mirror of https://github.com/tikv/client-go.git
72 lines
2.4 KiB
Go
72 lines
2.4 KiB
Go
// Copyright 2021 TiKV Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package txnsnapshot
|
|
|
|
import (
|
|
"github.com/pingcap/kvproto/pkg/kvrpcpb"
|
|
"github.com/tikv/client-go/v2/config/retry"
|
|
"github.com/tikv/client-go/v2/internal/locate"
|
|
)
|
|
|
|
// SnapshotProbe exposes some snapshot utilities for testing purpose.
|
|
type SnapshotProbe struct {
|
|
*KVSnapshot
|
|
}
|
|
|
|
// MergeRegionRequestStats merges RPC runtime stats into snapshot's stats.
|
|
func (s SnapshotProbe) MergeRegionRequestStats(rpcStats *locate.RegionRequestRuntimeStats) {
|
|
s.mergeRegionRequestStats(rpcStats)
|
|
}
|
|
|
|
// RecordBackoffInfo records backoff stats into snapshot's stats.
|
|
func (s SnapshotProbe) RecordBackoffInfo(bo *retry.Backoffer) {
|
|
s.recordBackoffInfo(bo)
|
|
}
|
|
|
|
// MergeExecDetail merges exec stats into snapshot's stats.
|
|
func (s SnapshotProbe) MergeExecDetail(detail *kvrpcpb.ExecDetailsV2) {
|
|
s.mergeExecDetail(detail)
|
|
}
|
|
|
|
// FormatStats dumps information of stats.
|
|
func (s SnapshotProbe) FormatStats() string {
|
|
s.mu.Lock()
|
|
defer s.mu.Unlock()
|
|
return s.mu.stats.String()
|
|
}
|
|
|
|
// BatchGetSingleRegion gets a batch of keys from a region.
|
|
func (s SnapshotProbe) BatchGetSingleRegion(bo *retry.Backoffer, region locate.RegionVerID, keys [][]byte, collectF func(k, v []byte)) error {
|
|
return s.batchGetSingleRegion(bo, batchKeys{region: region, keys: keys}, BatchGetSnapshotTier, collectF)
|
|
}
|
|
|
|
// NewScanner returns a scanner to iterate given key range.
|
|
func (s SnapshotProbe) NewScanner(start, end []byte, batchSize int, reverse bool) (*Scanner, error) {
|
|
return newScanner(s.KVSnapshot, start, end, batchSize, reverse)
|
|
}
|
|
|
|
// ConfigProbe exposes configurations and global variables for testing purpose.
|
|
type ConfigProbe struct{}
|
|
|
|
// GetScanBatchSize returns the batch size to scan ranges.
|
|
func (c ConfigProbe) GetScanBatchSize() int {
|
|
return DefaultScanBatchSize
|
|
}
|
|
|
|
// GetGetMaxBackoff returns the max sleep for get command.
|
|
func (c ConfigProbe) GetGetMaxBackoff() int {
|
|
return getMaxBackoff
|
|
}
|