juju 1.17.0 + mysql / HP > 2G

[David Cheney]

On Fri, Dec 20, 2013 at 7:32 AM, Jason Robinson <mail at jasonrobinson.me>wrote:

> Hi,
>
>
>  I and the CI use machines with 2G memory. This is about as small as
>>
> anyone will use mysql for. Juju's memory usage has changed quite a
> bit. We have seen the mysql state errors change from rare or very
> common.
>
> How much more memory does a server running MySQL with Juju use compared to
> a vanilla Ubuntu server running MySQL?
>

Hi Jason,

I don't think this is cause for alarm, yet. The Juju charm automatically
adjusts itself to a % of the amount of memory available in the VM.

Cheers

Dave


>
> I'm kind of worried hearing "2G is small" - I maintain production servers
> with less memory for small sites. Especially as Juju encourages running a
> single service on a single machine - running more small machines and less
> large ones seems to me a thing it encourages.
>
> Thanks :)
>
> Br,
> Jason
>
>
>
> On 19/12/13 19:42, Curtis Hovey-Canonical wrote:
>
>> I think I have sussed the HP mysql errors that have plagues the 1.17.0
>> development cycle.
>>
>> I and the CI use machines with 2G memory. This is about as small as
>> anyone will use mysql for. Juju's memory usage has changed quite a
>> bit. We have seen the mysql state errors change from rare or very
>> common.
>>
>> So I think https://bugs.launchpad.net/juju-core/+bug/1255242
>> (upgrade-juju and bootstrap on HP cloud broken in devel) is really
>> about mysql + juju.
>>
>> For now, I have changed CI to use more RAM. If the next few CI runs
>> don't see the error, I will consider this issue a mysql problem.
>> However we might have a user problem because "juju deploy mysql" is
>> less likely to "just work" on HP cloud.
>>
>>
>
>
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