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From Shobhana <>
Subject Re: KAHADB clean up old log files
Date Sun, 16 Oct 2016 19:27:14 GMT
Sorry about adding to somebody else's thread.... I am adding here since I see
same issue in our production server.

We use 5.14.0 version and I have already enabled DLQ to discard all expired
messages and also set expiry of 1 day to all messages (MQTT) and offline
durable consumers using the following configurations :

a) I enabled following plug-in to set expiry of 1 day for every message (we
use only MQTT messages) : 
  <discardingDLQBrokerPlugin dropAll="true" dropTemporaryTopics="true"
dropTemporaryQueues="true" />
        <timeStampingBrokerPlugin ttlCeiling="86400000"

b) I enabled DLQ to drop all expired messages for all topics and queues : 
          <sharedDeadLetterStrategy processExpired="false" />

<discardingDLQBrokerPlugin dropAll="true" dropTemporaryTopics="true"
dropTemporaryQueues="true" />

c) I enabled offline durable subscribers to timeout after 1 day : 

After these changes, I could see a few log files got deleted, but majority
of the log files remain in the Kahadb folder which consume lot of disk

I observed this in our production server where I cannot enable trace or JMX.
Is there any other way to identify what is causing this issue?


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