*** This bug is a duplicate of bug 675185 ***
https://bugs.launchpad.net/bugs/675185
** This bug has been marked a duplicate of bug 675185
[Hardy SRU] dash bug causes mysqld_safe to spin at 100% CPU
* You can subscribe to bug 675185 by following this link:
If it's hard to reproduce for you, I'm having it every now and then on
my Ubuntu 9.04 server 64-bit, and I am willing to enable logs and do
anything necessary to help you.
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mysqd_safe high cpu usage
https://bugs.launchpad.net/bugs/105457
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It seems to be a dash bug, partly fixed by:
http://git.kernel.org/?p=utils/dash/dash.git;a=commit;h=3800d4934391b144fd261a7957aea72ced7d47ea
And this bug should be fixed, it's still present in Hardy, and Hardy
support should stop April 21, 2011, not in 2010.
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mysqd_safe high cpu usage
Please also note that the mysql bug may not be present in karmic because
mysqld_safe was rewriting, but the dash bug is still here.
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Server Team, which is
** Also affects: server-papercuts
Importance: Undecided
Status: New
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mysqd_safe high cpu usage
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Not a server papercut. The bug has been opened for a long time as it's
not reliably reproducible.
This bug will probably be marked as won't fix as mysqld_safe should be
replaced by an upstart job.
** Changed in: server-papercuts
Status: New = Invalid
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mysqd_safe high cpu usage
came across this on ubuntu karmic alpha 5 , It was nice enough to share
the cpu and luckily after rebooting the cpu usage was fine.
Having to reboot was disappointing.
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@Kieran Hogg
This should be resolved in 5.1.37-1ubuntu3
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I'm now getting this for the first time after upgrading to
5.1.37-1ubuntu2.
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Happens to me, too. Killing the mysqld_safe works, but I guess that is
only temporary?
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I woke up this morning and found I was experiencing this issue on 9.04
(final, standard desktop version). I also saw two instances of
mysql_safe with one eating all the CPU. I installed mytop but didn't
see anything happening, and /etc/init.d/mysql restart did not help.
Both mysql.log and
We already know that the bug is triggered by something that restart
the mysql process (On my server it sometimes even occurs when I run
/etc/init.d/mysql restart)
2009/6/3 NickA sdnick...@gmail.com:
I woke up this morning and found I was experiencing this issue on 9.04
(final, standard desktop
I got this behavior when mysql got uninstalled when I ran apt-get
autoremove.
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I've got this problem on Ubuntu 9.04 RC (Mythbuntu). Dang strange database
behavior.
It seems mysql sometimes boots okay but sometimes it boots and I can't
connect to it.
That behavior sounds like Bug 326768
(https://bugs.launchpad.net/ubuntu/+source/mysql-dfsg-5.0/+bug/326768).
It may
( Sorry for not attaching that, guys. )
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Hello all,
I've experienced this problem today.
I'm feeling lazy, so I'll let you observe:
thor:/var/log$ uname -a
Linux thor 2.6.24-23-generic #1 SMP Mon Jan 26 00:13:11 UTC 2009 i686 GNU/Linux
thor:~$ cat /etc/issue
Ubuntu 8.04.2 \n \l
thor:~$ sudo apt-get install mysql-server mysql-client
** Changed in: mysql-dfsg-5.0 (Ubuntu)
Status: Confirmed = Triaged
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I can confirm the same problem. @foucault: I was running an amazon EC2
instance, AMI-ID: ami-7efd1a17 (http://alestic.com/), 32 bit, 8.04.
And I also had 2 running mysqld_safe processes, one running wild, the
other one as expected. (kinda easy to overlook the other process if you
are just hunting
Same here -- 100% CPU with 32-bit iron (no virtualization). On Hardy
that should be long term supported.
It's quite serious, can anyone from Canonical comment on this?
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Just squashed this bug on yet another server I think this only affects
32bit xen-kernal virtual instances, slicehost amazon ec2 etc. care to
confirm, comment?
