[CRIU] Re, Issues dumping MySQL process

[Hui Kang]

Hi, Deyan,
I am using CRIU 1.5. I switch to the mysql version (5.5) you used and
finally it went through.

I think the problem may cased by something in mysql 5.6. Do you have any
experience. Thanks.

- Hui

On Thu, Mar 19, 2015 at 3:31 AM, Deyan Doychev <deyan at 1h.com> wrote:

> Hi,
>
> Unfortunately, I have not encountered such a problem with Percona. After
> the AIO config change I am able to dump Percona server without any hangs.
>
> Maybe you could try asking on the the CRIU mail list (criu at openvz.org)
> as I am currently using an outdated CRIU version and may misguide you.
> People there are really nice and always happy to help.
>
> Regards,
> Deyan
>
> On 03/18/2015 05:06 PM, Hui Kang wrote:
> > Hi,
> > I am using CRIU to dump a percona mysql process. First I add
> > [mysqld]
> > innodb_use_native_aio = false
> > to resolve of the issue of non-regular mapping. However, the dump
> > process hangs on
> >
> > (00.819732) Pagemap generated: 18 pages 0 holes
> > (00.819741) Pagemap generated: 2 pages 0 holes
> > (00.833712) ----------------------------------------
> > (00.836236)
> > (00.836274) Dumping core (pid: 11855)
> > (00.836283) ----------------------------------------
> > (00.836291) Obtaining personality ... (00.836430) 11855 has 0 sched
> policy
> > (00.836448)     dumping 0 nice for 11855
> > (00.836461) cg: Dumping cgroups for 11855
> > (00.836977) ----------------------------------------
> > (00.836996)
> > (00.837003) Dumping creds for 11855)
> > (00.837010) ----------------------------------------
> >
> > PID 11855 is the mysqld process. Could anyone can help?
> > Thanks.
> >
> > - Hui
> >
>
>
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