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Postgres.exe Process taking too much memory and CPU usage - making the system extremely slow.

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Hi All.

 

I have a program which import some 6000-10000 records in Postgres database. However the import of data is successful but the postgres.exe almost takes up entire memory and CPU.

 

I could see in the process list there are lot of postgres.exe are running and one of the postgres.exe has taken up 98% of CPU.Even stopping the Postgres database service is not killing this processes running so I have to kill them individual processes.

 

I have the below parameters set in Postgresql.conf file.

 

# - Memory -

 

shared_buffers = 512MB                                

work_mem = 256MB

 

# - Free Space Map -

 

max_fsm_pages = 500000                                            

max_fsm_relations = 5000

 

 

Below is the autovacuum settings

 

autovacuum = on                                                                                                                              

log_autovacuum_min_duration = 0                                                                                                                                                              .

autovacuum_max_workers = 20                  

autovacuum_naptime = 5min                        

autovacuum_vacuum_threshold = 50        

autovacuum_analyze_threshold = 50         

autovacuum_vacuum_scale_factor = 0.2 

autovacuum_analyze_scale_factor = 0.1 

autovacuum_freeze_max_age = 200000000           

autovacuum_vacuum_cost_delay = 20                                                                                                                                                                     

 

 

I am using Postgres 8.3.5 on windows XP environment 32-bit.

 

I would really appreciate any help on this as this is one of the show stopper for us.

 

 

 


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