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Bug 1301758

Summary:	Backport fix for issue with graceful restart taking very long time sometimes
Product:	Red Hat Enterprise Linux 6	Reporter:	Robert Bost <rbost>
Component:	httpd	Assignee:	Luboš Uhliarik <luhliari>
Status:	CLOSED ERRATA	QA Contact:	Petr Šplíchal <psplicha>
Severity:	high	Docs Contact:
Priority:	urgent
Version:	6.7	CC:	bnater, dmasirka, jkaluza, jorton, msugaya, ohudlick, pdwyer
Target Milestone:	rc	Keywords:	ZStream
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	httpd-2.2.15-53.el6	Doc Type:	Bug Fix
Doc Text:	Due to a race condition in the termination of httpd child processes during a graceful restart, a child process could exit earlier than the main httpd process expected. Consequently, the main httpd process could try to communicate with an already exited child process, which could lead to a long delay when gracefully restarting httpd. With this update, httpd has been fixed to handle the described situation correctly, it no longer tries to communicate with exited child processes, and a graceful restart is no longer delayed.	Story Points:	---
Clone Of:
Clones:	1304712 1327624 (view as bug list)		Environment:
Last Closed:	2016-05-10 21:37:35 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1304712

Description Robert Bost 2016-01-25 22:48:19 UTC

Description of problem: Need backport of the fix for https://bz.apache.org/bugzilla/show_bug.cgi?id=54852 


Version-Release number of selected component (if applicable): httpd-2.2.15-47.el6_7


How reproducible: Reproduction steps are described in original BZ


Actual results: graceful restarts sometimes taking long time to complete


Expected results: graceful restart should happen fairly quickly

Comment 9 Jan Kaluža 2016-02-08 10:47:04 UTC

*** Bug 1304363 has been marked as a duplicate of this bug. ***

Comment 13 errata-xmlrpc 2016-05-10 21:37:35 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2016-0841.html