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From "Daniel John Debrunner (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-1387) Add JMX extensions to Derby
Date Tue, 05 Feb 2008 19:59:08 GMT

    [ https://issues.apache.org/jira/browse/DERBY-1387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12565864#action_12565864

Daniel John Debrunner commented on DERBY-1387:

I can see the argument for disallowing Derby's jmx beans (by setting derby.system.jmx=false)
and probably it should be an opt-in system (ie. mbeans off by default).

Having derby.system.jmx being static though is a huge pain, seems that most useful would be
the ability to enable mbeans against a running system.

Also having the ability at the database level to control its DatabaseMBean would seem useful
(i.e. a database can indicate if it will register a DatabaseMBean or not).

I don't think any of these are essential for this work, but it may be something to think about,
especially around the api of enabling system or database mbeans. A single boolean property
may be too inflexible and cause confusion if a finer-grained scheme is added later.

One thought is to have a simple mbean that controls if other mbeans are enabled. This meta-mbean
would require system authentication to enable other mbeans (e.g. a property or operation to
start the system mbean). Probably requires the mbean security model to be worked out first.

> Add JMX extensions to Derby
> ---------------------------
>                 Key: DERBY-1387
>                 URL: https://issues.apache.org/jira/browse/DERBY-1387
>             Project: Derby
>          Issue Type: New Feature
>          Components: Services
>            Reporter: Sanket Sharma
>            Assignee: John H. Embretsen
>         Attachments: DERBY-1387-1.diff, DERBY-1387-1.stat, DERBY-1387-2.diff, DERBY-1387-2.stat,
DERBY-1387-3.diff, DERBY-1387-3.stat, DERBY-1387-4.diff, DERBY-1387-4.stat, DERBY-1387-5.diff,
DERBY-1387-5.stat, DERBY-1387-6.zip, DERBY-1387-7.zip, DERBY-1387-8.zip, DERBY-1387-9.diff,
DERBY-1387-9.stat, derbyjmx.patch, jmx.diff, jmx.stat, jmxFuncspec.html, jmxFuncspec.html,
jmxFuncspec.html, Requirements for JMX Updated.html, Requirements for JMX.html, Requirements
for JMX.zip
> This is a draft requirement specification for adding monitoring and management extensions
to Apache Derby using JMX. The requirements document has been uploaded on JIRA as well as
the Derby Wiki page at http://wiki.apache.org/db-derby/_Requirement_Specifications_for_Monitoring_%26_Management_Extensions_using_JMX
> Developers and Users are requested to please look at the document (feature list in particular)
and add their own rating to features by adding a coloumn to the table.
> Comments are welcome.

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