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From mlange <>
Subject Re: ActiveMQ ReplicatedLevelDB corruption
Date Fri, 23 Sep 2016 17:11:39 GMT
Concluded the test now; No good news though.

After sending the 100.000 messages (which got consumed by services that in
turn also produced new messages and so had a flow from one queue to another
and another etc... resulting in about 1.500.000 messages in the few hours
that this test ran) I restarted the master broker. Catching up went fine, no

Shortly thereafter I restarted the new master (the slaves had caught up, I
had made sure of that message); Now the new master is giving multiple times
the message: "2016-09-23 19:10:37,644 | WARN  | Invalid log position: 0 |
org.apache.activemq.leveldb.LevelDBClient | Thread-118"

While both slaves are spewing out many log messages along the lines of this:
"2016-09-23 19:15:33,892 | WARN  | No reader available for position: 0,
| org.apache.activemq.leveldb.RecordLog | Thread-3

Question arises if LevelDB is a good choice or is it too easily corrupted?

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