[jira] [Resolved] (AMQ-3031) Time Synchronization Solution

["Timothy Bish (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMQ-3031?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Timothy Bish resolved AMQ-3031.
-------------------------------

    Resolution: Fixed
      Assignee: Timothy Bish

Fix applied in trunk, removed the call to scheduleAtFixedRate and replaced it with just a call to schedule instead.  

> Time Synchronization Solution
> -----------------------------
>
>                 Key: AMQ-3031
>                 URL: https://issues.apache.org/jira/browse/AMQ-3031
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.4.1
>            Reporter: Erkan
>            Assignee: Timothy Bish
>            Priority: Critical
>             Fix For: 5.6.0
>
>         Attachments: Scheduler-ActivemqCore.java, Scheduler-KahaDB.java
>
>
> We had a Problem if we synchronize the time of 1.1.2000 to the actual date. The cpu load increase to 170% over a long time period. We analyse the problem and find out that is a java timer problem. We pass the classes Scheduler.java in following packages:
> 1. \kahadb\src\main\java\org\apache\kahadb\util
> 2. activemq-core\src\main\java\org\apache\activemq\thread
> We change the TimerTask by ScheduledThreadPoolExecutor. That was the solution. I want to discuss if that is the right solution or not. Can you analyze the classes and say if that is the right way or not? If not can you propose a solution. If yes can you release that with the next version.

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