james created AMQ-5039:
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Summary: allow for thread pooling with multi kahadb persistence
Key: AMQ-5039
URL: https://issues.apache.org/jira/browse/AMQ-5039
Project: ActiveMQ
Issue Type: Improvement
Components: Message Store
Affects Versions: 5.9.0
Reporter: james
Priority: Minor
I am probably using the multi KahaDB storage a bit differently than others, but
i expect to be using many instances within my activemq broker. As such, i
noticed that the kahadb impl uses a bunch of threads per instance. Some of
this may be necessary, but the scheduled tasks at the least could most likely
allow for sharing a Timer or ScheduledExecutorService instance.
Locations:
* Journal creates a Timer instance (even though Scheduler has a shared instance)
* MessageDatabase creates a dedicated checkpoint thread (which is essentially a
scheduled task)
* DataFileAppender has a dedicated writer thread. possibly harder to share.
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