Re: [LSF/MM/BPF TOPIC] Measuring limits and enhancing buffered IO

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Kent Overstreet <kent.overstreet@xxxxxxxxx>
Subject: Re: [LSF/MM/BPF TOPIC] Measuring limits and enhancing buffered IO
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Tue, 27 Feb 2024 09:07:01 -0800
Cc: Al Viro <viro@xxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Luis Chamberlain <mcgrof@xxxxxxxxxx>, lsf-pc@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-mm <linux-mm@xxxxxxxxx>, Daniel Gomez <da.gomez@xxxxxxxxxxx>, Pankaj Raghav <p.raghav@xxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Chris Mason <clm@xxxxxx>, Johannes Weiner <hannes@xxxxxxxxxxx>
In-reply-to: <hnmf36wwh3yahmcyqlbgnhidcsgmfg4jnat2n6m2dxz655cxt7@gm7qddu2cshm>

On Tue, 27 Feb 2024 at 08:47, Kent Overstreet <kent.overstreet@xxxxxxxxx> wrote:
>
> Like I replied to willy - the "4k" was a typo from force of habit, I was
> doing 64 byte random reads.

Ok, can you send the exact fio command? I'll do some testing here too.

                  Linus

Follow-Ups:
- Re: [LSF/MM/BPF TOPIC] Measuring limits and enhancing buffered IO
  - From: Kent Overstreet

References:
- Re: [LSF/MM/BPF TOPIC] Measuring limits and enhancing buffered IO
  - From: Matthew Wilcox
- Re: [LSF/MM/BPF TOPIC] Measuring limits and enhancing buffered IO
  - From: Linus Torvalds
- Re: [LSF/MM/BPF TOPIC] Measuring limits and enhancing buffered IO
  - From: Kent Overstreet
- Re: [LSF/MM/BPF TOPIC] Measuring limits and enhancing buffered IO
  - From: Linus Torvalds
- Re: [LSF/MM/BPF TOPIC] Measuring limits and enhancing buffered IO
  - From: Al Viro
- Re: [LSF/MM/BPF TOPIC] Measuring limits and enhancing buffered IO
  - From: Linus Torvalds
- Re: [LSF/MM/BPF TOPIC] Measuring limits and enhancing buffered IO
  - From: Linus Torvalds
- Re: [LSF/MM/BPF TOPIC] Measuring limits and enhancing buffered IO
  - From: Linus Torvalds
- Re: [LSF/MM/BPF TOPIC] Measuring limits and enhancing buffered IO
  - From: Kent Overstreet
- Re: [LSF/MM/BPF TOPIC] Measuring limits and enhancing buffered IO
  - From: Linus Torvalds
- Re: [LSF/MM/BPF TOPIC] Measuring limits and enhancing buffered IO
  - From: Kent Overstreet

Prev by Date: Re: [PATCH 03/13] filemap: align the index to mapping_min_order in the page cache
Next by Date: Re: [PATCH 03/13] filemap: align the index to mapping_min_order in the page cache
Previous by thread: Re: [LSF/MM/BPF TOPIC] Measuring limits and enhancing buffered IO
Next by thread: Re: [LSF/MM/BPF TOPIC] Measuring limits and enhancing buffered IO
Index(es):
- Date
- Thread

[Index of Archives] [Linux Ext4 Filesystem] [Union Filesystem] [Filesystem Testing] [Ceph Users] [Ecryptfs] [NTFS 3] [AutoFS] [Kernel Newbies] [Share Photos] [Security] [Netfilter] [Bugtraq] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux Cachefs] [Reiser Filesystem] [Linux RAID] [NTFS 3] [Samba] [Device Mapper] [CEPH Development]