On Mon, Apr 21, 2014 at 8:06 PM, Andrew Dunstan <and...@dunslane.net> wrote:
>
> On 04/21/2014 08:49 PM, Stephen Frost wrote:
>>
>> * Tatsuo Ishii (is...@postgresql.org) wrote:
>>>
>>> I observe performance degradation with PostgreSQL 9.3 vs 9.2 on Linux
>>> as well.  The hardware is HP DL980G7, 80 cores, 2TB mem, RHEL 6,
>>> pgbench is used (read only query), scale factor is 1,000 (DB size
>>> 15GB).
>>
>> Can you isolate the sysv-vs-mmap patch and see what happens with just
>> that change..?
>
>
>
> This is exactly why we need a benchfarm.
>
> I actually have a client working based on Greg Smith's pgbench tools.
>
> What we would need is a way to graph the results - that's something beyond
> my very rudimentary expertise in web programming. If anyone feels like
> collaborating I'd be glad to hear from them (The web site is programmed in
> perl + TemplateToolkit, but even that's not immutable. I'm open to using,
> say, node.js plus one of its templating engines.

Hm, you got me interested.  Is the data you want to visualize stored
in a database?  Got some example data? (this is pretty off topic, feel
free to contact off-list or on a new thread etc).

merlin


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