delta/python-packages/qpid-python.git - git.apache.org: qpid.git

	Commit message (Collapse)	Author	Age	Files	Lines
*	Add cluster watchdog plugin to cmake build.	Alan Conway	2010-01-07	1	-1/+2
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*	QPID-2282: test_watchdog failing due to incorrect use of env. vars	Alan Conway	2009-12-16	1	-1/+1
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*	Added documentation to watchdog plugin.	Alan Conway	2009-08-14	1	-0/+22
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*	Watchdog feature to remove unresponsive cluster nodes.	Alan Conway	2009-08-10	1	-0/+114
	In some intstances (e.g. while resolving an error) it's possible for a hung process to hang the entire cluster as they wait for its response. The cluster can handle terminated processes but hung processes present a problem. If the watchdog plugin is loaded and --watchdog-interval is set then the broker forks a child process that runs a very simple watchdog program, and starts a timer in the broker process to signal the watchdog every interval/2 seconds. The watchdog kills its parent if it does not receive a signal for interval seconds. This allows a stuck broker to be removed from the cluster so other cluster members can continue. git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@802927 13f79535-47bb-0310-9956-ffa450edef68