statistics: stats cache set default quota as 20%

hawkingrei · hawkingrei · commit ba089710c4eb · 2024-12-05T17:44:18.000+08:00
Signed-off-by: Weizhen Wang &lt;wangweizhen@pingcap.com&gt;
diff --git a/pkg/statistics/handle/cache/internal/lfu/lfu_cache.go b/pkg/statistics/handle/cache/internal/lfu/lfu_cache.go
@@ -75,7 +75,7 @@ func NewLFU(totalMemCost int64) (*LFU, error) {
 }
 
 // adjustMemCost adjusts the memory cost according to the total memory cost.
-// When the total memory cost is 0, the memory cost is set to 15% of the total memory.
+// When the total memory cost is 0, the memory cost is set to 20% of the total memory.
 func adjustMemCost(totalMemCost int64) (result int64, err error) {
 	if totalMemCost == 0 {
 		memTotal, err := memory.MemTotal()

Original file line number	Diff line number	Diff line change
`@@ -75,7 +75,7 @@ func NewLFU(totalMemCost int64) (*LFU, error) {`
`75`	`75`	`}`
`76`	`76`
`77`	`77`	`// adjustMemCost adjusts the memory cost according to the total memory cost.`
`78`		`-// When the total memory cost is 0, the memory cost is set to 15% of the total memory.`
	`78`	`+// When the total memory cost is 0, the memory cost is set to 20% of the total memory.`
`79`	`79`	`func adjustMemCost(totalMemCost int64) (result int64, err error) {`
`80`	`80`	`if totalMemCost == 0 {`
`81`	`81`	`memTotal, err := memory.MemTotal()`