Re: Is it possible to implement the per-node page cache for programs/libraries?

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On Wed, Sep 01, 2021 at 02:25:34PM +0000, Huang Shijie wrote:
> On Wed, Sep 01, 2021 at 01:30:45PM +0000, Huang Shijie wrote:
> > On Wed, Sep 01, 2021 at 04:25:01AM +0100, Matthew Wilcox wrote:
> > > On Wed, Sep 01, 2021 at 11:07:41AM +0800, Shijie Huang wrote:
> > > >     In the NUMA, we only have one page cache for each file. For the
> > > > program/shared libraries, the
> > > > remote-access delays longer then the  local-access.
> > > > 
> > > > So, is it possible to implement the per-node page cache for
> > > > programs/libraries?
> > > 
> > > At this point, we have no way to support text replication within a
> > > process.  So what you're suggesting (if implemented) would work for
> > 
> > I created a glibc patch which can do the text replication within a process.
> The "text replication" means the shared libraries, not program itself.

Is it really worthwhile to do only the shared libraries?




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