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etcdserver: increase maxGapBetweenApplyAndCommitIndex

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This exists to prevent sending too many requests that
would lead into applier falling behind Raft accepting-proposal.

Based on recent benchmarks, etcd was able to process high workloads
(2 million writes with 1K concurrent clients).

The limit 1000 is too conservative to test those high workloads.
This commit is contained in:
Gyu-Ho Lee 2016-11-09 00:55:52 -08:00
parent dbb692e50f
commit c817df1d32
1 changed files with 1 additions and 1 deletions
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2
etcdserver/v3_server.go
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@ -47,7 +47,7 @@ const (
// the applied index and committed index.
// However, if the committed entries are very heavy to apply, the gap might grow.
// We should stop accepting new proposals if the gap growing to a certain point.
maxGapBetweenApplyAndCommitIndex = 1000
maxGapBetweenApplyAndCommitIndex = 5000
)
var (