[jira] [Assigned] (ARTEMIS-580) Add setting to control global memory usage

["clebert suconic (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARTEMIS-580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

clebert suconic reassigned ARTEMIS-580:
---------------------------------------

    Assignee: clebert suconic

> Add setting to control global memory usage
> ------------------------------------------
>
>                 Key: ARTEMIS-580
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-580
>             Project: ActiveMQ Artemis
>          Issue Type: Improvement
>    Affects Versions: 1.3.0
>            Reporter: Lionel Cons
>            Assignee: clebert suconic
>            Priority: Blocker
>             Fix For: 1.4.0
>
>
> AFAIK, the only way to prevent Artemis from consuming all the heap and dying with OOM errors is to set {{max-size-bytes}}.
> This per-address setting is not suitable for brokers with many addresses that have different usage patterns. For instance, on a broker used for testing, Artemis complained that:
> {code}
> 2016-06-20 13:20:03,107 [org.apache.activemq.artemis.core.server] WARN AMQ222205: OutOfMemoryError possible! There are currently 400 addresses with a total max-size-bytes of 4,194,304,000 bytes, but the maximum memory available is 764,411,904 bytes.
> {code}
> These 400 addresses are not used anymore and will eventually be removed.
> In contrast, ActiveMQ 5.x has a much more useful global setting to control how much memory (in total) the broker will use. See {{memoryUsage}} in http://activemq.apache.org/producer-flow-control.html.
> Could Artemis also use a global memory setting to limit its memory usage?
> What to do when hitting this limit (DROP, BLOCK, PAGE...) could stay per-address.



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