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From Jon Yeargers <jon.yearg...@cedexis.com>
Subject effect of high IOWait on KStream app?
Date Fri, 16 Dec 2016 20:00:31 GMT
Looking for reasons why my installations seem to be generating so many
issues:

Starting an app which is

stream->aggregate->filter->foreach

While it's running the system in question (AWS) averages >10% IOWait with
spikes to 60-70%.  The CPU load is in the range of 3/2/1 (8 core machine w/
16G RAM)

Could this IO delay be causing problems? The 'kafka-streams' folder is on a
separate EBS optimized volume with 2500 dedicated IOPs.

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