Обсуждение: question related to pg_stat_database

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question related to pg_stat_database

От
Arvind Singh
Дата:
Hello pg_users,
 
we have just migrated  an application from mysql to postgresql
 
we use csharp+npgsql to develo application
 
I need to monitor Postgresql statistics at regular intervals.
 
I came across pg_stat_database and especially the columns tulip_fetched and tup_returned.
 
Is there anything to worry , when comparing both figures.
 
For ex. my server reports
 
tulip_fetched = 736555240
 
tulip_returned = 99888791 (almost 10% of fetched)
 
 
 
thanx.