Hi Alexander,
Please, provide us some details:
1. Structure of your database.
2. Queries/updates you run.
3. Event logs (SEDNA_HOME/data/event****.log) files.
Ivan Shcheklein,
Sedna Team
On Tue, Dec 1, 2009 at 5:27 PM, Alexander Kabanov <
[email protected]> wrote:
> Hi
>
> I am running a Monte Carlo simulation (written in C++) and using the Sedna
> C API
> to record snapshots of intermediate states of the various things in the
> simulation I am interested in. At the moment it is quite clear that writing
> to
> Sedna DB is a major performance bottleneck. I was wondering if there is
> anything
> I can do (tweak etc) to improve the write performance. I have set the
> bufs-num
> parameter to 32000 in the database config file (I understand it doesn't
> make a
> lot of sense to set it to higher values?) and also played around with
> manual
> transaction commits (in larger chunks). This seemed to marginally improve
> the
> performance, but not by a lot.
>
> I am running 64-bit Fedora 7 on a quad-core intel cpu with 8G of RAM.
>
> Is there anything else I can do or try to improve the write performance?
>
>
>
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