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Posted to derby-user@db.apache.org by kosurusekhar <ko...@gmail.com> on 2014/11/17 14:54:27 UTC

Issues when acessing derby with JDBC in linux

Hello every one, we are using derby network server for 2 years in windows
platform, we are asked to implement same thing for Linux platform. We could
see some issues when running under our project in Linux. Derby network
server we are booting from java service, with default settings. (both
windows & linux)

 We found that our application is hanging with minimum load compare to
windows platform. After verifying with visual vm  to track which
thread/method is consuming more time to execute, we found the following
method taking too much CPU time. *org.apache.derby.client.net.Reply.fill()*.
I could see in their souce code they have *fill() *method with an integer
parameter used to read the data coming from application. This method is
consuming (CPU Time) in windows 0.1% where as 50% to 65% in Linux.

Our application will be have huge load read/write/update into couple of
tables. 

Please help me to sort it out.

Thanks in Advance.







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