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From bugzi...@apache.org
Subject [Bug 60071] Child httpd processes crash with Segmentation fault when enabling more than 1 healthcheck
Date Wed, 18 Jan 2017 18:43:56 GMT
https://bz.apache.org/bugzilla/show_bug.cgi?id=60071

Yann Ylavic <ylavic.dev@gmail.com> changed:

           What    |Removed                     |Added
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  Attachment #34620|0                           |1
        is obsolete|                            |

--- Comment #38 from Yann Ylavic <ylavic.dev@gmail.com> ---
Created attachment 34642
  --> https://bz.apache.org/bugzilla/attachment.cgi?id=34642&action=edit
Threads safety + single pool/bucket_alloc

The previous patch did not handle APR_EOF correctly while reading response
body, now fixed.

After the test with unpatched 2.4.25 and "ProxyHCTPsize 0" (proposed by Jim) to
valide that multithreading is the issue, could you please try this new patch
(with default/no ProxyHCTPsize this time) to verify that multithreading would
work (without locking)?

Multithreading is nice when (some) backends start to respond slowly/timeout.
BTW, we probably shouldn't start a new check for a backend that did not finish
with the previous one (should its timeout be above the watchdog's pediod), but
that's a different story we won't ask you to test here ;)

Thanks Endika for all this testing.

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