On 2016-08-20 08:21, pgsql-performance-ow...@postgresql.org wrote:
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Dear Sir/Mam,
I have a PostgreSQL 9.5 instance running on Windows 8 machine with 4GB
of RAM.This server is mainly used for inserting/updating large amounts
of data via copy/insert/update commands, and seldom for running select
queries.
Here are the relevant configuration parameters I changed:
max_connections = 100
shared_buffers = 512MB
effective_cache_size = 3GB
work_mem = 12233kB
maintenance_work_mem = 256MB
min_wal_size = 1GB max_wal_size = 2GB
checkpoint_completion_target = 0.7
wal_buffers = 16MB
default_statistics_target = 100
After setting in postgresql.conf. I run the select query to fetch large
amount of record of 29000 in postgresql but it takes 10.3 seconds but
the same query takes 2 seconds for execution in MSSQL.
So my query is how to improve the perfermance in postgresql.
Regards,
Debasis Moharana
.NET Software Developer
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