Re: performance for high-volume log insertion

On Sun, 26 Apr 2009, Kris Jurka wrote:

> Scott Marlowe wrote:
>> On Sun, Apr 26, 2009 at 11:07 AM, Kris Jurka <books(at)ejurka(dot)com> wrote:
>>>
>>> As a note for non-JDBC users, the JDBC driver's batch interface allows
>>> executing multiple statements in a single network roundtrip. This is
>>> something you can't get in libpq, so beware of this for comparison's
>>> sake..
>>
>> Really? I thought that executing statements like so:
>>
>> select * from a;insert ...;delete;
>>
>> in psql / libpq would execute them all in one trip.
>
> Right, but those aren't prepared. I suppose it's possible to issue a prepare
> and then issue a batch of comma separated "execute" statements, but that's
> not exactly a natural interface.

for the task we are discussing here (log inserting) why wouldn't it be
reasonable to have a prepared insert and then do begin;execute...;end to
do a batch of them at once.

David Lang