We're running load tests with James acting as a voicemail server on IBM SolidDB 7.0.3 and noticing that it sometimes takes up to one second to retrieve an e-mail from a mailbox. Here are the conditions:

Mailboxes have > 50 messages.
Each message has an attachment of ~3 MB.
Messages are accessed randomly.
New messages are constantly being added.

I was going to try using a Java VM profiler to pinpoint the slow spots but does anyone else have any advice? The reason is that we need to be able to fetch around 80 three-megabyte messages in under a minute, which ought to be reasonable. Thanks!

--
Joshua M. Armstrong
Software Engineer
Centurion, Inc.


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