config: enable collect execution information by default (#18415) (#18518

)
pingcap · Jul 14, 2020 · 7fd538c · 7fd538c
1 parent 124388f
commit 7fd538c
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Showing 5 changed files with 7 additions and 3 deletions.
diff --git a/config/config.go b/config/config.go
@@ -681,7 +681,7 @@ var defaultConf = Config{
 		AllowAutoRandom:       false,
 		AllowsExpressionIndex: false,
 	},
-	EnableCollectExecutionInfo: false,
+	EnableCollectExecutionInfo: true,
 	EnableTelemetry:            true,
 }
 

diff --git a/distsql/select_result.go b/distsql/select_result.go
@@ -235,7 +235,7 @@ func (r *selectResult) readFromChunk(ctx context.Context, chk *chunk.Chunk) erro
 
 func (r *selectResult) updateCopRuntimeStats(detail *execdetails.ExecDetails, respTime time.Duration) {
 	callee := detail.CalleeAddress
-	if r.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl == nil || callee == "" {
+	if r.rootPlanID == nil || r.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl == nil || callee == "" {
 		return
 	}
 	if len(r.selectResp.GetExecutionSummaries()) != len(r.copPlanIDs) {

diff --git a/infoschema/tables_test.go b/infoschema/tables_test.go
@@ -880,6 +880,7 @@ func (s *testTableSuite) TestSelectHiddenColumn(c *C) {
 func (s *testTableSuite) TestStmtSummaryTable(c *C) {
 	tk := s.newTestKitWithRoot(c)
 
+	tk.MustExec("set @@tidb_enable_collect_execution_info=0;")
 	tk.MustQuery("select column_comment from information_schema.columns " +
 		"where table_name='STATEMENTS_SUMMARY' and column_name='STMT_TYPE'",
 	).Check(testkit.Rows("Statement type"))

diff --git a/planner/cascades/integration_test.go b/planner/cascades/integration_test.go
@@ -17,6 +17,7 @@ import (
 	"fmt"
 
 	. "github.com/pingcap/check"
+	"github.com/pingcap/tidb/config"
 	"github.com/pingcap/tidb/kv"
 	"github.com/pingcap/tidb/session"
 	"github.com/pingcap/tidb/sessionctx/variable"
@@ -33,6 +34,8 @@ type testIntegrationSuite struct {
 }
 
 func newStoreWithBootstrap() (kv.Storage, error) {
+	// TODO: remove this and find out the root cause of race.
+	config.GetGlobalConfig().EnableCollectExecutionInfo = false
 	store, err := mockstore.NewMockTikvStore()
 	if err != nil {
 		return nil, err

diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go
@@ -496,7 +496,7 @@ const (
 	DefTiDBMetricSchemaRangeDuration   = 60 // 60s
 	DefTiDBFoundInPlanCache            = false
 	DefTiDBSlowLogMasking              = false
-	DefTiDBEnableCollectExecutionInfo  = false
+	DefTiDBEnableCollectExecutionInfo  = true
 	DefTiDBAllowAutoRandExplicitInsert = false
 	DefTiDBEnableTelemetry             = true
 )