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https://issues.apache.org/jira/browse/AMQ-3318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13032855#comment-13032855
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Lionel Cons commented on AMQ-3318:
----------------------------------
Since it occurred only once during ten consecutive runs, it's likely a hard to
reproduce race condition...
My machine has 8 cores and 16 GB of RAM. I started Apollo with
{code}
JVM_FLAGS="-server -Xmx8192m -Xms4096m"
{code}
Here is what stomp-benchmark recorded:
{code}
"benchmark_settings": {
"broker_name": "run1",
"host": "localhost",
"port": 61613,
"sample_count": 30,
"sample_interval": 2000,
"warm_up_count": 5,
"scenario_connection_scale_rate": 50
},
{code}
> "Detected store dropped message" errors when broker is run against the
> stomp-benchmark
> --------------------------------------------------------------------------------------
>
> Key: AMQ-3318
> URL: https://issues.apache.org/jira/browse/AMQ-3318
> Project: ActiveMQ
> Issue Type: Bug
> Components: Apollo, Broker
> Reporter: Hiram Chirino
> Assignee: Hiram Chirino
>
> Lionel Cons wrote:
> {quote}
> ran stomp-benchmark several times in a row against Apollo
> 20110505.135118-111 and it worked fine with one exception.
> During less than one second, it logged several messages like this:
> 2011-05-11 05:54:09,661 | INFO | Detected store dropped message at seq:
> 467787239 | org.apache.activemq.apollo.broker.QueueEntry | bdb store io read
> 2011-05-11 05:54:09,661 | INFO | Detected store dropped message at seq:
> 467787240 | org.apache.activemq.apollo.broker.QueueEntry | bdb store io read
> 2011-05-11 05:54:09,662 | INFO | Detected store dropped message at seq:
> 467787241 | org.apache.activemq.apollo.broker.QueueEntry | bdb store io read
> [...]
> 2011-05-11 05:54:09,681 | INFO | Detected store dropped message at seq:
> 467787325 | org.apache.activemq.apollo.broker.QueueEntry | bdb store io read
> 2011-05-11 05:54:09,681 | INFO | Detected store dropped message at seq:
> 467787326 | org.apache.activemq.apollo.broker.QueueEntry | bdb store io read
> 2011-05-11 05:54:09,681 | INFO | Detected store dropped message at seq:
> 467787327 | org.apache.activemq.apollo.broker.QueueEntry | bdb store io read
> {quote}
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