Details
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Improvement
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Resolution: Fixed
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Major
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2.0
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Security Level: Public
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None
Description
Currently the performance metric calculates average disk drain rate by sampling "drain rate" from ns server metric which is another sampling data over memcached's ep_diskqueue_drain. It is more accurate to populate the average disk drain rate by directly sampling ep_diskqueue_drain via cbstats over given period time and calculating the average delta.