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more statistics on timing #960

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yichengq opened this issue Aug 26, 2014 · 1 comment
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more statistics on timing #960

yichengq opened this issue Aug 26, 2014 · 1 comment
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@yichengq
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area/performance
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v3.0.0-alpha.0

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@yichengq
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Inspired by #915:

current etcd counts the total time for each AppendEntry RPC, and it varies a lot when leader changes frequently.

Personally i cannot infer root cause from it:

  1. RPC time includes both the time for network transmission, state machine handling and disk I/O.
  2. minimum, maximum and variance cannot give me the whole view of RPC. Maybe it is Normal distribution, or it could be binomial distribution.

More statistics could help us to figure out which part could be the problem for etcd cluster.
This was referenced Aug 27, 2014
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@xiang90 xiang90 added this to the v0.5.0 milestone Nov 30, 2014
@xiang90 xiang90 modified the milestones: v0.6.0, v0.5.0 Dec 13, 2014
@xiang90 xiang90 mentioned this issue Dec 15, 2014
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@xiang90
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xiang90 commented Dec 15, 2014

duplicate with #1867

@xiang90 xiang90 closed this as completed Dec 15, 2014
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