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Posted to commits@activemq.apache.org by "Lionel Cons (JIRA)" <ji...@apache.org> on 2012/09/04 07:53:08 UTC
[jira] [Commented] (APLO-176) What do "Detected store change"
messages mean?
[ https://issues.apache.org/jira/browse/APLO-176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13447497#comment-13447497 ]
Lionel Cons commented on APLO-176:
----------------------------------
We saw these again, running stomp-benchmark (see attached scenario file) against apollo-99-trunk-20120902.143447-110. For instance:
2012-09-03 17:09:57,925 | WARN | Queue 'loadt-0' detected store change in range [11105757:11115755]. 493 message(s) and 91698 bytes |
2012-09-03 17:11:36,620 | WARN | Queue 'loadt-0' detected store change in range [15140159:15150157]. 137 message(s) and 25482 bytes |
2012-09-03 17:22:22,035 | WARN | Queue 'loadt-0' detected store change in range [51687:54403]. 3 message(s) and 307692 bytes |
2012-09-03 18:13:23,078 | WARN | Queue 'loadt-0' detected store change in range [202323:210465]. 1024 message(s) and 190464 bytes |
2012-09-03 18:24:39,172 | WARN | Queue 'loadt-0' detected store change in range [206826:215309]. 330 message(s) and 392370 bytes |
2012-09-03 18:55:53,981 | WARN | Queue 'loadt-0' detected store change in range [58988:60591]. 3 message(s) and 307695 bytes |
2012-09-03 18:57:00,646 | WARN | Queue 'loadt-0' detected store change in range [70795:79663]. 3 message(s) and 307695 bytes |
2012-09-03 18:57:57,032 | WARN | Queue 'loadt-0' detected store change in range [93705:96965]. 3 message(s) and 307697 bytes |
2012-09-03 19:00:16,741 | WARN | Queue 'loadt-0' detected store change in range [1359821:1369819]. 117 message(s) and 21879 bytes |
> What do "Detected store change" messages mean?
> ----------------------------------------------
>
> Key: APLO-176
> URL: https://issues.apache.org/jira/browse/APLO-176
> Project: ActiveMQ Apollo
> Issue Type: Question
> Environment: apollo-99-trunk-20120306.040517-2
> Reporter: Lionel Cons
> Assignee: Hiram Chirino
> Attachments: scenario.xml
>
>
> On one of our brokers, we detected the following messages:
> 2012-03-27 17:17:33,678 | INFO | Detected store change in range 622852159 to 622862157. 3869 message(s) and 617003 bytes | org.apache.activemq.apollo.broker.QueueEntry | hawtdispatch-DEFAULT-2
> 2012-03-27 17:18:26,337 | INFO | Detected store change in range 623647284 to 623657282. 6355 message(s) and 947641 bytes | org.apache.activemq.apollo.broker.QueueEntry | hawtdispatch-DEFAULT-2
> 2012-03-27 17:19:41,528 | INFO | Detected store change in range 624785258 to 624788515. 62 message(s) and 8246 bytes | org.apache.activemq.apollo.broker.QueueEntry | hawtdispatch-DEFAULT-5
> 2012-03-27 17:19:57,644 | INFO | Detected store change in range 625016042 to 625022112. 62 message(s) and 8246 bytes | org.apache.activemq.apollo.broker.QueueEntry | hawtdispatch-DEFAULT-2
> 2012-03-27 17:19:58,280 | INFO | Detected store change in range 625016863 to 625026923. -62 message(s) and -8246 bytes | org.apache.activemq.apollo.broker.QueueEntry | hawtdispatch-DEFAULT-1
> 2012-03-27 17:21:05,636 | INFO | Detected store change in range 626032257 to 626042255. 6543 message(s) and 1075071 bytes | org.apache.activemq.apollo.broker.QueueEntry | hawtdispatch-DEFAULT-3
> [...]
> Since they are marked as INFO I hope they are harmless (please confirm) but I would anyway like to understand what they mean and why they are logged.
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