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From "Bernt M. Johnsen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3435) Add an MBean for monitoring and managing the Network Server
Date Wed, 05 Mar 2008 08:23:40 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12575267#action_12575267
] 

Bernt M. Johnsen commented on DERBY-3435:
-----------------------------------------

Dan & Knut: Thanks for the comments. I will fix the precision and threading issue with
getBytesRecieved/sentPerSecond.
I agree that adding "Count" or "NumberOf" to attributes adds to usability. Personally I prefer
"NumberOf" since I associate "Count" with an monotonous increasing counter. Furthermore "Session"
is an implementation detail and for all purposes it maps to an java.sql.Connection, so I think
"Connection" is a better name.

I suggest the following attributes:

NumberOfActiveConnections
NumberOfWaitingConnections
SizeOfConnectionThreadPool
ConnectionCounter

> 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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