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Kafka >> mail # user >> are commitOffsets botched to zookeeper?


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Rob Withers 2013-05-17, 01:54
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Re: are commitOffsets botched to zookeeper?
Currently Kafka depends on zookeeper 3.3.4 that doesn't have a batch write
api. So if you commit after every message at a high rate, it will be slow
and inefficient. Besides it will cause zookeeper performance to degrade.

Thanks,
Neha
On May 16, 2013 6:54 PM, "Rob Withers" <[EMAIL PROTECTED]> wrote:

> We are calling commitOffsets after every message consumption.  It looks to
> be ~60% slower, with 29 partitions.  If a single KafkaStream thread is from
> a connector, and there are 29 partitions, then commitOffsets sends 29
> offset updates, correct?  Are these offset updates batched in one send to
> zookeeper?
>
> thanks,
> rob

 
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Rob Withers 2013-05-17, 05:32
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Neha Narkhede 2013-05-17, 13:18
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Neha Narkhede 2013-05-17, 13:35
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Neha Narkhede 2013-05-20, 16:40
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB