug.cgi?id=68089
Mark Thomas changed:
What|Removed |Added
Status|NEEDINFO|NEW
--- Comment #2 from Mark Thomas
https://bz.apache.org/bugzilla/show_bug.cgi?id=68089
Remy Maucherat changed:
What|Removed |Added
Status|NEW |NEEDINFO
--- Comment #1 from Remy
https://bz.apache.org/bugzilla/show_bug.cgi?id=68089
Anurag Dubey changed:
What|Removed |Added
CC||anura...@amazon.com
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