On 10/08/2012 17:26, Navaneethan R wrote:
Hi all,
Hello,
I have 10 million records in my postgres table.I am running the database in amazon ec2 medium instance. I need to access the last week data from the table.
It takes huge time to process the simple query.So, i throws time out exception error.
query is :
select count(*) from dealer_vehicle_details where modified_on between '2012-10-01' and '2012-10-08' and dealer_id=270001;
please show us an EXPLAIN ANALYZE of the query
After a lot of time it responds 1184 as count
what are the ways i have to follow to increase the performance of this query?
The insertion also going parallel since the daily realtime updation.
what could be the reason exactly for this lacking performace?
missing index, wrong configuration, ...
please also note that, generally, all those "cloud stuff" have generally
very poor I/O performance ..
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