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Re: Kafka on EC2 - Kafka - [mail # user]
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...We use m1.large's with ephemeral storage and get 20MB/sec using Kafka's built in benchmarking tool. No compression. On Tue, Nov 20, 2012 at 7:52 AM, David Arthur wrote: &n...
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Author: Evan Chan,
2012-11-20, 17:12
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Re: Understanding how to monitor using JMX attributes - Kafka - [mail # user]
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...Mike, I'm not sure the Storm-bundled kafka stores offsets in the same ZK locations as the regular Kafka consumer. Actually if you can verify the location that would be gr...
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Author: Evan Chan,
2012-11-20, 17:11
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Re: Should I share the zookeeper cluster among different servers - Kafka - [mail # user]
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...We have 2 Kafka servers and 3 storm clusters sharing the same ZK cluster, and the ZK cluster has pretty much zero load the whole time. -Evan On Wed, Oct 17, 2012 at 9:09 AM, how...
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Author: Evan Chan,
2012-10-17, 16:18
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Re: What are the most significant differences between kestrel and kafka? - Kafka - [mail # user]
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...Howard, The Kafka model is very different from the Kestrel model, at least as far as consumers are concerned. Kestrel is like AMQP / RabbitMQ in that it keeps track of consumer s...
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Author: Evan Chan,
2012-10-08, 16:48
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Re: Metrics for kafka broker - Kafka - [mail # user]
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...What I mean is that we can't use JConsole, etc. from outside of EC2 into the EC2 machine. I'm aware one can use jmxtrans on the same box. On Mon, Oct 1, 2012 at 12:50 PM, M...
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Author: Evan Chan,
2012-10-02, 17:02
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Re: Metrics for kafka broker - Kafka - [mail # user]
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...Any plans to incorporate coda hale metrics into Kafka? That would be awesome. On Mon, Oct 1, 2012 at 11:26 AM, John Wang wrote: *Evan Chan* Senior Software En...
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Author: Evan Chan,
2012-10-01, 18:34
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Re: How to configure Kafka to use a running zookeeper instance? - Kafka - [mail # user]
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...So everything in ZooKeeper are nodes stored in a hierarchical, file-system like path, right? For example, everything in Kafka would be stored by default in paths like this: /kafk...
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Author: Evan Chan,
2012-09-18, 20:56
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Re: How to configure Kafka to use a running zookeeper instance? - Kafka - [mail # user]
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...No need, actually. Storm and kafka already use different paths (we do this in our ZK setup). Of course it doesn't hurt to namespace things properly. On Tue, Sep 18, 2012 at...
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Author: Evan Chan,
2012-09-18, 17:21
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Re: Kafka brokers in a VM - Kafka - [mail # user]
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...@Matthew - that's an interesting idea, we haven't explored it yet. I'm sure it would be better, but then some backup option is needed or you have to be OK with losing the data, right? ...
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Author: Evan Chan,
2012-08-09, 23:55
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Re: Kafka brokers in a VM - Kafka - [mail # user]
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...We run Kafka instances on AWS and I had posted performance #'s before. We achieve around 20MB/sec IO throughput, with the Kafka messages stored in EBS, using reiserfs. I wonder h...
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Author: Evan Chan,
2012-08-09, 23:41
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