license: don't hit EnvOrDefaultInt64 in hot path

Fixes cockroachdb#133088. Release note: None Epic: None
cthumuluru-crdb · Oct 29, 2024 · 089eb3c · 089eb3c
1 parent 987dd38
commit 089eb3c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/pkg/server/license/enforcer.go b/pkg/server/license/enforcer.go
@@ -614,10 +614,12 @@ func (e *Enforcer) getGracePeriodDuration(defaultAndMaxLength time.Duration) tim
 	return newLength
 }
 
+var maxOpenTxnsDuringThrottle = envutil.EnvOrDefaultInt64("COCKROACH_MAX_OPEN_TXNS_DURING_THROTTLE", defaultMaxOpenTransactions)
+
 // getMaxOpenTransactions returns the number of open transactions allowed before
 // throttling takes affect.
 func (e *Enforcer) getMaxOpenTransactions() int64 {
-	newLimit := envutil.EnvOrDefaultInt64("COCKROACH_MAX_OPEN_TXNS_DURING_THROTTLE", defaultMaxOpenTransactions)
+	newLimit := maxOpenTxnsDuringThrottle
 	if tk := e.GetTestingKnobs(); tk != nil && tk.OverrideMaxOpenTransactions != nil {
 		newLimit = *tk.OverrideMaxOpenTransactions
 	}