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From "Alex Rudyy (JIRA)" <j...@apache.org>
Subject [jira] [Created] (QPID-8198) [Broker-J[Documentation] Account headers in formula for estimation of heap size
Date Fri, 25 May 2018 13:36:00 GMT
Alex Rudyy created QPID-8198:
--------------------------------

             Summary: [Broker-J[Documentation] Account headers in formula for estimation of
heap size
                 Key: QPID-8198
                 URL: https://issues.apache.org/jira/browse/QPID-8198
             Project: Qpid
          Issue Type: Bug
          Components: Broker-J, Java Documentation
            Reporter: Alex Rudyy
             Fix For: qpid-java-broker-7.1.0, qpid-java-broker-7.0.4


The formula for estimation of required heap size should allow to specify variables for message
headers. Otherwise, the estimated value would be far from required. For example, in Broker
with 1G of heap it is possible to publish 568920 AMQP 1-0 messages without application properties.
However, it is possible to publish around 208700 messages if each message contains 20 application
specific properties with average size of 20 bytes for name and value.
The formula for estimation of required heap size should allow to specify the following:
* average size of property name and value
* average number of application properties per message



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