>From: keshav upadhyaya
>Subject: [PERFORM] What is the role of #fsync and #synchronous_commit in
configuration file .
>
>Hi ,
>I want to imporve the performance for inserting of huge data in my table .
>I have only one idex in table .
>
>First question - i want to know the role played by
>
> #fsync = on and
> #synchronous_commit = on
>
>I want to understand more in details what exactly had happened one is made
them "off" ,
>is it dangerous to do this ? as it will not sync the data in each commit .
The settings are described in the docs:
http://www.postgresql.org/docs/8.4/interactive/runtime-config-wal.html
If you turn fsync off, you risk data loss in case of power or hardware
failure.
Dave