Use this item together with storage_page_cache_limit, you can accelerate query performance in scenarios with sufficient memory resources and much data scan. By storing the intermediate results of local aggregations in. The default value of this item has.
Organization
Starrocks provides multiple caching mechanisms that significantly improve query performance by caching hot data to the memory or disk of local be and cn nodes. Data cache loads data from remote storage in. The size of these pages is not fixed.
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Caching 📄️ query cache the query cache is a powerful feature of starrocks that can greatly enhance the performance of aggregate queries.
Query the block cache and page cache hit rates. Data cache loads data from remote storage in. This section briefly introduces memory classification and starrocks’ methods of managing memory. The default value of this item has.
Therefore, the performance is directly related to the local cache medium. This reduces repeated access to. Use this item together with storage_page_cache_limit, you can accelerate query performance in scenarios with sufficient memory resources and much data scan. Api call since v3.3.2, starrocks provides two apis to get cache metrics, which reflect the cache state at different levels:
With data cache, starrocks essentially accesses local memory or disk instead of the remote storage.
