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Merge pull request #6475 from fanminshi/leaseparallel

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etcdserver: parallelize expired leases process
This commit is contained in:
fanmin shi 2016-09-19 16:46:31 -07:00 committed by GitHub
commit b586060812
1 changed files with 16 additions and 2 deletions
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18
etcdserver/server.go
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@ -81,6 +81,9 @@ const (
maxInFlightMsgSnap = 16
releaseDelayAfterSnapshot = 30 * time.Second
// maxPendingRevokes is the maximum number of outstanding expired lease revocations.
maxPendingRevokes = 16
)
var (
@ -619,8 +622,19 @@ func (s *EtcdServer) run() {
sched.Schedule(f)
case leases := <-expiredLeaseC:
s.goAttach(func() {
for _, l := range leases {
s.LeaseRevoke(context.TODO(), &pb.LeaseRevokeRequest{ID: int64(l.ID)})
// Increases throughput of expired leases deletion process through parallelization
c := make(chan struct{}, maxPendingRevokes)
for _, lease := range leases {
select {
case c <- struct{}{}:
case <-s.stopping:
return
}
lid := lease.ID
s.goAttach(func() {
s.LeaseRevoke(context.TODO(), &pb.LeaseRevokeRequest{ID: int64(lid)})
<-c
})
}
})
case err := <-s.errorc: