On Wed, Nov 04, 2020 at 10:59:48AM +0800, Xu Xijian wrote:

[why] When test the kernel with mysql optimization, the parameter "sched_steal_node_limit=8" is required to be added into kernel params.

Signed-off-by: Xu Xijian hdxuxijian@163.com

src/scheduler/kernel_params.cr | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/src/scheduler/kernel_params.cr b/src/scheduler/kernel_params.cr index 54438b5..546f012 100644 --- a/src/scheduler/kernel_params.cr +++ b/src/scheduler/kernel_params.cr @@ -31,6 +31,9 @@ class Job

private def set_kernel_params self["kernel_params"] = " #{kernel_common_params()} #{kernel_append_root} #{kernel_console()}"

• if "#{linux_vmlinuz_path}".includes?("mysql")

•  self["kernel_params"] += " sched_steal_node_limit=8"
  

• end

I think is should add a field like sub_kernel_params in job yaml, then we can add it to the kernel_params.

Thanks, Xueliang

end

end

2.23.0

This is ugly. What's the job file?

Please add 'kernel_params: xxx' to job.yaml instead. Or better, add to include/

Thanks, Fengguang

On Wed, Nov 04, 2020 at 10:59:48AM +0800, Xu Xijian wrote:

[why] When test the kernel with mysql optimization, the parameter "sched_steal_node_limit=8" is required to be added into kernel params.

Signed-off-by: Xu Xijian hdxuxijian@163.com

src/scheduler/kernel_params.cr | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/src/scheduler/kernel_params.cr b/src/scheduler/kernel_params.cr index 54438b5..546f012 100644 --- a/src/scheduler/kernel_params.cr +++ b/src/scheduler/kernel_params.cr @@ -31,6 +31,9 @@ class Job

private def set_kernel_params self["kernel_params"] = " #{kernel_common_params()} #{kernel_append_root} #{kernel_console()}"

• if "#{linux_vmlinuz_path}".includes?("mysql")

•  self["kernel_params"] += " sched_steal_node_limit=8"
  

• end end

end

2.23.0