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Posted to bugs@httpd.apache.org by bu...@apache.org on 2015/12/11 14:48:57 UTC

[Bug 58720] New: querying server status stalls when scoreboard is full

https://bz.apache.org/bugzilla/show_bug.cgi?id=58720

            Bug ID: 58720
           Summary: querying server status stalls when scoreboard is full
           Product: Apache httpd-2
           Version: 2.4.17
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: mod_status
          Assignee: bugs@httpd.apache.org
          Reporter: andreas.bz.apache.org@gomorrha.de

In case of a full scoreboard it is not possible to retrieve the server status,
since the request will stall. There is no other way to retrieve the
server-status on a reserved port, or via other means.

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[Bug 58720] querying server status stalls when scoreboard is full

Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=58720

Artem Russakovskii <ar...@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |archon810@gmail.com

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[Bug 58720] querying server status stalls when scoreboard is full

Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=58720

Eric Covener <co...@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |enhancement

--- Comment #1 from Eric Covener <co...@gmail.com> ---
Reclassifying as an enhancement, if the server's too busy it's too busy.

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[Bug 58720] querying server status stalls when scoreboard is full

Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=58720

--- Comment #2 from Rainer Jung <ra...@kippdata.de> ---
Have a look at Jeff's mod_backdoor. Don't know how well it works with 2.4 but
give it a try:

http://people.apache.org/~trawick/

(look for "mod_backdoor" which will find you the source and a txt file serving
as a README).

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[Bug 58720] querying server status stalls when scoreboard is full

Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=58720

--- Comment #3 from Artem Russakovskii <ar...@gmail.com> ---
Would also like to see this implemented. 1 (or configurable N) reserved
thread(s) for mod_status would be extremely lightweight and helpful when the
server is otherwise very busy, because the very thing you're trying to do at
that moment is figure out what's hogging all the connections, but can't.

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