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#1: pgBouncer for connection pooling

Posted on 2010-08-23 16:38:14 by Kieren Scott

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Hi=2C

I have a web-based application (drupal) which uses PHP to make connections =
to a back-end postgresql 8.3 server. The application and database are on se=
parate servers=2C but as we can get 20+ concurrent connections on the datab=
ase I've looked at pgBouncer to try and reduce the overhead of new connecti=
ons on the database. I currently have pgBouncer running on the same server =
as my postgres database but I was wondering whether this is a recommended s=
etup - are the performance benefits of using a connection pooler overshadow=
ed by the overhead of running pgBouncer on the same server as the database?

How are other people using pgBouncer? E.g. on a separate server from the da=
tabase etc...?

Thanks in advance.
=

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<html>
<head>
<style></style>
</head>
<body class=3D'hmmessage'>
Hi=2C I have a web-based application (drupal) which uses PHP to make=
connections to a back-end postgresql 8.3 server. The application and datab=
ase are on separate servers=2C but as we can get 20+ concurrent connections=
on the database I've looked at pgBouncer to try and reduce the overhead of=
new connections on the database. I currently have pgBouncer running on the=
same server as my postgres database but I was wondering whether this is a =
recommended setup - are the performance benefits of using a connection pool=
er overshadowed by the overhead of running pgBouncer on the same server as =
the database? How are other people using pgBouncer? E.g. on a separa=
te server from the database etc...? Thanks in advance. =
</body>
</html>=

--_d16c902b-344d-418a-a65c-5be5b6b1d768_--

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#2: Re: pgBouncer for connection pooling

Posted on 2010-08-23 18:02:31 by Joshua Drake

On Mon, 2010-08-23 at 14:38 +0000, Kieren Scott wrote:
> Hi,
>
> I have a web-based application (drupal) which uses PHP to make
> connections to a back-end postgresql 8.3 server. The application and
> database are on separate servers, but as we can get 20+ concurrent
> connections on the database I've looked at pgBouncer to try and reduce
> the overhead of new connections on the database. I currently have
> pgBouncer running on the same server as my postgres database but I was
> wondering whether this is a recommended setup - are the performance
> benefits of using a connection pooler overshadowed by the overhead of
> running pgBouncer on the same server as the database?
>
> How are other people using pgBouncer? E.g. on a separate server from
> the database etc...?

We use it in both on separate boxes as well as local. As long as your
machine is handling the connection processing of the pooler fine, I
wouldn't worry about it. There are some specific high end off machine
things you can do (point at different databases on different machines
from a single pooler) that is cool but for just a Drupal website it is
probably not required.

JD

--
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Command Prompt, Inc: http://www.commandprompt.com/ - 509.416.6579
Consulting, Training, Support, Custom Development, Engineering
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#3: Re: pgBouncer for connection pooling

Posted on 2010-08-23 21:55:55 by Kieren Scott

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Many thanks.

> Subject: Re: [ADMIN] pgBouncer for connection pooling
> From: jd@commandprompt.com
> To: kierenscott@hotmail.com
> CC: pgsql-admin@postgresql.org
> Date: Mon=2C 23 Aug 2010 09:02:31 -0700
>=20
> On Mon=2C 2010-08-23 at 14:38 +0000=2C Kieren Scott wrote:
> > Hi=2C
> >=20
> > I have a web-based application (drupal) which uses PHP to make
> > connections to a back-end postgresql 8.3 server. The application and
> > database are on separate servers=2C but as we can get 20+ concurrent
> > connections on the database I've looked at pgBouncer to try and reduce
> > the overhead of new connections on the database. I currently have
> > pgBouncer running on the same server as my postgres database but I was
> > wondering whether this is a recommended setup - are the performance
> > benefits of using a connection pooler overshadowed by the overhead of
> > running pgBouncer on the same server as the database?
> >=20
> > How are other people using pgBouncer? E.g. on a separate server from
> > the database etc...?
>=20
> We use it in both on separate boxes as well as local. As long as your
> machine is handling the connection processing of the pooler fine=2C I
> wouldn't worry about it. There are some specific high end off machine
> things you can do (point at different databases on different machines
> from a single pooler) that is cool but for just a Drupal website it is
> probably not required.
>=20
> JD
>=20
> --=20
> PostgreSQL.org Major Contributor
> Command Prompt=2C Inc: http://www.commandprompt.com/ - 509.416.6579
> Consulting=2C Training=2C Support=2C Custom Development=2C Engineering
> http://twitter.com/cmdpromptinc | http://identi.ca/commandprompt
>=20
>=20
> --=20
> Sent via pgsql-admin mailing list (pgsql-admin@postgresql.org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-admin
=

