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From: Jens Axboe <axboe@kernel.dk>
To: Daniel Black <daniel@mariadb.org>
Cc: Salvatore Bonaccorso <carnil@debian.org>,
	Pavel Begunkov <asml.silence@gmail.com>,
	linux-block@vger.kernel.org, io-uring@vger.kernel.org
Subject: Re: uring regression - lost write request
Date: Thu, 11 Nov 2021 08:29:19 -0700	[thread overview]
Message-ID: <c6d6bffe-1770-c51d-11c6-c5483bde1766@kernel.dk> (raw)
In-Reply-To: <1bd48c9b-c462-115c-d077-1b724d7e4d10@kernel.dk>

On 11/11/21 7:58 AM, Jens Axboe wrote:
> On 11/11/21 7:30 AM, Jens Axboe wrote:
>> On 11/10/21 11:52 PM, Daniel Black wrote:
>>>> Would it be possible to turn this into a full reproducer script?
>>>> Something that someone that knows nothing about mysqld/mariadb can just
>>>> run and have it reproduce. If I install the 10.6 packages from above,
>>>> then it doesn't seem to use io_uring or be linked against liburing.
>>>
>>> Sorry Jens.
>>>
>>> Hope containers are ok.
>>
>> Don't think I have a way to run that, don't even know what podman is
>> and nor does my distro. I'll google a bit and see if I can get this
>> running.
>>
>> I'm fine building from source and running from there, as long as I
>> know what to do. Would that make it any easier? It definitely would
>> for me :-)
> 
> The podman approach seemed to work, and I was able to run all three
> steps. Didn't see any hangs. I'm going to try again dropping down
> the innodb pool size (box only has 32G of RAM).
> 
> The storage can do a lot more than 5k IOPS, I'm going to try ramping
> that up.
> 
> Does your reproducer box have multiple NUMA nodes, or is it a single
> socket/nod box?

Doesn't seem to reproduce for me on current -git. What file system are
you using?

-- 
Jens Axboe


  reply	other threads:[~2021-11-11 15:29 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-22  3:12 uring regression - lost write request Daniel Black
2021-10-22  9:10 ` Pavel Begunkov
2021-10-25  9:57   ` Pavel Begunkov
2021-10-25 11:09     ` Daniel Black
2021-10-25 11:25       ` Pavel Begunkov
2021-10-30  7:30         ` Salvatore Bonaccorso
2021-11-01  7:28           ` Daniel Black
2021-11-09 22:58             ` Daniel Black
2021-11-09 23:24               ` Jens Axboe
2021-11-10 18:01                 ` Jens Axboe
2021-11-11  6:52                   ` Daniel Black
2021-11-11 14:30                     ` Jens Axboe
2021-11-11 14:58                       ` Jens Axboe
2021-11-11 15:29                         ` Jens Axboe [this message]
2021-11-11 16:19                           ` Jens Axboe
2021-11-11 16:55                             ` Jens Axboe
2021-11-11 17:28                               ` Jens Axboe
2021-11-11 23:44                                 ` Jens Axboe
2021-11-12  6:25                                   ` Daniel Black
2021-11-12 19:19                                     ` Salvatore Bonaccorso
2021-11-14 20:33                                   ` Daniel Black
2021-11-14 20:55                                     ` Jens Axboe
2021-11-14 21:02                                       ` Salvatore Bonaccorso
2021-11-14 21:03                                         ` Jens Axboe
2021-11-24  3:27                                       ` Daniel Black
2021-11-24 15:28                                         ` Jens Axboe
2021-11-24 16:10                                           ` Jens Axboe
2021-11-24 16:18                                             ` Greg Kroah-Hartman
2021-11-24 16:22                                               ` Jens Axboe
2021-11-24 22:52                                                 ` Stefan Metzmacher
2021-11-25  0:58                                                   ` Jens Axboe
2021-11-25 16:35                                                     ` Stefan Metzmacher
2021-11-25 17:11                                                       ` Jens Axboe
2022-02-09 23:01                                                       ` Stefan Metzmacher
2022-02-10  0:10                                                         ` Daniel Black
2021-11-24 22:57                                                 ` Daniel Black

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