Stephanie Miotke created AMQ-4093:
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Summary: Auto Consolidation of Database Files to reduce DB
footprint size
Key: AMQ-4093
URL: https://issues.apache.org/jira/browse/AMQ-4093
Project: ActiveMQ
Issue Type: Improvement
Components: Message Store
Affects Versions: 5.6.0
Reporter: Stephanie Miotke
Priority: Minor
This issue is being spawned from a comment in AMQ-2736:
"I have a queue that holds onto a message every once in a while due to bad
formatting or what-have-you (not something I can immediately correct). Since
KahaDB requires the need to retain the full contents of the DB file while one
message persists, it will cause the file system to grow dramatically if you
alter the default kahaDB file size at all. With a DB file of 96 megs each I've
eaten up almost 5 gigs of disk space in 34 pending messages all less than 2000
bytes each.
I'm going to begin auto purging the offending queue (since we don't require
those messages), however it would be preferred to have some automatic process
possibly automatically consolidate the DB once its reached a pre-configured
limit?"
So, I'd like to officially request some sort of consolidation or 'garbage
collection' of kahadb files when the storage footprint reaches a preconfigured
limit, allowing the ActiveMQ system to clean itself up and prevent overflowing
disk space with pending messages that may never get processed.
Please let me know if you have any questions or need any further information.
Thanks!
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