** Changed in: ubuntu-release-notes
Status: New = Fix Released
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Title:
mysqld: errno: 24 - Too many open files
To manage
** Changed in: mysql-5.6 (Ubuntu)
Milestone: ubuntu-15.04 = None
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Title:
mysqld: errno: 24 - Too many open files
To manage
Thanks Akhil. I'll mark this bug as Invalid then, although we should
mention this in our release notes.
** Also affects: ubuntu-release-notes
Importance: Undecided
Status: New
** Changed in: mysql-5.6 (Ubuntu)
Status: Triaged = Invalid
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Hi Robie,
The internal assessment here is that most appropriate solution would be
the one you have mentioned as the last option.
It would be easier if user owns the responsibility for creating and
managing the MySQL service file under /etc with following settings or
more as needed:
[Service]
I'm reluctant to raise the default limit to infinity because this may
introduce a security vulnerability due to select() macro overflow. See
https://lists.ubuntu.com/archives/ubuntu-
devel/2010-September/031446.html for details. If someone from upstream
can confirm definitely that MySQL definitely
added below
LimitNOFILE = infinity
LimitMEMLOCK = infinity
and made the team
systemctl daemon-reload
helped, thanks for the tip
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/lib/systemd/system/mysql.service
[Unit]
Description=MySQL Community Server
After=network.target
After=syslog.target
[Install]
WantedBy=multi-user.target
Alias=mysql.service
[Service]
User=mysql
Group=mysql
PermissionsStartOnly=true
ExecStartPre=/usr/share/mysql/mysql-systemd-start pre
@postadelmaga (postadelmaga)
file is not present, that this file should be?
these are:
LimitNOFILE = infinity
LimitMEMLOCK = infinity
what else?
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@cooolman
do you have this file on your system
`/lib/systemd/system/mysqld.service` ?
I'm not sure why but if you boot with systemd you are supposed to set
the limits in service file first:
LimitNOFILE=infinity
LimitMEMLOCK=infinity
After that mysqld service will be allowed to open more
It's already tagged systemd-boot, which is enough to make it appear on
our radar (https://bugs.launchpad.net/ubuntu/+bugs?field.tag=systemd-
boot)
** No longer affects: systemd (Ubuntu)
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the same problem, I can not change
in my.cnf
max_connections = 65535
open_files_limit = 65535
in /etc/sysctl.conf
fs.file-max = 2459688
in /etc/security/limits.conf
www-data soft nofile 65535
www-data hard nofile 65535
mysql soft nofile 65535
mysql hard nofile 65535
root soft nofile 65535
root
uname -a
Linux ubuntu 3.19.0-10-generic #10-Ubuntu SMP Mon Mar 23 16:16:45 UTC 2015 i686
i686 i686 GNU/Lin
mysql -V
mysql Ver 14.14 Distrib 5.6.23, for debian-linux-gnu (i686) using EditLine
wrapper
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I re-added systemd because It affect the systemd boot option so I think
it is good to have it listed with other problems with systemd and vivid.
( maybe it is bad idea in that case remove it )
** Also affects: systemd (Ubuntu)
Importance: Undecided
Status: New
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** Tags added: mysql-5.6-transition
** Changed in: mysql-5.6 (Ubuntu)
Milestone: None = ubuntu-15.04
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Title:
mysqld:
I'm a developer and I have 3/5 db on my machine, each one with many
table ( 100+ ) however the main point is that using upstart I don't have
issues, ideally the systemd behavior should be the same ...
On my machine, I'm on 15.04, /lib/systemd/system/mysqld.service is missing,
which package
Hey postadelmaga: the file is in /lib/systemd/system/mysqld.service in
debian and ubuntu. Those services are shipped in the mysql package, so
closing the systemd tag (adding the tag though).
I looked at mysql upstream, and their service files doesn't let the
limit of files to opened up. Do you
** Package changed: mysql-5.5 (Ubuntu) = mysql-5.6 (Ubuntu)
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Title:
mysqld: errno: 24 - Too many open files
To manage
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