store/tikv: do gc parallel (#5850)

* do gc parallel
pingcap · Feb 9, 2018 · b43c41c · b43c41c
1 parent 151f6d0
commit b43c41c
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Showing 3 changed files with 209 additions and 89 deletions.
diff --git a/cmd/benchdb/main.go b/cmd/benchdb/main.go
@@ -27,7 +27,6 @@ import (
 	"github.com/pingcap/tidb/store/tikv"
 	"github.com/pingcap/tidb/terror"
 	"github.com/pingcap/tidb/util/logutil"
-	"golang.org/x/net/context"
 )
 
 var (
@@ -76,8 +75,6 @@ func main() {
 			ut.updateRangeRows(spec)
 		case "select":
 			ut.selectRows(spec)
-		case "gc":
-			ut.manualGC(nil)
 		case "query":
 			ut.query(spec)
 		default:
@@ -272,24 +269,6 @@ func (ut *benchDB) selectRows(spec string) {
 	})
 }
 
-// manualGC manually triggers GC and sends to done channel after finished.
-func (ut *benchDB) manualGC(done chan bool) {
-	cLog("GC started")
-	start := time.Now()
-	ver, err := ut.store.CurrentVersion()
-	if err != nil {
-		log.Fatal(err)
-	}
-	err = tikv.RunGCJob(context.Background(), ut.store, ver.Ver, "benchDB")
-	if err != nil {
-		log.Fatal(err)
-	}
-	cLog("GC finished, duration ", time.Since(start))
-	if done != nil {
-		done <- true
-	}
-}
-
 func (ut *benchDB) query(spec string) {
 	strs := strings.Split(spec, ":")
 	sql := strs[0]