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From "Alex Rudyy (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (QPID-8168) [Broker-J] Broker should flow to disk transient messages when heap usage reaches critical threshold in order to avoid running of heap memory due to consumption of heap by transient message metadata
Date Thu, 06 Sep 2018 09:51:00 GMT

     [ https://issues.apache.org/jira/browse/QPID-8168?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alex Rudyy updated QPID-8168:
-----------------------------
    Fix Version/s: qpid-java-broker-7.1.0

> [Broker-J] Broker should flow to disk transient messages when heap usage reaches critical
threshold in order to avoid running of heap memory due to consumption of heap by transient
message metadata
> -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: QPID-8168
>                 URL: https://issues.apache.org/jira/browse/QPID-8168
>             Project: Qpid
>          Issue Type: Bug
>          Components: Broker-J
>    Affects Versions: qpid-java-6.1.6, qpid-java-broker-7.0.3, qpid-java-broker-7.0.2,
qpid-java-6.0.8, qpid-java-broker-7.0.0, qpid-java-broker-7.0.1, qpid-java-broker-7.1.0
>            Reporter: Alex Rudyy
>            Priority: Major
>             Fix For: qpid-java-broker-7.1.0
>
>
> The flow to disk is currently triggered when direct memory usage reaches predefined threshold
({{broker.flowToDiskThreshold}} which is set to 75% of direct memory size by default). However,
in some situations (for example, when direct memory size is big and heap memory size is small),
the direct memory threshold is not reached but the heap is fully occupied by transient messages
data, the broker runs out of heap memory.
> The broker behaviour can be improved by triggering flow to disk when a heap occupancy
reaches the critical threshold in addition to direct memory usage threshold.



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