On 5/8/20 8:23 AM, Konstantin Khlebnikov wrote:
Without memory pressure count of negative dentries isn't bounded.
They could consume all memory and drain all other inactive caches.
Typical scenario is an idle system where some process periodically creates
temporary files and removes them. After
On 08/05/2020 17.56, Matthew Wilcox wrote:
On Fri, May 08, 2020 at 03:23:33PM +0300, Konstantin Khlebnikov wrote:
This patch implements heuristic which detects such scenarios and prevents
unbounded growth of completely unneeded negative dentries. It keeps up to
three latest negative dentry in
On Fri, May 08, 2020 at 03:23:33PM +0300, Konstantin Khlebnikov wrote:
> This patch implements heuristic which detects such scenarios and prevents
> unbounded growth of completely unneeded negative dentries. It keeps up to
> three latest negative dentry in each bucket unless they were referenced.
Without memory pressure count of negative dentries isn't bounded.
They could consume all memory and drain all other inactive caches.
Typical scenario is an idle system where some process periodically creates
temporary files and removes them. After some time, memory will be filled
with negative
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