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<html>
<head>
<style></style>
</head>
<body class=3D'hmmessage'>
Many thanks. &gt=3B Subject: Re: [ADMIN] pgBouncer for connection po=
oling &gt=3B From: jd@commandprompt.com &gt=3B To: kierenscott@hotmai=
l.com &gt=3B CC: pgsql-admin@postgresql.org &gt=3B Date: Mon=2C 23 Au=
g 2010 09:02:31 -0700 &gt=3B &gt=3B On Mon=2C 2010-08-23 at 14:38 +0=
000=2C Kieren Scott wrote: &gt=3B &gt=3B Hi=2C &gt=3B &gt=3B &gt=
=3B &gt=3B I have a web-based application (drupal) which uses PHP to make<b=
r>&gt=3B &gt=3B connections to a back-end postgresql 8.3 server. The applic=
ation and &gt=3B &gt=3B database are on separate servers=2C but as we ca=
n get 20+ concurrent &gt=3B &gt=3B connections on the database I've look=
ed at pgBouncer to try and reduce &gt=3B &gt=3B the overhead of new conn=
ections on the database. I currently have &gt=3B &gt=3B pgBouncer runnin=
g on the same server as my postgres database but I was &gt=3B &gt=3B won=
dering whether this is a recommended setup - are the performance &gt=3B =
&gt=3B benefits of using a connection pooler overshadowed by the overhead o=
f &gt=3B &gt=3B running pgBouncer on the same server as the database?<br=
>&gt=3B &gt=3B &gt=3B &gt=3B How are other people using pgBouncer? E.g.=
on a separate server from &gt=3B &gt=3B the database etc...? &gt=3B =
 &gt=3B We use it in both on separate boxes as well as local. As long as=
your &gt=3B machine is handling the connection processing of the pooler=
fine=2C I &gt=3B wouldn't worry about it. There are some specific high =
end off machine &gt=3B things you can do (point at different databases o=
n different machines &gt=3B from a single pooler) that is cool but for j=
ust a Drupal website it is &gt=3B probably not required. &gt=3B &=
gt=3B JD &gt=3B &gt=3B -- &gt=3B PostgreSQL.org Major Contributo=
r &gt=3B Command Prompt=2C Inc: http://www.commandprompt.com/ - 509.416.=
6579 &gt=3B Consulting=2C Training=2C Support=2C Custom Development=2C E=
ngineering &gt=3B http://twitter.com/cmdpromptinc | http://identi.ca/com=
mandprompt &gt=3B &gt=3B &gt=3B -- &gt=3B Sent via pgsql-adm=
in mailing list (pgsql-admin@postgresql.org) &gt=3B To make changes to y=
our subscription: &gt=3B http://www.postgresql.org/mailpref/pgsql-admin<=
br> </body>
</html>=

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#4: Re: pgBouncer for connection pooling

Posted on 2010-08-24 06:15:34 by Benjamin Krajmalnik

This is a multi-part message in MIME format.

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charset="us-ascii"
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I have pgbouncer running on the same server, and I get over 2000 calls
to a php page per minute.

