branch-2.1: [fix](cache prune) Fix _stale_sweep_time_s not working when its value less than 0 #42281 (#51189)

github-actions[bot] · zhiqiang-hhhh · web-flow · commit c8daf2e4fb0d · 2025-06-05T12:14:24.000+08:00
Cherry-picked from #42281 Co-authored-by: zhiqiang <seuhezhiqiang@163.com>
diff --git a/be/src/runtime/memory/lru_cache_policy.h b/be/src/runtime/memory/lru_cache_policy.h
@@ -120,7 +120,7 @@ class LRUCachePolicy : public CachePolicy {
     void prune_stale() override {
         COUNTER_SET(_freed_entrys_counter, (int64_t)0);
         COUNTER_SET(_freed_memory_counter, (int64_t)0);
-        if (_stale_sweep_time_s <= 0 && _cache == ExecEnv::GetInstance()->get_dummy_lru_cache()) {
+        if (_stale_sweep_time_s <= 0 || _cache == ExecEnv::GetInstance()->get_dummy_lru_cache()) {
             return;
         }
         if (exceed_prune_limit()) {

Original file line number	Diff line number	Diff line change
`@@ -120,7 +120,7 @@ class LRUCachePolicy : public CachePolicy {`
`120`	`120`	`void prune_stale() override {`
`121`	`121`	`COUNTER_SET(_freed_entrys_counter, (int64_t)0);`
`122`	`122`	`COUNTER_SET(_freed_memory_counter, (int64_t)0);`
`123`		`- if (_stale_sweep_time_s <= 0 && _cache == ExecEnv::GetInstance()->get_dummy_lru_cache()) {`
	`123`	`+ if (_stale_sweep_time_s <= 0 \|\| _cache == ExecEnv::GetInstance()->get_dummy_lru_cache()) {`
`124`	`124`	`return;`
`125`	`125`	`}`
`126`	`126`	`if (exceed_prune_limit()) {`