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allow lock tolerance to match storage-class drive tolerance (#10270)

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Harshavardhana
2020-08-14 18:17:14 -07:00
committed by GitHub
parent 1d1c4430b2
commit 83a82d818e
7 changed files with 89 additions and 42 deletions
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23
cmd/namespace-lock.go
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@@ -28,6 +28,7 @@ import (
"fmt"
"time"
"github.com/minio/minio/cmd/config/storageclass"
"github.com/minio/minio/cmd/logger"
"github.com/minio/minio/pkg/dsync"
"github.com/minio/minio/pkg/lsync"
@@ -147,7 +148,18 @@ func (di *distLockInstance) GetLock(timeout *dynamicTimeout) (timedOutErr error)
lockSource := getSource(2)
start := UTCNow()
if !di.rwMutex.GetLock(di.ctx, di.opsID, lockSource, timeout.Timeout()) {
// Lockers default to standard storage class always, why because
// we always dictate storage tolerance in terms of standard
// storage class be it number of drives or a multiplicative
// of number of nodes, defaulting lockers to this value
// simply means that locking is always similar in behavior
// and effect with erasure coded drive tolerance.
tolerance := globalStorageClass.GetParityForSC(storageclass.STANDARD)
if !di.rwMutex.GetLock(di.ctx, di.opsID, lockSource, dsync.Options{
Timeout: timeout.Timeout(),
Tolerance: tolerance,
}) {
timeout.LogFailure()
return OperationTimedOut{}
}
@@ -164,7 +176,14 @@ func (di *distLockInstance) Unlock() {
func (di *distLockInstance) GetRLock(timeout *dynamicTimeout) (timedOutErr error) {
lockSource := getSource(2)
start := UTCNow()
if !di.rwMutex.GetRLock(di.ctx, di.opsID, lockSource, timeout.Timeout()) {
// Lockers default to standard storage class always.
tolerance := globalStorageClass.GetParityForSC(storageclass.STANDARD)
if !di.rwMutex.GetRLock(di.ctx, di.opsID, lockSource, dsync.Options{
Timeout: timeout.Timeout(),
Tolerance: tolerance,
}) {
timeout.LogFailure()
return OperationTimedOut{}
}