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Posted to dev@tomcat.apache.org by bu...@apache.org on 2016/06/15 11:49:15 UTC
[Bug 59706] New: HTTP/2 load testing performance
https://bz.apache.org/bugzilla/show_bug.cgi?id=59706
Bug ID: 59706
Summary: HTTP/2 load testing performance
Product: Tomcat 9
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: enhancement
Priority: P2
Component: Connectors
Assignee: dev@tomcat.apache.org
Reporter: remm@apache.org
Using a load testing tool like h2load, performance can go down quickly due to
very high multiplexing that occurs when processing the requests. Due to heavy
sync contention, it is likely some resources are then wasted. It could be
beneficial to explore solutions to that.
Example: h2load -c 1 -n 100 http://127.0.0.1:8080/tomcat.gif
Unlike HTTP/1.1, this will actually in most cases multiplex 100 concurrent
requests over a single connection, using 100 processing threads.
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[Bug 59706] HTTP/2 load testing performance
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=59706
--- Comment #3 from Remy Maucherat <re...@apache.org> ---
r1749898. I will patch 8.5 as well if there are no complaints.
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[Bug 59706] HTTP/2 load testing performance
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=59706
--- Comment #1 from Remy Maucherat <re...@apache.org> ---
Created attachment 33951
--> https://bz.apache.org/bugzilla/attachment.cgi?id=33951&action=edit
Test code
Test code which hijacks activeRemoteStreamCount. I tried putting code in
StreamProcessor, among other possible options, but for some reason the
performance improvement is not as large.
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[Bug 59706] HTTP/2 load testing performance
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=59706
Remy Maucherat <re...@apache.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #4 from Remy Maucherat <re...@apache.org> ---
There's now a good balance between supporting HTTP/2 and limiting concurrency
enough.
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[Bug 59706] HTTP/2 load testing performance
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=59706
Remy Maucherat <re...@apache.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #33951|0 |1
is obsolete| |
--- Comment #2 from Remy Maucherat <re...@apache.org> ---
Created attachment 33956
--> https://bz.apache.org/bugzilla/attachment.cgi?id=33956&action=edit
Queue v2
Same idea, revised.
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