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RE: mysql & xen - is anyone using this combinationsuccessfully?
> I'm beginning to wonder whether it's safe to use mysql on xen
> in a live environment.

We've tended to do our testing with PostgreSQL, but we obviously want
mysql to work perfectly too.

Are you just running with the glibc tls disabled? If so, its possible
that its an incompatibility with the old thread library that it falls
back to.

The best soloution is to install a 'xen friendly' glibc for your
installation. What distro are you running?

The othe ralternative is to not disable tls by mv'ing the directory out
the way, but to leave it active. You'll get some loss of performance,
but it should be executed correctly.

Another interesting datapoint would be to try the unstable.bk tree. It's
still a bit 'raw', but providing you're just using the features present
in 2.x its actually pretty stable.

If anyone has a simple recipe for deterministically provoking this issue
it would be good to know.

Best,
Ian

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Re: RE: mysql & xen - is anyone using this combinationsuccessfully? [ In reply to ]
Matthias Pfafferodt wrote:
> Hallo Paul,
>
> I don't know if it is the same problem. You could check if you use the
> Berkeley DB and try without it. The SuSE RPM mysql-Max adds the Berkeley
> DB and InnoDB to the mysql server. Without this RPM mysql is working fine.
> Amavis also has problems using the Berkeley DB so I think this is the
> problem.
>
> Matthias

Getting a problem here with OpenLDAP, also using Berkeley DB....

Xen testing / 2.6.11 kernel

--

-Barry Flanagan

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Re: RE: mysql & xen - is anyone using this combinationsuccessfully? [ In reply to ]
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Barry Flanagan wrote, On 25/05/05 14:25:
> Matthias Pfafferodt wrote:
>
>>Hallo Paul,
>>
>>I don't know if it is the same problem. You could check if you use the
>>Berkeley DB and try without it. The SuSE RPM mysql-Max adds the Berkeley
>>DB and InnoDB to the mysql server. Without this RPM mysql is working fine.
>> Amavis also has problems using the Berkeley DB so I think this is the
>>problem.
>>
>>Matthias
>
>
> Getting a problem here with OpenLDAP, also using Berkeley DB....
>
> Xen testing / 2.6.11 kernel
>

I'm pretty sure I'm not using the Berkeley DB. I've tried with the default
MySQL download (not the max); I don't believe that it even has the Berkeley DB
code in it.

I *am* using InnoDB, though.

- --
Paul Laws
Analyst / Programmer

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Re: RE: mysql & xen - is anyone using this combinationsuccessfully? [ In reply to ]
> Getting a problem here with OpenLDAP, also using Berkeley DB....
>
> Xen testing / 2.6.11 kernel

What distro are you on? Maybe your Berkeley DB is tickling the same issue
for some reason.

Cheers,
Mark

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