性能调优参数不准确
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@shuke987 is already working on this.
Since Apr 29, 2021.
area/engine
type/bugfix
- Dominant language
- Python
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Description
File: /benchmark/benchmark-tidb-using-sysbench.md
如何用 Sysbench 测试 TiDB 中TiKV 配置：
以 40 GB 内存的虚拟机部署一个 TiKV 为例，其 block cache 建议配置如下:
server_configs:
tikv:
log-level: "error"
rocksdb.defaultcf.block-cache-size: "24GB"
rocksdb.writecf.block-cache-size: "6GB"
而在所指向的TiKV 内存参数性能调优 中指出
rocksdb.defaultcf.block-cache-size 或系统全部内存的 25%
rocksdb.writecf.block-cache-size 或系统全部内存的 15%
与前文描述不相符。
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