xinyiZzz commented on code in PR #28940:
URL: https://github.com/apache/doris/pull/28940#discussion_r1437507785
##########
be/src/olap/lru_cache.cpp:
##########
@@ -667,4 +669,43 @@ void ShardedLRUCache::update_cache_metrics() const {
total_lookup_count == 0 ? 0 : ((double)total_hit_count /
total_lookup_count));
}
+Cache::Handle* DummyLRUCache::insert(const CacheKey& key, void* value, size_t
charge,
+ void (*deleter)(const CacheKey& key,
void* value),
+ CachePriority priority, size_t bytes) {
+ size_t handle_size = sizeof(LRUHandle) - 1 + key.size();
+ auto* e = reinterpret_cast<LRUHandle*>(malloc(handle_size));
+ g_doris_cache_dummy_usage_num << 1;
Review Comment:
fixed
##########
be/src/olap/lru_cache.cpp:
##########
@@ -667,4 +669,43 @@ void ShardedLRUCache::update_cache_metrics() const {
total_lookup_count == 0 ? 0 : ((double)total_hit_count /
total_lookup_count));
}
+Cache::Handle* DummyLRUCache::insert(const CacheKey& key, void* value, size_t
charge,
+ void (*deleter)(const CacheKey& key,
void* value),
+ CachePriority priority, size_t bytes) {
+ size_t handle_size = sizeof(LRUHandle) - 1 + key.size();
+ auto* e = reinterpret_cast<LRUHandle*>(malloc(handle_size));
+ g_doris_cache_dummy_usage_num << 1;
+ e->value = value;
+ e->deleter = deleter;
+ e->charge = charge;
+ e->key_length = key.size();
+ e->total_size = 0;
+ e->bytes = 0;
+ e->hash = 0;
+ e->refs = 1; // only one for the returned handle
+ e->next = e->prev = nullptr;
+ e->in_cache = false;
+ e->priority = priority;
+ memcpy(e->key_data, key.data(), key.size());
+ return reinterpret_cast<Cache::Handle*>(e);
+}
+
+void DummyLRUCache::release(Cache::Handle* handle) {
+ if (handle == nullptr) {
+ return;
+ }
+ auto* e = reinterpret_cast<LRUHandle*>(handle);
+ e->free();
+ g_doris_cache_dummy_usage_num << -1;
Review Comment:
fixed
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