Re: Too many SET TimeZone and Application_name queries

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(at)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(at)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(at)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(dot)klaver(at)aklaver(dot)com