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Fix sysctl proposed values (#4741)

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`sched_wakeup_granularity_ns` and `sched_wakeup_granularity_ns` are measured in `ns`, so a value of `10` or `15` is way too low.
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Laurentiu Nicola 2017-08-03 00:08:58 +03:00 committed by Dee Koder
parent 6afbd502e8
commit 108decfa76
1 changed files with 2 additions and 2 deletions
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docs/deployment/kernel-tuning/README.md
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@ -57,13 +57,13 @@ Proper scheduler configuration makes sure Minio process gets adequate CPU time.
- *`sched_min_granularity_ns`*: This parameter decides the minimum time a task will be be allowed to run on CPU before being pre-empted out. We recommend setting it to 10ms. - *`sched_min_granularity_ns`*: This parameter decides the minimum time a task will be be allowed to run on CPU before being pre-empted out. We recommend setting it to 10ms.
```sh ```sh
sysctl -w kernel.sched_min_granularity_ns=10 sysctl -w kernel.sched_min_granularity_ns=10000000
``` ```
- *`sched_wakeup_granularity_ns`*: Lowering this parameter improves wake-up latency and throughput for latency critical tasks, particularly when a short duty cycle load component must compete with CPU bound components. - *`sched_wakeup_granularity_ns`*: Lowering this parameter improves wake-up latency and throughput for latency critical tasks, particularly when a short duty cycle load component must compete with CPU bound components.
```sh ```sh
sysctl -w kernel.sched_wakeup_granularity_ns=15 sysctl -w kernel.sched_wakeup_granularity_ns=15000000
``` ```
## Tuning Disks ## Tuning Disks