Re: [GENERAL] Memory usage per session

Hi >I think the "problem" that he is having is fixable only by changing how >PostgreSQL itself works. >His problem is a PL/pgSQL function which is 11K lines in length. >When invoked, this function is "compiled" into a large tokenized parse tree. >This parse tree is only usable in the session

Re: [GENERAL] Memory usage per session

Hi > On Jul 08, John McKown modulated: > ... >> I think the "problem" that he is having is fixable only by changing how >> PostgreSQL itself works. His problem is a PL/pgSQL function which is >> 11K lines in length. When invoked, this function is "compiled" into a >> large tokenized parse tree.

Re: [GENERAL] Memory usage per session

On 7/8/2016 12:00 PM, Karl Czajkowski wrote: 3. Rewrite or refactor such complex stored procedures in a different programming language such as C or Python, so your PL/pgsql stored procedures remain small glue around libraries of code. Postgres makes it very trivial to extend the

Re: [GENERAL] Memory usage per session

On Jul 08, John McKown modulated: ... > I think the "problem" that he is having is fixable only by changing how > PostgreSQL itself works. His problem is a PL/pgSQL function which is > 11K lines in length. When invoked, this function is "compiled" into a > large tokenized parse tree. This parse

Re: [GENERAL] Memory usage per session

2016-07-08 17:49 GMT+02:00 : > Hi > > > >> Oracle: about 5M > >> postgreSql: about 160М > > > > >The almost session memory is used for catalog caches. So you should to > have big catalog and long living sessions. > > >What do you do exactly? > > I've generate test code that

Re: [GENERAL] Memory usage per session

On Fri, Jul 8, 2016 at 11:26 AM, Melvin Davidson wrote: > > > On Fri, Jul 8, 2016 at 11:49 AM, wrote: > >> Hi >> >> >> >> Oracle: about 5M >> >> postgreSql: about 160М >> >> >> >> >The almost session memory is used for catalog caches. So you should to >>

Re: [GENERAL] Memory usage per session

On Fri, Jul 8, 2016 at 11:49 AM, wrote: > Hi > > > >> Oracle: about 5M > >> postgreSql: about 160М > > > > >The almost session memory is used for catalog caches. So you should to > have big catalog and long living sessions. > > >What do you do exactly? > > I've generate test

Re: [GENERAL] Memory usage per session

Title: Re: [GENERAL] Memory usage per session Hi >> Oracle: about 5M >> postgreSql: about 160М >The almost session memory is used for catalog caches. So you should to have big catalog and long living sessions.  >What do you do exactly? I've generate test code that  em

Re: [GENERAL] Memory usage per session

Title: Re: [GENERAL] Memory usage per session Hi >> >> The test performs about 11K lines of code >> >> Oracle: about 5M >> >> postgreSql: about 160М >What is the actual O/S that PostgreSQL is installed on?  >How much total memory is on the server? 

Re: [GENERAL] Memory usage per session

On 08/07/2016 17:07, amatv...@bitec.ru wrote: Hi The test performs about 11K lines of code Oracle: about 5M postgreSql: about 160М Do you have 100 CPUs on this system which apparently doesn't have 16G of RAM available for PG to use? We can say at fact: We currently work at oracle. Our

Re: [GENERAL] Memory usage per session

On Fri, Jul 8, 2016 at 10:07 AM, wrote: > Hi > > >> >> The test performs about 11K lines of code > >> >> Oracle: about 5M > >> >> postgreSql: about 160М > > > > Do you have 100 CPUs on this system which apparently doesn't have 16G > > of RAM available for PG to use? > We can

Re: [GENERAL] Memory usage per session

Title: Re: [GENERAL] Memory usage per session Здравствуйте. >> Oracle: about 5M >> postgreSql: about 160М >​I'm admittedly ignorant of this type of testing. But if the memory usage for PostgreSQL is in the server, perhaps due to caching (how to test?), then it likely would

Re: [GENERAL] Memory usage per session

Hi >> >> The test performs about 11K lines of code >> >> Oracle: about 5M >> >> postgreSql: about 160М > Do you have 100 CPUs on this system which apparently doesn't have 16G > of RAM available for PG to use? We can say at fact: We currently work at oracle. Our code base about 4000 k line of

Re: [GENERAL] Memory usage per session

* amatv...@bitec.ru (amatv...@bitec.ru) wrote: > > On 08/07/2016 14:11, amatv...@bitec.ru wrote: > >> The test performs about 11K lines of code > >> Memory usage per session: > >> Oracle: about 5M > >> MSSqlServer: about 4M > >> postgreSql: about 160М > > > Visual C??? > > You will have to run

Re: [GENERAL] Memory usage per session

On Fri, Jul 8, 2016 at 8:16 AM, wrote: > Hi > > > On 08/07/2016 14:11, amatv...@bitec.ru wrote: > >> Hi. > >> The test performs about 11K lines of code > >> Memory usage per session: > >> Oracle: about 5M > >> MSSqlServer: about 4M > >> postgreSql: about 160М > > > > Visual

Re: [GENERAL] Memory usage per session

Hi 2016-07-08 15:16 GMT+02:00 : > Hi > > > On 08/07/2016 14:11, amatv...@bitec.ru wrote: > >> Hi. > >> The test performs about 11K lines of code > >> Memory usage per session: > >> Oracle: about 5M > >> MSSqlServer: about 4M > >> postgreSql: about 160М > > > > Visual C??? > >

Re: [GENERAL] Memory usage per session

Hi > On 08/07/2016 14:11, amatv...@bitec.ru wrote: >> Hi. >> The test performs about 11K lines of code >> Memory usage per session: >> Oracle: about 5M >> MSSqlServer: about 4M >> postgreSql: about 160М > Visual C??? > You will have to run PostgreSQL on a proper Unix system to test for >

Re: [GENERAL] Memory usage per session

On 08/07/2016 14:11, amatv...@bitec.ru wrote: Hi. We have tested postgreSql,Oracle,MSSqlServer. The test performs about 11K lines of code Memory usage per session: Oracle: about 5M MSSqlServer: about 4M postgreSql: about 160М The result of postgreSql is very sad(Our typical business logic has

[GENERAL] Memory usage per session

Hi. We have tested postgreSql,Oracle,MSSqlServer. The test performs about 11K lines of code Memory usage per session: Oracle: about 5M MSSqlServer: about 4M postgreSql: about 160М The result of postgreSql is very sad(Our typical business logic has about 30K lines of code). How can I reduce memory