Re: query performance issue

please find the EXPLAIN ANALYZE output.

On Wed, Nov 15, 2017 at 3:13 PM, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
wrote:

> Hi
>
> please send EXPLAIN ANALYZE output.
>
> Regards
>
> Pavel
>
> 2017-11-15 10:33 GMT+01:00 Samir Magar <samirmagar8(at)gmail(dot)com>:
>
>> Hello,
>> I am having performance issues with one of the query.
>> The query is taking 39 min to fetch 3.5 mil records.
>>
>> I want to reduce that time to 15 mins.
>> could you please suggest something to its performance?
>>
>> server configuration:
>> CPUs = 4
>> memory = 16 GM
>> shared_buffers = 3 GB
>> work_mem = 100MB
>> effective_cache_size = 12 GB
>>
>> we are doing the vacuum/analyze regularly on the database.
>>
>> attached is the query with its explain plan.
>>
>> Thanks,
>> Samir Magar
>>
>>
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>