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etcdserver: clarify read index wait timeout warnings

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"read index" doesn't tell much about the root cause.
Most likely, the local follower node is having slow
network, thus timing out waiting to receive read
index response from leader.

Signed-off-by: Gyuho Lee <leegyuho@amazon.com>
This commit is contained in:
Gyuho Lee 2018-08-17 17:58:08 -07:00
parent 6890a9e633
commit 38711761a1
1 changed files with 2 additions and 2 deletions
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4
etcdserver/v3_server.go
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@ -693,9 +693,9 @@ func (s *EtcdServer) linearizableReadLoop() {
}
case <-time.After(s.Cfg.ReqTimeout()):
if lg != nil {
lg.Warn("timed out waiting for read index response", zap.Duration("timeout", s.Cfg.ReqTimeout()))
lg.Warn("timed out waiting for read index response (local node might have slow network)", zap.Duration("timeout", s.Cfg.ReqTimeout()))
} else {
plog.Warningf("timed out waiting for read index response")
plog.Warningf("timed out waiting for read index response (local node might have slow network)")
}
nr.notify(ErrTimeout)
timeout = true