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https://issues.apache.org/jira/browse/ARTEMIS-839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15967618#comment-15967618
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Matt Pavlovich commented on ARTEMIS-839:
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Chiming in here from the original request.. the intent of opening the JIRA is
to give users the ability to overcome limitations of disk volume performance by
having the ability to span multiple disk volumes with a single broker in order
to improve overall disk I/O throughput. Ideally, the ActiveMQ 5.x approach is
solid from an administrative perspective and it would be great to carry that
forward, as it supports a "namespace" approach. Other brokers take a
per-destination model which creates a lot of administrative overhead.
> Support multiple backend data stores
> ------------------------------------
>
> Key: ARTEMIS-839
> URL: https://issues.apache.org/jira/browse/ARTEMIS-839
> Project: ActiveMQ Artemis
> Issue Type: New Feature
> Components: Broker
> Reporter: Matt Pavlovich
>
> ActiveMQ 5.x supports multi-kahahdb where destinations matching a certain
> naming convention are stored in separate data stores.
> Artemis should support this to achieve parity with ActiveMQ and other
> commercial brokers, such as Tibco EMS that support multiple back-end data
> stores.
> The 2 primary use cases:
> 1. Increase overall disk I/O by having multiple mount points to allow busy
> destinations to have separate disks
> 2. Separate *.*.*.DLQ destinations in order to avoid the
> journal-cannot-be-cleaned-up issue due to sporadic messages still present
> Note: It was discussed on IRC that #2 may be mitigated with Artemis'
> compaction thread. However, with very large data stores the performance would
> be better with a partitioned data store vs one really large one.
> Enhancement: It would be great if the full path could be specified.
> Currently, in ActiveMQ 5.x the path is automatically generated based on the
> destination name filter and complicates the ability to separate destinations
> due to funky character names on all OS's and filesystems.
> For example, support multiple journal entries ad add an attribute:
>
> * "destination-filter" or similar
> Examples:
>
> * < ... destination-filter="Order.>"
> * < .. destination-filter="Billing.>"
> * < .. destination-filter=">"
>
>
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