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From Otis Gospodnetic <otis_gospodne...@yahoo.com>
Subject Re: LZ4 compression support
Date Thu, 17 May 2012 03:17:22 GMT
(almost 3 months old thread)

LZ4 perf test numbers in https://issues.apache.org/jira/browse/HADOOP-7657?focusedCommentId=13170733&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13170733
looks pretty impressive.  Why do you think HBase users would not see perf difference in HBase?
 We saw it when we moved from LZO to Snappy.

Laxman, did you end up testing LZ4 with HBase?  Would it be possible for you to share the

Performance Monitoring for Solr / ElasticSearch / HBase - http://sematext.com/spm 

> From: Vladimir Rodionov <vrodionov@carrieriq.com>
>To: "dev@hbase.apache.org" <dev@hbase.apache.org>; "lakshman.ch@huawei.com" <lakshman.ch@huawei.com>;
'Stack' <stack@duboce.net> 
>Sent: Tuesday, February 28, 2012 1:20 PM
>Subject: RE: LZ4 compression support
>LZ4 is slightly faster than snappy (from my own tests) but I really doubt that anyone
will see performance difference in HBase
>(or in Hadoop)
>Best regards,
>Vladimir Rodionov
>Principal Platform Engineer
>Carrier IQ, www.carrieriq.com
>e-mail: vrodionov@carrieriq.com
>From: Laxman [lakshman.ch@huawei.com]
>Sent: Tuesday, February 28, 2012 7:17 AM
>To: 'Stack'; dev@hbase.apache.org
>Subject: RE: LZ4 compression support
>Hi Stack,
>I haven't tried LZ4 in Hadoop. Currently, I'm directly testing LZ4 with
>Will publish my findings soon.
>> -----Original Message-----
>> From: saint.ack@gmail.com [mailto:saint.ack@gmail.com] On Behalf Of
>> Stack
>> Sent: Monday, February 27, 2012 11:33 PM
>> To: dev@hbase.apache.org; lakshman.ch@huawei.com
>> Subject: Re: LZ4 compression support
>> On Mon, Feb 27, 2012 at 6:59 AM, Laxman <lakshman.ch@huawei.com> wrote:
>> > Hi,
>> >
>> > Some more compression algorithms are supported in Hadoop.
>> >
>> > IMO, if not all, we can add support for few faster algorithms (Like
>> LZ4) in
>> > HBase also to take the advantage of its speed.
>> > https://issues.apache.org/jira/browse/HADOOP-7657
>> >
>> What would you suggest Laxman?  Have you tried hbase against hadoop
>> 0.23.1 using LZ4?  Or are you thinking of pulling it into hbase?
>> St.Ack
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