config: do not load innodb_lock_wait_timeout when to load play replayer

hawkingrei · hawkingrei · commit 053a85de722f · 2026-01-19T14:23:48.000+08:00
Signed-off-by: Weizhen Wang &lt;wangweizhen@pingcap.com&gt;
diff --git a/pkg/util/config/config.go b/pkg/util/config/config.go
@@ -27,7 +27,7 @@ import (
 	"go.uber.org/zap"
 )
 
-var blackSystemVariableForPlanReplayerLoad = map[string]struct{}{
+var ignoredSystemVariablesForPlanReplayerLoad = map[string]struct{}{
 	"innodb_lock_wait_timeout": {}, // It is unncessary to load this variable for plan replayer.
 }
 
@@ -42,7 +42,7 @@ func LoadConfig(ctx sessionctx.Context, v io.ReadCloser) (unLoadVars []string, e
 	unLoadVars = make([]string, 0)
 	vars := ctx.GetSessionVars()
 	for name, value := range varMap {
-		if _, ok := blackSystemVariableForPlanReplayerLoad[name]; ok {
+		if _, ok := ignoredSystemVariablesForPlanReplayerLoad[name]; ok {
 			continue
 		}
 		sysVar := variable.GetSysVar(name)

Original file line number	Diff line number	Diff line change
`@@ -27,7 +27,7 @@ import (`
`27`	`27`	`"go.uber.org/zap"`
`28`	`28`	`)`
`29`	`29`
`30`		`-var blackSystemVariableForPlanReplayerLoad = map[string]struct{}{`
	`30`	`+var ignoredSystemVariablesForPlanReplayerLoad = map[string]struct{}{`
`31`	`31`	`"innodb_lock_wait_timeout": {}, // It is unncessary to load this variable for plan replayer.`
`32`	`32`	`}`
`33`	`33`
`@@ -42,7 +42,7 @@ func LoadConfig(ctx sessionctx.Context, v io.ReadCloser) (unLoadVars []string, e`
`42`	`42`	`unLoadVars = make([]string, 0)`
`43`	`43`	`vars := ctx.GetSessionVars()`
`44`	`44`	`for name, value := range varMap {`
`45`		`- if _, ok := blackSystemVariableForPlanReplayerLoad[name]; ok {`
	`45`	`+ if _, ok := ignoredSystemVariablesForPlanReplayerLoad[name]; ok {`
`46`	`46`	`continue`
`47`	`47`	`}`
`48`	`48`	`sysVar := variable.GetSysVar(name)`