Re: getting to beta

Heikki Linnakangas <heikki.linnakangas@enterprisedb.com> writes:
> On 06.04.2011 17:46, Tom Lane wrote:
>> I confess to not having been reading the discussions about SSI very
>> much, but ... do we actually care whether there's a free-for-all?
>> What's the downside to letting the remaining shmem get claimed by
>> whichever table uses it first?

> It's leads to odd behavior. You start the database, and your application 
> runs fine. Then you restart the database, and now you get "out of shared 
> memory" errors from transactions that used to work.

If you get "out of shared memory" at all due to SSI, I'd say that that's
the problem, not exactly when it happens.  I thought that the patch
included provisions for falling back to coarser-grained locks whenever
it was short of resources.
        regards, tom lane