Date:   Wed, 1 Dec 2021 12:42:05 -0500
From:   Bruce Fields <bfields@fieldses.org>
To:     dai.ngo@oracle.com
Cc:     Chuck Lever III <chuck.lever@oracle.com>,
        Linux NFS Mailing List <linux-nfs@vger.kernel.org>,
        "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH RFC v5 0/2] nfsd: Initial implementation of NFSv4
 Courteous Server
Message-ID: <20211201174205.GB26415@fieldses.org>
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On Wed, Dec 01, 2021 at 09:36:30AM -0500, Bruce Fields wrote:
> OK, good to know.  It'd be interesting to dig into where nfsdcltrack is
> spending its time, which we could do by replacing it with a wrapper that
> runs the real nfsdcltrack under strace.
> 
> Though maybe it'd be better to do this on a system using nfsdcld, since
> that's what we're transitioning to.

Trying that on a test VM here, I see each upcall doing 3 fdatasyncs() of
an sqlite-journal file.  On my setup, each of those is taking a few
milliseconds.  I wonder if it an do better.

--b.