Consider batching inserts and use larger log file.
On 9 May 2012 19:01, "TXVanguard" wrote:
>
> I need to speed up a single INSERT statement in Derby.
>
> The statement has the form:
>
> INSERT INTO table (col1, col2) SELECT a, b FROM
>
> In my application, it take about 10 seconds to insert
The changes that I found most effective when it comes to speeding up inserts:
1 - Run database with "test" durability
2 - Add all of your data before adding your primary key and foreign
key constraints, if possible
3 - Use prepared statements
4 - Execute prepared statements in batches, rather than
Sorry Brett, I'm not responding to your question but enganged by your
"Would it be helpful to
temporarily turn off constraints for the table?"
AFAIK it's not possible to do this. Was it a question or you know how to do
it? If so, point me out, please.
Cheers,
Libor
On Wed, May 9, 2012 at 7:00 PM
I need to speed up a single INSERT statement in Derby.
The statement has the form:
INSERT INTO table (col1, col2) SELECT a, b FROM
In my application, it take about 10 seconds to insert 3000 records.
I have experimented with turning off autocommit, adjusting
derby.storage.pageCacheSize and
