Re: uring regression - lost write request

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On Mon, Nov 15, 2021 at 7:55 AM Jens Axboe <axboe@xxxxxxxxx> wrote:
>
> On 11/14/21 1:33 PM, Daniel Black wrote:
> > On Fri, Nov 12, 2021 at 10:44 AM Jens Axboe <axboe@xxxxxxxxx> wrote:
> >>
> >> Alright, give this one a go if you can. Against -git, but will apply to
> >> 5.15 as well.
> >
> >
> > Works. Thank you very much.
> >
> > https://jira.mariadb.org/browse/MDEV-26674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=205599#comment-205599
> >
> > Tested-by: Marko Mäkelä <marko.makela@xxxxxxxxxxx>
>
> The patch is already upstream (and in the 5.15 stable queue), and I
> provided 5.14 patches too.

Jens,

I'm getting the same reproducer on 5.14.20
(https://bugzilla.redhat.com/show_bug.cgi?id=2018882#c3) though the
backport change logs indicate 5.14.19 has the patch.

Anything missing?

ext4 again (my mount is /dev/mapper/fedora_localhost--live-home on
/home type ext4 (rw,relatime,seclabel)).

previous container should work, thought a source option is there:

build deps: liburing-dev, bison, libevent-dev, ncurses-dev, c++
libraries/compiler

git clone --branch 10.6 --single-branch
https://github.com/MariaDB/server mariadb-server
(cd mariadb-server; git submodule update --init --recursive)
mkdir build-mariadb-server
cd build-mariadb-server
cmake -DPLUGIN_{MROONGA,ROCKSDB,CONNECT,SPIDER,SPHINX,S3,COLUMNSTORE}=NO
../mariadb-server
(ensure liburing userspace is picked up)
cmake --build . --parallel
mysql-test/mtr  --mysqld=--innodb_use_native_aio=1 --nowarnings
--parallel=4 --force encryption.innochecksum{,,,,,}

Adding to mtr: --mysqld=--innodb_io_capacity=50000
--mysqld=--innodb_io_capacity_max=90000 will probably trip this
quicker.


5.15.3 is good (https://jira.mariadb.org/browse/MDEV-26674?focusedCommentId=206787&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-206787).




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