Each call does inserts data digests into partitioned tables.

I also have a multi-threaded daemon connected to the same database
running background operations on the data coming in.

Works flawlessly.

BTW, 20 connections is not a heavy load at all.

In my application, pgbouncer has opened about 60 backends to handle the
cases where I have a high oncurrency of data coming in at once, but
usually the # non-idle connections is < 10.

=20

=20

From: pgsql-admin-owner@postgresql.org
[mailto:pgsql-admin-owner@postgresql.org] On Behalf Of Kieren Scott
Sent: Monday, August 23, 2010 8:38 AM
To: pgsql-admin@postgresql.org
Subject: [ADMIN] pgBouncer for connection pooling

=20

Hi,

I have a web-based application (drupal) which uses PHP to make
connections to a back-end postgresql 8.3 server. The application and
database are on separate servers, but as we can get 20+ concurrent
connections on the database I've looked at pgBouncer to try and reduce
the overhead of new connections on the database. I currently have
pgBouncer running on the same server as my postgres database but I was
wondering whether this is a recommended setup - are the performance
benefits of using a connection pooler overshadowed by the overhead of
running pgBouncer on the same server as the database?

How are other people using pgBouncer? E.g. on a separate server from the
database etc...?

Thanks in advance.

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<body lang=3DEN-US link=3Dblue vlink=3Dpurple>

<div class=3DWordSection1>

I have pgbouncer running on the same server, and I get =
over 2000
calls to a php page per minute.<o:p></o:p>

Each call does inserts data digests into partitioned =
tables.<o:p></o:p>

I also have a multi-threaded daemon connected to the same
database running background operations on the data coming =
in.<o:p></o:p>

Works flawlessly.<o:p></o:p>

BTW, 20 connections is not a heavy load at =
all.<o:p></o:p>

In my application, pgbouncer has opened about 60 backends =
to
handle the cases where I have a high oncurrency of data coming in at =
once, but
usually the # non-idle connections is < 10.<o:p></o:p>

<o:p> </o:p>

<o:p> </o:p>

<div style=3D'border:none;border-left:solid blue 1.5pt;padding:0in 0in =
0in 4.0pt'>

<div>

<div style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt =
0in 0in 0in'>

From:=

pgsql-admin-owner@postgresql.org =
[mailto:pgsql-admin-owner@postgresql.org] On
Behalf Of Kieren Scott 
Sent: Monday, August 23, 2010 8:38 AM 
To: pgsql-admin@postgresql.org 
Subject: [ADMIN] pgBouncer for connection =
pooling<o:p></o:p>

</div>

</div>

<o:p> </o:p>

Hi, 
 
I have a web-based application (drupal) which uses PHP to make =
connections to a
back-end postgresql 8.3 server. The application and database are on =
separate servers,
but as we can get 20+ concurrent connections on the database I've looked =
at
pgBouncer to try and reduce the overhead of new connections on the =
database. I
currently have pgBouncer running on the same server as my postgres =
database but
I was wondering whether this is a recommended setup - are the =
performance
benefits of using a connection pooler overshadowed by the overhead of =
running
pgBouncer on the same server as the database? 
 
How are other people using pgBouncer? E.g. on a separate server from the
database etc...? 
 
Thanks in advance.<o:p></o:p>

</div>

</div>

</body>

</html>

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#5: Re: pgBouncer for connection pooling

Posted on 2010-08-24 12:39:58 by Kieren Scott

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Thanks Benjamin.
Most of the time the database only has 5-6 connections=2C however we occasi=
onally get a flood of connections which can mean 60+ connections (when a co=
mpany email is sent out with a link to a web page)=2C so I'm looking to han=
dle these spikes in connections as best I can :-)

Kieren

Subject: Re: [ADMIN] pgBouncer for connection pooling
Date: Mon=2C 23 Aug 2010 22:15:34 -0600
From: kraj@servoyant.com
To: kierenscott@hotmail.com=3B pgsql-admin@postgresql.org

I have pgbouncer running on the same server=2C and I get over 2000
calls to a php page per minute.

