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Posted to common-issues@hadoop.apache.org by "Harsh J (JIRA)" <ji...@apache.org> on 2013/06/19 08:12:21 UTC
[jira] [Commented] (HADOOP-5793) High speed compression algorithm
like BMDiff
[ https://issues.apache.org/jira/browse/HADOOP-5793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13687655#comment-13687655 ]
Harsh J commented on HADOOP-5793:
---------------------------------
Should this JIRA be moved to HBase, as it seems most useful there?
> High speed compression algorithm like BMDiff
> --------------------------------------------
>
> Key: HADOOP-5793
> URL: https://issues.apache.org/jira/browse/HADOOP-5793
> Project: Hadoop Common
> Issue Type: New Feature
> Reporter: elhoim gibor
> Assignee: Michele Catasta
> Priority: Minor
>
> Add a high speed compression algorithm like BMDiff.
> It gives speeds ~100MB/s for writes and ~1000MB/s for reads, compressing 2.1billions web pages from 45.1TB in 4.2TB
> Reference:
> http://norfolk.cs.washington.edu/htbin-post/unrestricted/colloq/details.cgi?id=437
> 2005 Jeff Dean talk about google architecture - around 46:00.
> http://feedblog.org/2008/10/12/google-bigtable-compression-zippy-and-bmdiff/
> http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=755678
> A reference implementation exists in HyperTable.
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