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Posted to bugs@httpd.apache.org by bu...@apache.org on 2016/03/14 21:07:19 UTC

[Bug 36636] database write lock taken for PROPFIND operations

https://bz.apache.org/bugzilla/show_bug.cgi?id=36636

Wim Lewis <wi...@omnigroup.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 OS|Linux                       |All
           Hardware|PC                          |All

--- Comment #20 from Wim Lewis <wi...@omnigroup.com> ---
I can confirm this problem still exists in the 2.4.x releases and in 2.5/trunk
(r1734315).

A workaround is to use mod_buffer to buffer the entire PROPFIND response before
sending it to the client:

    <If "toupper(%{REQUEST_METHOD}) == 'PROPFIND'" >
        SetOutputFilter BUFFER
    </If>

Of course this increases memory use and request latency, but it does prevent a
single client on a slow connection from locking up the entire DAV repository.

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