Each call does inserts data digests into partitioned tables.

I also have a multi-threaded daemon connected to the same
database running background operations on the data coming in.

Works flawlessly.

BTW=2C 20 connections is not a heavy load at all.

In my application=2C pgbouncer has opened about 60 backends to
handle the cases where I have a high oncurrency of data coming in at once=
=2C but
usually the # non-idle connections is < 10.

=20

=20

From:
pgsql-admin-owner@postgresql.org [mailto:pgsql-admin-owner@postgresql.org] =
On
Behalf Of Kieren Scott

Sent: Monday=2C August 23=2C 2010 8:38 AM

To: pgsql-admin@postgresql.org

Subject: [ADMIN] pgBouncer for connection pooling

=20

Hi=2C

I have a web-based application (drupal) which uses PHP to make connections =
to a
back-end postgresql 8.3 server. The application and database are on separat=
e servers=2C
but as we can get 20+ concurrent connections on the database I've looked at
pgBouncer to try and reduce the overhead of new connections on the database=
.. I
currently have pgBouncer running on the same server as my postgres database=
but
I was wondering whether this is a recommended setup - are the performance
benefits of using a connection pooler overshadowed by the overhead of runni=
ng
pgBouncer on the same server as the database?

How are other people using pgBouncer? E.g. on a separate server from the
database etc...?

Thanks in advance.

=

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<html>
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<body class=3D'hmmessage'>
Thanks Benjamin. Most of the time the database only has 5-6 connections=
=2C however we occasionally get a flood of connections which can mean 60+ c=
onnections (when a company email is sent out with a link to a web page)=2C =
so I'm looking to handle these spikes in connections as best I can :-) <=
br>Kieren <hr id=3D"stopSpelling">Subject: Re: [ADMIN] pgBouncer for=
connection pooling Date: Mon=2C 23 Aug 2010 22:15:34 -0600 From: kra=
j@servoyant.com To: kierenscott@hotmail.com=3B pgsql-admin@postgresql.or=
g 

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I have pgbouncer =
running on the same server=2C and I get over 2000
calls to a php page per minute.

Each call does in=
serts data digests into partitioned tables.

I also have a mul=
ti-threaded daemon connected to the same
database running background operations on the data coming in.

Works flawlessly.=


BTW=2C 20 connect=
ions is not a heavy load at all.

In my application=
=2C pgbouncer has opened about 60 backends to
handle the cases where I have a high oncurrency of data coming in at once=
=2C but
usually the # non-idle connections is &lt=3B 10.

&nbsp=3B</=
p>

&nbsp=3B</=
p>

<div style=3D"border-width: medium medium medium 1.5pt=3B border-style: non=
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From:
pgsql-admin-owner@postgresql.org [mailto:pgsql-admin-owner@postgresql.org] =
On
Behalf Of Kieren Scott 
Sent: Monday=2C August 23=2C 2010 8:38 AM 
To: pgsql-admin@postgresql.org 
Subject: [ADMIN] pgBouncer for connection pooling

</div>

</div>

&nbsp=3B

Hi=2C 
 
I have a web-based application (drupal) which uses PHP to make connections =
to a
back-end postgresql 8.3 server. The application and database are on separat=
e servers=2C
but as we can get 20+ concurrent connections on the database I've looked at
pgBouncer to try and reduce the overhead of new connections on the database=
.. I
currently have pgBouncer running on the same server as my postgres database=
but
I was wondering whether this is a recommended setup - are the performance
benefits of using a connection pooler overshadowed by the overhead of runni=
ng
pgBouncer on the same server as the database? 
 
How are other people using pgBouncer? E.g. on a separate server from the
database etc...? 
 
Thanks in advance.

</div>

</div> </body>
</html>=

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