Leif Hedstrom created TS-1381:
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Summary: Performance of server intercept without Content-Length is
poor
Key: TS-1381
URL: https://issues.apache.org/jira/browse/TS-1381
Project: Traffic Server
Issue Type: Improvement
Components: HTTP
Reporter: Leif Hedstrom
Fix For: sometime
When using a server intercept plugin, if the plugin is unable (for whatever
reason) to inject a Content-Length header, we perform chunked encoding on the
body. This turns out to be pretty slow, I'm seeing at least 5-8x slowdown doing
this chunking, vs simply setting a CL: header.
The reason I'm filing this is because for certain server intercept plugins,
such as an fcgi plugin, this could be bad for performance. I can see that there
would be some overhead doing the chunking, but 800% seems very steep.
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