Hi Adrian, Thanks a lot for the response.
We are using JDBC Driver 42.2.8 along with the Tomcat Server on Java 8. As part of application code, We are *not* setting timezone (or) application names. One observation was, application was querying columns of the datatype "timestamp without time zone" . Regards, Amarendra On Fri, Oct 11, 2019 at 7:33 PM Adrian Klaver <adrian.kla...@aklaver.com> wrote: > On 10/11/19 4:49 AM, Amarendra Konda wrote: > > Hi, > > > > In our test environment, it was observed that there are too many queries > > were getting fired to the database server, even though they are not part > > of the SQL query execution. > > > > And the number of queries that were coming to server are very high. Can > > you please suggest on how to avoid these queries to the database server ? > > My guess is your application server/framework is setting the below. > What are you using for above? > > > > > > > 2019-10-10 13:37:25 UTC:172.31.77.194(36920): > > user1@new_unity_green1:[2549]:LOG: duration: 0.081 ms statement: *SET > > application_name='PostgreSQL JDBC Driver';* > > 2019-10-10 13:37:25 UTC:172.31.69.112(45682): > > user1@new_unity_green0:[3545]:LOG: duration: 0.036 ms statement: *SET > > TimeZone='UTC';* > > 2019-10-10 13:37:25 > > UTC:172.31.77.194(36902):user1@new_unity_green1:[2112]:LOG: duration: > > 0.177 ms statement: *SET TimeZone='Etc/UTC';SET > > application_name='PostgreSQL JDBC Driver';* > > > > > > *_Environment_* > > > > * PGBouncer 1.9 > > * JDBC Driver 42.2.8 > > * Java 1.8 > > * PostgreSQL 9.6.2 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.3 > > 20140911 (Red Hat 4.8.3-9), 64-bit > > > > > > Application Server, pgBouncer and database server are all configured > > with UTC only. > > > > =>show timezone; > > TimeZone > > ---------- > > UTC > > > > Thanks in advance, > > > > Regards, Amarendra > > > > > > > > > > > > > > > -- > Adrian Klaver > adrian.kla...@aklaver.com >