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From "Greg Roelofs (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6837) Support for LZMA compression
Date Tue, 10 Aug 2010 00:04:19 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12896739#action_12896739
] 

Greg Roelofs commented on HADOOP-6837:
--------------------------------------

bq. FakeOutputStream isn't the one I'm talking about in package.html. That's for the OutputStream/
FakeInputStream. FakeOutputStream is just the one where I couldn't justify the maximum acting
correctly (wrtiting a max of 273 bytes extra) so I added the linked list in case anything
goes wrong.

Argh, yes, of course...we discussed that at least twice already.  Sorry for spacing.

Did you ever instrument it to emit a warning if it did go above 273 extra bytes?

> Support for LZMA compression
> ----------------------------
>
>                 Key: HADOOP-6837
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6837
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: io
>            Reporter: Nicholas Carlini
>            Assignee: Nicholas Carlini
>         Attachments: HADOOP-6837-lzma-1-20100722.non-trivial.pseudo-patch, HADOOP-6837-lzma-1-20100722.patch,
HADOOP-6837-lzma-2-20100806.patch, HADOOP-6837-lzma-3-20100809.patch, HADOOP-6837-lzma-c-20100719.patch,
HADOOP-6837-lzma-java-20100623.patch
>
>
> Add support for LZMA (http://www.7-zip.org/sdk.html) compression, which generally achieves
higher compression ratios than both gzip and bzip2.

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