I have archiving enabled for PITR but it has been causing problems. So I 
changed the archive_command to ‘cd .’ to disable for now.
However, I’m currently looking for a script/process that will rotate the logs 
every week or so, and also ensure archived wal files don’t pile up. 
I
> On Feb 27, 2015, at 2:55 AM, Jim Nasby <jim.na...@bluetreble.com> wrote:
> 
> On 2/23/15 5:39 AM, Saurabh Gupta A wrote:
>> Hello,
>> 
>> Has anybody used online backup feature of postgreSQL? In fact precise
>> postgreSQL term is called: "Point-in-time Recovery" (PITR)
>> This means enabling following additional options in config:
>> ---
>> archive_command = on
>> archive_command = 'cp %p /usr/local/pgsql/pgDataPITR/wals/%f' # This is
>> only example path
>> ---
>> 
>> If yes then may I know how it is used and how it impacts database
>> performance?
> 
> Other than the overhead of the copy itself, it generally doesn't. There are a 
> very limited number of shortcuts we can take when wal_level is set to 
> minimal, such as not WAL logging the full contents of data inserted into a 
> table that was created/truncated in the same transaction, but generally 
> archiving doesn't impact performance (assuming you keep it running correctly 
> so pg_xlog doesn't fill up ;)
> -- 
> Jim Nasby, Data Architect, Blue Treble Consulting
> Data in Trouble? Get it in Treble! http://BlueTreble.com
> 
> 
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