> In the case of high system memory and load pressure, we ran ltp test
> and found that the system was stuck, the direct memory reclaim was
> all stuck in io_schedule
> For the first time involving the swap part, there is no good way to fix
> the problem
The solution is protecting the clean file
On Fri, 2 Apr 2021 15:03:37 +0800 Stillinux wrote:
> In the case of high system memory and load pressure, we ran ltp test
> and found that the system was stuck, the direct memory reclaim was
> all stuck in io_schedule, the waiting request was stuck in the blk_plug
> flow of one process, and this
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