I was going to write a long post about how fantastic Contegix is for java hosting, but I think that this email exchange pretty much says it all:

On Apr 22, 2006, at 12:09 AM, matthew.porter@contegix.com wrote:
After multiple attempts to restart the javablogs.com system for the past 1
hour, 18 minutes, we are unable to keep the system alive.  Within minutes
of the site starting, it begins to throw OOMEs.
I have attempted to contact someone via phone at all none numbers,
including office and mobile numbers with no success.
We have currently activated the maintenance page until the problem
can be resolved.
I am still working on the problem and will update you with any progress.
Matthew E. Porter
Contegix LLC
"Beyond Managed Hosting For Your Enterprise"

And then a few hours later, still not being able to contact Atlassian:

> On Sat, Apr 22, 2006 at 02:44:11AM -0500, Contegix Support wrote:
>> Charles:
>>    Well, desperate times call for desperate measures.  :-)
>>    With the site repeatedly spiraling out of control and not being
>> able to find any way to keep it running and responsive, we decided
>> that it was as good of a time as any to go forward with the long
>> discussed plan of moving the database to the consolidated postgresql
>> 8.1 server on atlassian07 (athena).  With the maintenance page up and
>> the service stopped, we dumped the database, imported it into the new
>> database, and adjusted the javablogsContext.xml and data-sources.xml
>> files accordingly (preserving backup copies of the originals just in
>> case).
>>    So far, so good.  The site has been up and running since 02:05 CDT
>> and has been nice and quick from the start.  With the load of the
>> database now off of the server, the max heap for javablogs could most
>> likely be bumped up a bit now if deemed necessary, but I opted for
>> taking one step (albeit a rather large one) at a time.
>>    I hope that it was acceptable to have taken such drastic steps,
>> but we had reached a point where there was nothing else left to try
>> and wanted to do what we could to get the site back up and running.
>> Let us know if you have any questions or concerns.
>> Cheers,
>> -craig

Now – can your managed hosting company do this?

Mind blowing support from Contegix