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Status Not under consideration
Created by Guest
Created on Oct 23, 2020

Improve performance of writing data to Scenario DB

As per our analysis DOC uses JDBC "batch insert" method when writing data to Scenario Database. A much faster method would be "multiple row insert", which can also be done with JDBC.

The following link shows how to do it in Java. The author measured 100 milliseconds per record for "batch insert", compared to only 10 milliseconds per record for "multiple row insert". So it is about 10 times faster.

http://brian.pontarelli.com/2011/06/21/jdbc-batch-vs-multi-row-inserts/

In our environment we also see 100 milliseconds per record to save it to Scenario DB. It would be great if DOC could achieve 10 milliseconds by using "multiple row insert".

Some of our scenarios are quite big with more than 2 million records. Writing the data takes 200 seconds. Users typically save a scenario to Scenario DB several times (initial load, solve, ...). Several minutes of waiting time for the users could be avoided, if saving scenarios would be much faster.

Overall we think that such a performance boost in communication with scenario database would be a valuable improvement of DOC. So we would like to suggest to you to have a close look at the possibility of "multiple row insert" and check whether DOC could make use of it in future releases.

Note: It is not a matter of system setup. Our system is fast in DOC terms. "Performance Test" function in "ODM Repository Administration" window rates our environment as follows:
Load Quality Rating: 5 of 5 (Excellent)
Save Quality Rating: 5 of 5 (Excellent)

  • Admin
    Ferenc Katai
    Nov 10, 2020

    request on old DOC technology