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From Denis Magda <dma...@gridgain.com>
Subject Re: Stopping the node in order to prevent cluster wide instability.
Date Wed, 04 May 2016 11:32:24 GMT

Please properly subscribe to the user list (this way we will not have to
manually approve your emails). All you need to do is send an email to ì
user-subscribe@ignite.apache.orgî and follow simple instructions in the

Upon your questions. Most likely the node, that was stopped, became
segmented: was kicked out of the topology by some reason. Look for "local
node segmented" message is the log.

More often the reason is either is a slow network connection when a node
can't reply on a message during IgniteConfiguration.failureDetectionTimeout
or a long GC pauses.

I would suggest that there are no long GC pauses first. Refer to this page
for more details on how to gather GC logs [1]. If you see pauses bigger than
10 secs (default value of IgniteConfiguration.failureDetectionTimeout) then
this is the reason why the node was segmented and you have to tune Java heap
[2] and/or your app.



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