memory « oracle « Java Database Q&A





1. Does the -XX:+HeapDumpOnOutOfMemoryError option work with Oracle Application Server?    stackoverflow.com

We are sometimes getting an OutOfMemoryError in production and I would like to be able to analyse what caused the problem, or at least what was going on when it occurred. ...

2. Cause for memory leaks in websphere ValueHandlerPool (Suspected)    stackoverflow.com

We encounter an OutofMemory error. I analyzed the *.phd file, that websphere dumps, using Eclipse Memory Analyzer. The Leak Suspect Report of MAT, provides the following information The class "com.ibm.rmi.io.ValueHandlerPool", loaded by "com.ibm.oti.vm.BootstrapClassLoader @ ...

3. Oracle T4CPreparedStatement memory leaks?    stackoverflow.com

A little background on the application that I am gonna talk about in the next few lines: XYZ is a data masking workbench eclipse RCP application: You give it a source ...

4. How can I store large amount of data from a database to XML (memory problem)?    stackoverflow.com

First, I had a problem with getting the data from the Database, it took too much memory and failed. I've set -Xmx1500M and I'm using scrolling ResultSet so that was taken ...

5. How can I store large amount of data from a database to XML (memory problem, part two)?    stackoverflow.com

I've asked the question the other day and rewritten the code to reflect the solutions, but now I have a new problem. Here is the code. This is the calling/writing function; ...

6. Memory Leak Issue in Weblogic, SUN, Apache and Oracle classes Options    stackoverflow.com

Please find below the description of memory leaks issues.

  1. Statistics show major growth in the perm area (static classes). Flows were ran for 8 hours , Heap dump was taken ...

7. Create an in-memory database structure from an Oracle instance    stackoverflow.com

I have an application where many "unit" tests use a real connection to an Oracle database during their execution. As you can imagine, these tests take too much time to be executed, ...

8. Which is the most memory intensive SQL query: select, update or insert?    stackoverflow.com

Which is the most memory intensive SQL query: select, update or insert? and why? The database consists of a two simple tables that are independent of each other

9. Oracle Error: ORA-04031: unable to allocate xxx bytes of shared memory ("","","")    coderanch.com

I'm working on a web app using Tomcat and Oracle9i on Linux with the thin JDBC drivers. Occasionally a query will fail and with an SQLException with the message: ORA-04031: unable to allocate xxx bytes of shared memory ("","",""). The system is really not under much stress when it occurs, but if it is not random, is seems to sometimes be ...





10. allocating heap memory for download big file from database oracle..    forums.oracle.com

Instead of reading the entire thing into memory, stream it from the blob's input stream to the response's output stream using a small buffer (e.g. 64KB). Note that even this is not really ideal since you're tying up a database connection while you write to the client, but you seem to be doing this now anyway (you don't close the stream ...