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From Jeff Whiting <je...@qualtrics.com>
Subject network spike every 2 hours
Date Tue, 22 Nov 2011 23:55:35 GMT
We have a hadoop cluster that is only running hbase.  We recently installed ganglia to monitor
servers.  Looking over the network graphs about every 2 hours there is a very large spike.
the spike we are pushing about 5mb but during the spikes it is around 60-100mb.  I'm pretty
sure we 
aren't running anything, is hbase doing something that could cause those spikes?


Jeff Whiting
Qualtrics Senior Software Engineer

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