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https://issues.apache.org/jira/browse/MAPREDUCE-1927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Greg Roelofs updated MAPREDUCE-1927:
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Attachment: construct-all-gz-header-types-20100812.zip
Script and gzip component subfiles to generate all 32 unencrypted flagbits
variants (that is, text/binary, comment/no comment, header CRC/no header CRC,
etc.).
These are not currently used by the unit test, but they could be. Is it worth
it?
(Note that gzip versions up through 1.4 cannot be used to test the 16
header-CRC variants. A fix was checked into gzip's trunk on 20100703, however:
http://git.savannah.gnu.org/cgit/gzip.git/commit/?id=97e225c0e8ee24f3fc9ff7c5cec63e74aefbb6a0
. zlib-based gzip decoders [zlib >= 1.2.1.2] can read all 32 variants
successfully.)
> unit test for HADOOP-6835 (concatenated gzip support)
> -----------------------------------------------------
>
> Key: MAPREDUCE-1927
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1927
> Project: Hadoop Map/Reduce
> Issue Type: Test
> Components: test
> Affects Versions: 0.22.0
> Reporter: Greg Roelofs
> Assignee: Greg Roelofs
> Priority: Minor
> Fix For: 0.22.0
>
> Attachments: construct-all-gz-header-types-20100812.zip,
> MR-1927.v9.trunk-hadoop-mapreduce.patch
>
>
> More extensive test of concatenated gzip (and bzip2) decoding support for
> HADOOP-6835 (and HADOOP-4012 and HADOOP-6852).
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