fix:block_cache_size

Author: brother-jin

src/pika_server.cc

@@ -1479,12 +1479,21 @@ void PikaServer::InitStorageOptions() {
   storage_options_.table_options.pin_l0_filter_and_index_blocks_in_cache =
       g_pika_conf->pin_l0_filter_and_index_blocks_in_cache();
 
-  if (storage_options_.block_cache_size == 0) {
-    storage_options_.table_options.no_block_cache = true;
-  } else if (storage_options_.share_block_cache) {
-    storage_options_.table_options.block_cache =
-        rocksdb::NewLRUCache(storage_options_.block_cache_size, static_cast<int>(g_pika_conf->num_shard_bits()));
-  }
+    if (storage_options_.block_cache_size == 0) {
+        storage_options_.table_options.no_block_cache = true;
+        storage_options_.table_options.block_cache.reset();
+    } else if (storage_options_.share_block_cache) {
+        // 共享模式：直接复用已创建好的全局 cache（PikaServer 成员）
+        storage_options_.table_options.no_block_cache = false;
+        assert(share_block_cache_ && "shared_block_cache_ must be initialized before InitStorageOptions()");
+        storage_options_.table_options.block_cache = shared_block_cache_;
+    } else {
+        // 非共享模式：为当前 CF/实例单独创建
+        storage_options_.table_options.no_block_cache = false;
+        storage_options_.table_options.block_cache =
+                rocksdb::NewLRUCache(storage_options_.block_cache_size,
+                                     static_cast<int>(g_pika_conf->num_shard_bits()));
+    }
   storage_options_.options.rate_limiter =
       std::shared_ptr<rocksdb::RateLimiter>(
           rocksdb::NewGenericRateLimiter(