Re: Performance tunning - Mailing list pgsql-performance

Hi ,

Can you help to tune the below plan

Limit (cost=0.87..336777.92 rows=100 width=57) (actual time=599302.173..599481.552 rows=100 loops=1) Buffers: shared hit=78496066 -> Nested Loop (cost=0.87..11005874.67 rows=3268 width=57) (actual time=599302.170..599481.506 rows=100 loops=1) Buffers: shared hit=78496066 -> Index Scan using inx_callprocessingstatus_modifieddate on callprocessingstatus contactsta1_ (cost=0.44..2008486.89 rows=15673696 width=16) (actual time=0.356..66774.105 rows=15651059 loops=1) Index Cond: (modifieddate < now()) Filter: ((overallstatus)::text = 'COMPLETED'::text) Rows Removed by Filter: 275880 Buffers: shared hit=15803632 -> Index Scan using "INX_callinfo_Callid" on callinfo contact0_ (cost=0.43..0.57 rows=1 width=49) (actual time=0.033..0.033 rows=0 loops=15651059) Index Cond: (callid = contactsta1_.callid) Filter: ((combinationkey IS NULL) AND (mod(callid, '2'::bigint) = 0)) Rows Removed by Filter: 1 Buffers: shared hit=62692434 Planning Time: 1.039 ms Execution Time: 599481.758 ms