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Date: Tue, 2 Dec 2014 22:19:43 -0800 (PST)
From: khandelwalanuj <khandelwal.anuj90@gmail.com>
To: users@activemq.apache.org
Message-ID: <1417587583677-4688306.post@n4.nabble.com>
Subject: [Kahadb vs Leveldb vs Replciated Leveldb] Performance Results
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I have done performance testing for kahadb, leveldb and replication leveldb.
Details:

*Scenario: *
> ActiveMQ : 5.10
> Machine : Unix
> I tested performance by sending messages to the broker continuously with
> any sleep or wait on producer side and measure the throughput by messages
> sent per seconds. The throughput increase initially but after some some it
> becomes constant. Similarly consumer is also running and consuming the
> messages. I also measure messages received per seconds. I can see that
> after some time producer and consumer throughput becomes equal.  And that
> is what I consider as throughput. 
> I run each test mentioned below for ~2 hours. 
> I did all tests by sending persistence messages.

*Results: 
*

*LevelDB: 
*
1 producer 1 consumer: 0.48K/sec(Queue) || 0.64K/sec (Topic)
2 producer 1 consumer: 0.88K/sec(Queue) || 0.79K/sec (Topic)
1 producer 2 consumer: 0.48K/sec(Queue) || 0.64K/sec (Topic)

*kahaDB: 
*
1 producer 1 consumer: 0.58K/sec(Queue) || 0.6K/sec (Topic)
2 producer 1 consumer: 0.6K/sec(Queue) || 0.6K/sec (Topic)

*Replicated Leveldb: 
*
1 producer 1 consumer: 0.06K/sec(Queue) || 0.06K/sec (Topic)
2 producer 1 consumer: 0.07K/sec(Queue) || 0.06K/sec (Topic)
1 producer 2 consumer: 0.06K/sec(Queue) || 0.05K/sec (Topic)


Questions: 

> Performance is same with kahadb and leveldb which is strange. Why kahadb
> performance is now higher? Any particular configuration I need to tuneup ? 
> Does kahadb provides better performance with multiple producers and single
> consumers ?(multiple writes)
> Replicated leveldb performance is too low. Almost 10 times going down. Is
> this expected ? Or I should tune some configurations to get better
> performance?

Also If there is any testing done by ActiveMQ developers, please point me to
that. 

Thanks,
Anuj


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