On May 10, 2013, at 11:38 AM, Merlin Moncure <mmoncure(at)gmail(dot)com> wrote:
>>
>> PostgreSQL configuration changes:
>> synchronous_commit = off
>>
>
> that's good info, but it should be noted that synchronous_commit
> trades a risk of some data loss (but not nearly as much risk as
> volatile storage) for a big increase in commit performance.
Yes, that is a choice we consciously made. If our DB server crashes losing the last few ms worth of transactions is an acceptable loss to us. But that may not be OK for everyone :-)