store/tikv: enlarge default committer-concurrency to avoid queuing (#…

…23720)
pingcap · Mar 31, 2021 · f64856b · f64856b
1 parent b8b5151
commit f64856b
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Showing 4 changed files with 4 additions and 4 deletions.
diff --git a/config/config.toml.example b/config/config.toml.example
@@ -286,7 +286,7 @@ txn-total-size-limit = 104857600
 txn-entry-size-limit = 6291456
 
 # The max number of running concurrency two phase committer request for an SQL.
-committer-concurrency = 16
+committer-concurrency = 128
 
 # max lifetime of transaction ttl manager.
 max-txn-ttl = 3600000

diff --git a/metrics/grafana/tidb.json b/metrics/grafana/tidb.json
@@ -3855,7 +3855,7 @@
           },
           "yaxes": [
             {
-              "format": "s",
+              "format": "ns",
               "label": null,
               "logBase": 2,
               "max": null,

diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go
@@ -1644,7 +1644,7 @@ func (batchExe *batchExecutor) process(batches []batchMutations) error {
 		}
 	}
 	close(exitCh)
-	metrics.TiKVTokenWaitDuration.Observe(batchExe.tokenWaitDuration.Seconds())
+	metrics.TiKVTokenWaitDuration.Observe(float64(batchExe.tokenWaitDuration.Nanoseconds()))
 	return err
 }
 

diff --git a/store/tikv/config/config.go b/store/tikv/config/config.go
@@ -55,7 +55,7 @@ type Config struct {
 // DefaultConfig returns the default configuration.
 func DefaultConfig() Config {
 	return Config{
-		CommitterConcurrency:  16,
+		CommitterConcurrency:  128,
 		MaxTxnTTL:             60 * 60 * 1000, // 1hour
 		ServerMemoryQuota:     0,
 		TiKVClient:            DefaultTiKVClient(),