From: "Mkrtchyan, Tigran" <tigran.mkrtchyan@desy.de>
To: marc eshel <eshel.marc@gmail.com>
Cc: Olga Kornievskaia <aglo@umich.edu>,
schumaker anna <schumaker.anna@gmail.com>,
linux-nfs <linux-nfs@vger.kernel.org>,
Trond Myklebust <trondmy@hammerspace.com>
Subject: Re: NFS client to pNFS DS
Date: Tue, 10 Sep 2024 09:23:19 +0200 (CEST) [thread overview]
Message-ID: <2102290340.59910889.1725952999821.JavaMail.zimbra@desy.de> (raw)
In-Reply-To: <b717d82f-7eb4-475b-bd7b-e376172a2b42@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 732 bytes --]
Hi Marc,
AFAIK, 1M is the max IO size that linux nfs client will use.
linux/nfs_xdr.h:#define NFS_MAX_FILE_IO_SIZE (1048576U)
Best regards,
Tigran.
----- Original Message -----
> From: "marc eshel" <eshel.marc@gmail.com>
> To: "Tigran Mkrtchyan" <tigran.mkrtchyan@desy.de>, "Olga Kornievskaia" <aglo@umich.edu>
> Cc: "schumaker anna" <schumaker.anna@gmail.com>, "linux-nfs" <linux-nfs@vger.kernel.org>, "Trond Myklebust"
> <trondmy@hammerspace.com>
> Sent: Tuesday, 10 September, 2024 01:23:43
> Subject: Re: NFS client to pNFS DS
> Can someone explain why the NFS client is reading 1M followed by 2 reads
> of 1/2M and repeats this pattern. For pNFS or NFS4.
>
> The mount was for 4M rsize=4194304.
>
> Thanks, Marc.
[-- Attachment #2: S/MIME Cryptographic Signature --]
[-- Type: application/pkcs7-signature, Size: 2826 bytes --]
next prev parent reply other threads:[~2024-09-10 7:29 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <c4f1d8bf-745b-4a98-9d38-2da4c355d691@gmail.com>
2024-07-29 21:56 ` NFS client failure marc eshel
2024-08-05 21:51 ` NFS client to pNFS DS marc eshel
2024-08-08 14:22 ` Anna Schumaker
2024-08-08 22:07 ` Olga Kornievskaia
2024-08-09 13:06 ` Anna Schumaker
2024-08-09 14:29 ` marc eshel
[not found] ` <8ab0fd49-0c90-42bd-a34e-9dcf63a99bd5@gmail.com>
2024-08-09 15:15 ` Olga Kornievskaia
2024-08-09 16:26 ` marc eshel
2024-08-10 21:20 ` Olga Kornievskaia
2024-08-11 19:41 ` Mkrtchyan, Tigran
2024-08-11 19:50 ` marc eshel
2024-08-12 6:52 ` Mkrtchyan, Tigran
2024-08-12 14:37 ` marc eshel
2024-09-09 23:23 ` marc eshel
2024-09-10 7:23 ` Mkrtchyan, Tigran [this message]
2024-09-11 5:54 ` Marc Eshel
2024-09-13 16:46 ` pNFS client is not using the stripe value marc eshel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=2102290340.59910889.1725952999821.JavaMail.zimbra@desy.de \
--to=tigran.mkrtchyan@desy.de \
--cc=aglo@umich.edu \
--cc=eshel.marc@gmail.com \
--cc=linux-nfs@vger.kernel.org \
--cc=schumaker.anna@gmail.com \
--cc=trondmy@hammerspace.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox