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Date: Tue, 4 Mar 2008 10:17:40 -0800 (PST)
From: "Daniel John Debrunner (JIRA)" <jira@apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Commented: (DERBY-3435) Add an MBean for monitoring and
 managing the Network Server
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    [ 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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