Re: [HACKERS] Got no response last time on setsockopt post, so I thought I would reiterate.

2007-06-11 Thread Dann Corbit
> -Original Message- > From: Tom Lane [mailto:[EMAIL PROTECTED] > Sent: Monday, June 11, 2007 5:12 PM > To: Dann Corbit > Cc: pgsql-hackers@postgresql.org; Larry McGhaw > Subject: Re: [HACKERS] Got no response last time on setsockopt post, so I > thought I would

Re: [HACKERS] Got no response last time on setsockopt post, so I thought I would reiterate.

2007-06-11 Thread Tom Lane
"Dann Corbit" <[EMAIL PROTECTED]> writes: > May I suggest: > http://www-didc.lbl.gov/TCP-tuning/setsockopt.html > http://www.ncsa.uiuc.edu/People/vwelch/net_perf/tcp_windows.html I poked around on those pages and almost immediately came across http://www.psc.edu/networking/projects/tcptune/ which

Re: [HACKERS] Got no response last time on setsockopt post, so I thought I would reiterate.

2007-06-11 Thread Dann Corbit
> -Original Message- > From: Andrew Dunstan [mailto:[EMAIL PROTECTED] > Sent: Monday, June 11, 2007 4:35 PM > To: Dann Corbit > Cc: Tom Lane; pgsql-hackers@postgresql.org; Larry McGhaw > Subject: Re: [HACKERS] Got no response last time on setsockopt post, so I > thou

Re: [HACKERS] Got no response last time on setsockopt post, so I thought I would reiterate.

2007-06-11 Thread Andrew Dunstan
Dann Corbit wrote: However, I won't twist your arm. I just wanted to be sure that those at the PostgreSQL organization were aware of this simple trick. Our products run on: Aix BeOS Hpux Linux (everywhere, including mainframe zLinux) MVS SunOS Solaris OpenVMS Alpha OpenVMS VAX OpenVMS Itanium

Re: [HACKERS] Got no response last time on setsockopt post, so I thought I would reiterate.

2007-06-11 Thread Dann Corbit
> -Original Message- > From: Greg Smith [mailto:[EMAIL PROTECTED] > Sent: Monday, June 11, 2007 4:09 PM > To: Dann Corbit > Cc: pgsql-hackers@postgresql.org > Subject: Re: [HACKERS] Got no response last time on setsockopt post, so I > thought I would reiterate. >

Re: [HACKERS] Got no response last time on setsockopt post, so I thought I would reiterate.

2007-06-11 Thread Greg Smith
On Mon, 11 Jun 2007, Dann Corbit wrote: These two calls make our remote queries via libpq about twice as fast on average. Can you comment a bit on what your remote queries are typically doing? You'll need to provide at least an idea what type of test case you're seeing the improvement on for

Re: [HACKERS] Got no response last time on setsockopt post, so I thought I would reiterate.

2007-06-11 Thread Dann Corbit
> -Original Message- > From: Tom Lane [mailto:[EMAIL PROTECTED] > Sent: Monday, June 11, 2007 3:41 PM > To: Dann Corbit > Cc: pgsql-hackers@postgresql.org; Larry McGhaw > Subject: Re: [HACKERS] Got no response last time on setsockopt post, so I > thought I would

Re: [HACKERS] Got no response last time on setsockopt post, so I thought I would reiterate.

2007-06-11 Thread Tom Lane
"Dann Corbit" <[EMAIL PROTECTED]> writes: > These two calls make our remote queries via libpq about twice as fast on > average. And, perhaps, cause even greater factors of degradation in other scenarios (not to mention the possibility of complete failure on some platforms). You haven't provided n

[HACKERS] Got no response last time on setsockopt post, so I thought I would reiterate.

2007-06-11 Thread Dann Corbit
These two calls make our remote queries via libpq about twice as fast on average. It seems to me like it might be a nice addition to the core product's libpq (I poked it into the spot where the Nagle algorithm is turned off, but another place would be fine too). Can anyone give me a reason why it