https://bz.apache.org/bugzilla/show_bug.cgi?id=61927
Bug ID: 61927
Summary: Excessive sendfile() calls
Product: Apache httpd-2
Version: 2.4.27
Hardware: PC
OS: FreeBSD
Status: NEW
Severity: normal
Priority: P2
Component: Core
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 35628
--> https://bz.apache.org/bugzilla/attachment.cgi?id=35628&action=edit
Truss output from apache process.
When apache attempts to send a file using the sendfile() syscall and the socket
buffer is full, apache does not wait for the socket buffer to be ready for
writing but will constantly call sendfile() causing high cpu usage.
OS: FreeBSD 11.1-RELEASE x64.
HTTPD: Apache 2.4.27 from precompiled freebsd fresh ports.
MPM: Prefork.
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