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TiFlash io rate limit configuration. #6820

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TiFlash io rate limit configuration.
JinheLin Aug 6, 2021
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Deprecated experimental parameter: bg_task_io_rate_limit
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Update tiflash/tiflash-configuration.md
Co-authored-by: Flowyi <flowbehappy@gmail.com>
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TomShawn and flowbehappy authored Aug 12, 2021
commit 6390d88f2c44d296c0ab90ff0a5a48a6c68d21f5
2 changes: 1 addition & 1 deletion tiflash/tiflash-configuration.md
Original file line number Diff line number Diff line change
Expand Up @@ -86,7 +86,7 @@ delta_index_cache_size = 0
## 该配置项是 I/O 限流功能的开关,默认关闭。TiFlash 的 I/O 限流功能适用于磁盘带宽较小且磁盘带宽大小明确的云盘场景。
## I/O 限流功能限制下的读写流量总带宽,单位为 Byte,默认值为 0,即默认关闭 I/O 限流功能。
# max_bytes_per_sec = 0
## max_read_bytes_per_sec 和 max_write_bytes_per_sec 的含义和 max_bytes_per_sec 类似,分别指 I/O 限流功能限制下的读流量总带宽和写流量总带宽
## max_read_bytes_per_sec 和 max_write_bytes_per_sec 的含义和 max_bytes_per_sec 类似,分别指 I/O 限流功能限制下的读流量总带宽和写流量总带宽。
## 分别用两个配置项控制读写带宽限制,适用于一些读写带宽限制分开计算的云盘,例如 GCP 上的 persistent disk。
## 当 max_bytes_per_sec 配置不为 0 时,优先使用 max_bytes_per_sec。
# max_read_bytes_per_sec = 0
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