WebbShardedLRUCache. 该类继承Cache接口,并且和所有的LRUCache一样都会加锁,但是不同的是ShardedLRUCache可以定义多个LRUCache分别处理不同的hash取模之后的缓存处 … Webb7 feb. 2024 · 一.基本的数据结构. 为了督促自己认真的阅读LevelDB源码,同时记录下相关的收获,避免阅后即忘,因此在Blog中记录下LevelDB源码分析的相关内容。. 本文会介 …
[Leveldb] Source code analysis of the second Cache module ...
Webbtype ShardedLRUCache; func NewShardedLRUCache(capacity, shardCount int64) *ShardedLRUCache; func (s *ShardedLRUCache) Get(key Key) (Value, bool) func (s … WebbShardedLRUCache: This is designed to reduce the frequent unlock unlocking expenses. The idea of partitioning is used to divide different elements into different Lrucache. … hiking water sandal for wide feet
All olap scanner hang at ShardedLRUCache
WebbShardedLRUCache. Multiple LRUCaches balance the cache tasks of all data in a namespace to form a shardedLRU cache This can reduce the competition when … WebbShardedLRUCache [2] 是在 LRUCache [3] 上包装了一层分片——根据 key 的哈希值的前 4 位( kNumShardBits [4] )分 16 个( kNumShards [5] ) LRUCache。 分片的作用是减少多 … Webb14 maj 2014 · Even if LRU cache is sharded into ShardedLRUCache, we can still see lock contentions, especially table caches. We further address this issue in two way: (1) Bypassing table caches. A table cache maintains list of SST table’s read handlers. small white sores on tip of tongue