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mvcc: chanLen 1024 is to biger,and it used more memory. (#11987)

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128 seems to be enough.
Sometimes the consumption speed is more than the production speed.

See https://github.com/etcd-io/etcd/issues/11906 for more detail.
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CFC4N 2020-06-11 05:35:48 +08:00 committed by GitHub
parent 3082a7d521
commit 26f6aee395
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mvcc/watchable_store.go
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@ -31,9 +31,8 @@ import (
var (
// chanBufLen is the length of the buffered chan
// for sending out watched events.
// TODO: find a good buf value. 1024 is just a random one that
// seems to be reasonable.
chanBufLen = 1024
// See https://github.com/etcd-io/etcd/issues/11906 for more detail.
chanBufLen = 128
// maxWatchersPerSync is the number of watchers to sync in a single batch
maxWatchersPerSync = 512