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From "Daniel John Debrunner (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3435) Add an MBean for monitoring and managing the Network Server
Date Tue, 04 Mar 2008 18:17:40 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12575089#action_12575089
] 

Daniel John Debrunner commented on DERBY-3435:
----------------------------------------------

I think MBean's need to be thread safe, each jmx user can call methods on the same instance
of the MBean, thus the methods that calculate the rates need to be thread safe, eg. getBytesReceivedPerSecond

> Add an MBean for monitoring and managing the Network Server
> -----------------------------------------------------------
>
>                 Key: DERBY-3435
>                 URL: https://issues.apache.org/jira/browse/DERBY-3435
>             Project: Derby
>          Issue Type: Sub-task
>          Components: JMX
>            Reporter: John H. Embretsen
>            Assignee: John H. Embretsen
>             Fix For: 10.4.0.0
>
>         Attachments: d3435_v01.diff, d3435_v01.stat, derby-3435-live-data-v0.diff, derby-3435-live-data-v0.stat,
derby-3435-live-data-v1.zip, derby-3435-live-data-v2.zip
>
>
> Most functionality of and information about a running instance of the Network Server
is currently only available from the host running the Network Server, using the NetworkServerControl
API.
> With a JMX Management and Monitoring service in place utilizing JMX (DERBY-1387), it
is possible to expose some of the Network Server functionality and information through an
MBean that is specific to the Network Server, to both local and remote users (JMX clients),
subject to security restrictions. Access to Derby libraries on the client side is not even
a requirement, potentially making a server administrator's job a lot easier.

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