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DBISAM Server Error |
Wed, Sep 19 2007 2:23 PM | Permanent Link |
Sachith Gunawardane | Hi Tim,
Are you using the database server with Citrix, or just an application that is accessing the tables directly ? Citrix server got client (application only), DB server have DBISAM server and DB tables. Today we did load testing on application using 20 concurrent users. (Used DBISAM Server 3.24 and 3.30 both) Performance on both almost same. If any of the users execute heavy query it will affect to all the users connected to DB. Once it happen the query took 30 sec will take 3 min. At this time processor utilization is 50% and 25% memory used. Any solution? Sachith |
Wed, Sep 19 2007 3:36 PM | Permanent Link |
Sachith Gunawardane | Hi Tim,
This is additional information for above query. I saw one of your news letters talk about DBISAM memory manager. We also used Dell 2850 dual processors. (http://www.elevatesoft.com/scripts/newsgrp.dll? action=searchopenmsg&group=5&msg=51620&keywords=DBISAM*%20Server*%20Concurrent*%20user*%20performance*#msg51620) Can you please let me know or please send me the DBISAM server which have memory manager. Sachith Sachith Gunawardane <sachithg79@yahoo.com> wrote: Hi Tim, Are you using the database server with Citrix, or just an application that is accessing the tables directly ? Citrix server got client (application only), DB server have DBISAM server and DB tables. Today we did load testing on application using 20 concurrent users. (Used DBISAM Server 3.24 and 3.30 both) Performance on both almost same. If any of the users execute heavy query it will affect to all the users connected to DB. Once it happen the query took 30 sec will take 3 min. At this time processor utilization is 50% and 25% memory used. Any solution? Sachith |
Thu, Sep 20 2007 2:29 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Sachith,
<< Can you please let me know or please send me the DBISAM server which have memory manager. >> Per email: The DBISAM memory manager is in DBISAM version 4.x. However, with the latest ElevateDB product, we simply use the now-standard FastMM4, so I would suggest that you download and use it instead with the database server. Simply put it as the first unit in the dbsrvr.dpr USES clause, and then re-compile the dbsrvr.dpr project. -- Tim Young Elevate Software www.elevatesoft.com |
Fri, Sep 21 2007 2:27 PM | Permanent Link |
Sachth Gunawardane | Hi Tim,
Situation is like this: currently we use Delphi 5 with DBISAM 3.24. We do not have source code for dbsrvr 3.24 We do have source code for DBISAM 4.25 (including source code for dbsrvr) but, our application is not yet migrated to 4.25 because its involve code changes in application. (This is currently on going task from our side) However, we need to improve performance of dbsrvr as soon as possible. (To use the both processors and memory management) Therefore, can you please send us compiled dbsrvr with FastMM4? Or can I used dbsrvr 4.25 with 3.24 VCL’s and tables? Or do I have to buy source code for dbsrvr 3.24 to do this? Sachtih |
Sat, Sep 22 2007 12:38 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Sachtih,
Please see my email to you regarding this. -- Tim Young Elevate Software www.elevatesoft.com |
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