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I also have this problem, very annoying. I killed the process and
changed the /etc/init.d/mysql script. It seems to work but maybe it will
come back..
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How come this bugs importance is set to low? My virtual host is unusable
when this bug happens and sometimes even apache starts failing because
of the high load.
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Confirm, this is happening to me...
2.6.22-14-generic #1 SMP Tue Dec 18 08:02:57 UTC 2007 i686 GNU/Linux
I have these mysql packages installed
ii mysql-client-5.0 5.0.45-1ubuntu3.3 MySQL
database client binaries
ii mysql-common
init.d/mysql script: ERR_LOGGER=
This did not help me.
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adding SLEEP 3 to mysqld_safe script did not help
also I noticed that init.d/mysql stop did not stop the process, i had to
kill XX manually
and then restart. I have both sleep 3 and ER_LOGGER= in place and its
still juping between 80-99%
reverting to old setting and begging my thread stalk :)
found what I think the msql bug might be:
http://bugs.mysql.com/bug.php?id=35647
I saw two copies of mysql_d running ...
I solved it for now, by both editing the /etc/init.d/mysql and starting
and stopping mysql a bunch.
I commented out sanity check, as per the suggestion here
** Also affects: mysql-dfsg-5.0 (Debian) via
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=499192
Importance: Unknown
Status: Unknown
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Deleting the Pid file made no difference.
I used sudo top and killed the two Mysql_safe processes and all is ok
now.
If and when it returns I will post the conditions of return.
I hope these clues help to squish the bug.
John.
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mysqd_safe high cpu usage
I just checked, the gazillion VFS lines noted above are continuing inside of
/var/log/syslog. The workaround may not be totally effective yet, unless there
is some other problem on my system.
John.
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You received this bug
FYI, someone has filed a bug report on Debian, too, see
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=499192. (Maybe
there're duplicates, I don't know.)
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the mysqld_safe script is where the bug is. it loops at full throttle.
just an a sleep # in and it slows the looping. crazy that it eats up so
many cpu cycles so fast! but non-attached shell scripts can spin in loop
like this.
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https://bugs.launchpad.net/bugs/105457
I had a fresh install of Ubuntu Hardy with MySQL 5.0.51 and found the
mysqld_safe using 100% CPU. The fix I did was edit the init.d/mysql
script:
ERR_LOGGER=
I've got a ton of nodes, so I don't often sift through these logs anyway
-- YMMV
CaT
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I suspect some sort of race condition between two mysql_safe processes.
At least, every time I experienced this bug, there were at last two
mysql_safe processes active, and at least one of them was running amok.
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You received
This is hitting me really hard on a cluster I run with several users
having ubuntu instances. Many instances are using 100% CPU due to this
bug and causing the overall degradation of service I can provide on my
cluster.
It needs to be fixed, the rating Importance: low is entirely bogus.
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I'm in agreement with William. I, too, run VPS's for several users and
offer Ubuntu as a choice. When they run MySQL, CPU usage is through the
roof, killing any hope in hell for equal CPU rights with other users.
The low importance is probably due to the fact that Cancomical
realises that no one
I experienced this bug three times in two weeks. On my system, it
implies that my backups take two hours instead of 10 minutes. On other
systems, it may silently render the backup plan (or other maintainance)
impossible, and this is no fun anymore. In my personal opinion, this is
even critical.
Can someone confirm Eskimo's report? Actually, mysqld_safe is part of
mysql-server-5.0, so I can't really believe that this disables it.
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I agree with Paul van Genderen, estaticdeath's solution didn't work for
me, either.
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estaticdeath: although I did have the mysql-server meta package, your
solution didn't work for me. I wouldn't consider this bug triaged yet
until there's a real solution. Thanks for your efforts though!
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Thank you estaticdeath. Your solution works well !
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nevermind MrTuTu.
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hey guys, the solution was to not install both mysql-server (meta
package depending on the latest version) and mysql-server-5.0 (MySQL
database server binaries), i just remove both and reinstall mysql-
server-5.0 and it done well !
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