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.