On Tue, Mar 14, 2017 at 12:08 PM, Durumdara <durumd...@gmail.com> wrote:
> Dear Melvin! > > What is the meaning of PgBouncer with persistent, non-interruptable > connections? To I know it (for learn). > > They are non web connections (request, get connection, result, drop > connection), they are pure, native applications which are keeping > connection from the start to the termination. > > Thank you! > > dd > > > > > 2017-03-14 15:29 GMT+01:00 Melvin Davidson <melvin6...@gmail.com>: > >> >> >> On Tue, Mar 14, 2017 at 10:15 AM, Durumdara <durumd...@gmail.com> wrote: >> >>> Dear Members! >>> >>> In a very strong Linux machine (with many 16-30 GB RAM) what is the >>> limit of the PGSQL server (9.4-9.5) "maximum connections"? >>> >>> 1000? >>> 2000? >>> >>> The clients are native applications (Windows executables) with >>> persistent connections, with more than 100 databases (every client have >>> only one database connection). >>> >>> Now we must determine where is the upper limit to know when we must buy >>> a new machine to customers clients (which have to migrate in future). >>> >>> I know my question is too common without precise numbers, but what is I >>> need is your experiences in this theme? >>> What areas are problematic when we increase the "max_connection" number? >>> >>> Thanks for any info! >>> >>> Best wishes >>> dd >>> >> >> >> *>In a very strong Linux machine (with many 16-30 GB RAM) what is the >> limit of the PGSQL server (9.4-9.5) "maximum connections"?* >> >> >> *It all depends on the amount of shared memory, which in turn is >> dependent on the O/S memory.* >> >> >> *But if you are going to have thousands of users, you are better off >> using a connection pooler. My preference is for >> PgBouncer.https://pgbouncer.github.io/ <https://pgbouncer.github.io/>* >> >> -- >> *Melvin Davidson* >> I reserve the right to fantasize. Whether or not you >> wish to share my fantasy is entirely up to you. >> > > *>What is the meaning of PgBouncer with persistent, non-interruptable connections? * *Adrian has provided you with the most pertinent link. I strongly suggest you rtfm.* *If that does not answer your question, then start here https://wiki.postgresql.org/wiki/PgBouncer <https://wiki.postgresql.org/wiki/PgBouncer>* -- *Melvin Davidson* I reserve the right to fantasize. Whether or not you wish to share my fantasy is entirely up to you.