-- Best regards Japin Li On Nov 17, 2020, at 7:59 AM, David G. Johnston <david.g.johns...@gmail.com<mailto:david.g.johns...@gmail.com>> wrote:
On Mon, Nov 16, 2020 at 5:41 AM Li Japin <japi...@hotmail.com<mailto:japi...@hotmail.com>> wrote: Thanks for your review! Attached. Reading the doc changes: I'd rather not name postgres_fdw explicitly, or at least not solely, as a reason for setting this to zero. Additionally, using postgres_fdw within the server doesn't cause issues, its using postgres_fdw and the remote server having this setting set to zero that causes a problem. <note> Consider setting this for specific users instead of as a server default. Client connections managed by connection poolers, or initiated indirectly like those by a remote postgres_fdw using server, should probably be excluded from this timeout. Text within <para> should be indented one space (you missed both under listitem). Thanks for your suggest! How about change document as follows: diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 6c4e2a1fdc..23e691a7c5 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -8281,17 +8281,17 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv; </term> <listitem> <para> - Terminate any session that has been idle for longer than the specified amount of time. + Terminate any session that has been idle for longer than the specified amount of time. </para> <para> - If this value is specified without units, it is taken as milliseconds. - A value of zero (the default) disables the timeout. + If this value is specified without units, it is taken as milliseconds. + A value of zero (the default) disables the timeout. </para> <note> <para> - This parameter should be set to zero if you use postgres_fdw or some - connection-pooling software, because connections might be closed unexpectedly. + This parameter should be set to zero if you use some connection-pooling software, or + PostgreSQL servers used by postgres_fdw, because connections might be closed unexpectedly. </para> </note> I'd suggest a comment that aside from a bit of resource consumption idle sessions do not interfere with the long-running stability of the server, unlike idle-in-transaction sessions which are controlled by the other configuration setting. Could you please explain how the idle-in-transaction interfere the long-running stability? -- Best regards Japin Li