On Thu, Nov 5, 2015 at 10:36 AM, Fabien COELHO wrote:
After some more thoughts, ISTM that this is not exactly a CFD because of the
truncations, so I just named it "f" to be on the safe side.
Was there supposed to be a patch attached here?
No, the actual patch is in the "add function to pgb
On Thu, Nov 5, 2015 at 10:36 AM, Fabien COELHO wrote:
> After some more thoughts, ISTM that this is not exactly a CFD because of the
> truncations, so I just named it "f" to be on the safe side.
Was there supposed to be a patch attached here?
--
Robert Haas
EnterpriseDB: http://www.enterprisedb
I've done some work on the documentation as part of adding functions to
pgbench expression. You may have a look at:
http://www.postgresql.org/message-id/alpine.DEB.2.10.1511051256500.29177@sto
[...]
CDF2(x) = PHI(2.0 * threshold * ...) / (2.0 * PHI(threshold) - 1.0)
and then the probabilit
On Sun, Oct 25, 2015 at 7:12 PM, Tomas Vondra
wrote:
>> By default, or when uniform is specified, all values in the range are
>> drawn with equal probability. Specifying gaussian or exponential
>> options modifies this behavior; each requires a mandatory threshold
>> which determines the precise s
I was not only thinking of mathematical figures, I was also thinking of
graphics, some format may be zip containing XML stuff for instance.
But we don't need it here, so why should we care about it too much?
I was just digressing about the main subject:-) Having some graphics in
the doc wou
On 10/25/2015 10:01 PM, Fabien COELHO wrote:
[...]
So either the information is important and then should be placed in
the docs directly, or it's not and then linking to wikipedia is
pointless because the users are not interested in learning all the
details about each distribution function.
[...]
So either the information is important and then should be placed in the
docs directly, or it's not and then linking to wikipedia is pointless
because the users are not interested in learning all the details about
each distribution function.
What is important is that these distributio
On 10/25/2015 08:11 PM, Fabien COELHO wrote:
Hello Tomas,
I've been looking at the checkpoint patches (sorting, flush and FPW
compensation) and realized we got gaussian/exponential distributions
in pgbench which is useful for simulating simple non-uniform workloads.
Indeed.
But I think t
Hello Tomas,
I've been looking at the checkpoint patches (sorting, flush and FPW
compensation) and realized we got gaussian/exponential distributions in
pgbench which is useful for simulating simple non-uniform workloads.
Indeed.
But I think the current docs is a bit too difficult to unders
Hi,
I've been looking at the checkpoint patches (sorting, flush and FPW
compensation) and realized we got gaussian/exponential distributions in
pgbench which is useful for simulating simple non-uniform workloads.
But I think the current docs is a bit too difficult to understand for
people wi
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