Sailesh Krishnamurthy wrote:
> >>>>> "Tom" == Tom Lane <tgl@sss.pgh.pa.us> writes:
>
> Tom> Sailesh Krishnamurthy <sailesh@cs.berkeley.edu> writes:
> >> Why not have the traditional approach of a lock table in shared
> >> memory, growing and shrinking as appropriate,
>
> Tom> Because we can't grow shared memory. Whatever size we get at
> Tom> startup is what we're stuck with. (I suppose we could try
> Tom> asking the kernel for additional segments, but there's every
> Tom> likelihood that that will fail.)
>
> We implemented a Shared Memory MemoryContext using OSSP libmm (used in
> Apache) for TelegraphCQ.
>
> If you think it's useful I can submit it as a patch.
>
> --
> Pip-pip
> Sailesh
> http://www.cs.berkeley.edu/~sailesh
^^^^^^^^^^^^^^^
Watch out, that code from Berkeley usually is a mess. :-)
Seriously, though, it would be good to see what you guys are up to.
-- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610)
359-1001+ If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square,
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