Hi Ivan,

thanks for the answer. I found out that this message was not in the logs 3 month ago, where we had the same sedna version.
At this time there was no hang when sedna created a checkpoint.

Is it normal that no querys can be exececuted for one minute if sedna creates a checkpoint or may this be related with our performance problems?

I will try using more logical logs, so that checkpoint procedure will not occur that often.

We are currently experimenting with read only transactions and have optimized all of our querys by splitting them and our application as well, which resulted in a slightly better performance. Now we are focussing on sedna again.

One more question: Concurrent Transactions is limited to 10. Will it be possible to change this parameter in a future relase (sedna 3.6). As far as I understand it we have a lot of concurrent transactions and a lot of write transactions.

Stefan


Am 24.05.2011 11:21, schrieb Ivan Shcheklein:
Hi Stefan,

This is not a bug. Just redundant system message.

Considering your perfromance issues and long checkpoints. Have you tried read-only transactions and/or decreased upd_crt value?

Ivan Shcheklein,
Sedna Team


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