New AIO Journal in JBoss TS 4.15.x

[andy.miller]

I was wondering if there is any configuration that you have to set in AS 7 (CR 1) for specifying to use the new AIO journal for the transaction log, or is it automatic based on the presence of libaio?

If its not automatic, what do you do to make sure JBoss TS is configured to use AIO?

[jhalliday]

The NIO/AIO mode distinction applies only to the new HornetQ journal based objectstore. It's decided automatically by the availability of the native code library. However, the store type itself is not configurable in AS7 yet, so you can't use the journal store in either mode at present.

[andy.miller]

Jonathan Halliday wrote:

The NIO/AIO mode distinction applies only to the new HornetQ journal based objectstore. It's decided automatically by the availability of the native code library. However, the store type itself is not configurable in AS7 yet, so you can't use the journal store in either mode at present.

Thanks Jonathan.  Is there any log message that is displayed on start-up that shows which one is being used?  I know HornetQ spits out an INFO message that shows if it successfully is using AIO, or has fallen back to NIO.

[jhalliday]

Nope, no message.