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lease: rate limit revoke runLoop #8099

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merged 1 commit into from
Jun 14, 2017
Merged

lease: rate limit revoke runLoop #8099

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8 changes: 8 additions & 0 deletions lease/lessor.go
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,10 @@ import (
const (
// NoLease is a special LeaseID representing the absence of a lease.
NoLease = LeaseID(0)

// maximum number of leases to revoke per iteration
// TODO: make this configurable?
leaseRevokeRate = 1000
)

var (
Expand Down Expand Up @@ -422,6 +426,10 @@ func (le *lessor) runLoop() {
le.mu.Unlock()

if len(ls) != 0 {
// rate limit
if len(ls) > leaseRevokeRate/2 {
ls = ls[:leaseRevokeRate/2]
}
select {
case <-le.stopC:
return
Expand Down