Re: checkpoints, proper config

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On Thu, Dec 10, 2015 at 12:00 PM, Joshua D. Drake <jd@xxxxxxxxxxxxxxxxx> wrote:
On 12/10/2015 10:35 AM, Tory M Blue wrote:


Thiis valid regardless of the workload?

Yes.


Seems that I would be storing a
ton of data and writing it once an hour, so would have potential perf
hits on the hour. I guess I'm not too  up to date on the checkpoint
configuration.

No, that isn't how it works.

http://www.postgresql.org/docs/9.4/static/wal-configuration.html


Thanks will give this a read and get my self up to snuff..
 

My settings on this particular DB

fsync = off

This will cause data corruption in the event of improper shutdown.


#synchronous_commit = on


I would turn that off and turn fsync back on.


synchronous is commented out, is it on by default? 

This is a slony slave node, so I'm not too worried about this particular host losing it's data, thus fsync is off,

thanks again sir

Tory


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