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https://issues.apache.org/jira/browse/HADOOP-3315?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hong Tang updated HADOOP-3315:
------------------------------
Status: Patch Available (was: Open)
Reviewed the patch hadoop-3315-0619.patch with Chris Douglas. The newly
uploaded patch addressed the following points raised during the review:
- Replaced some inappropriate usage of IllegalStateException with
RuntimeException or IOException.
- In ChunkEcoder, write out a new chunk if cached data + user buffer >= chunk
buffer.
- Removed constructor ByteArray(String).
- Fixed logical error "256 & 1024" -> "256 * 1024".
- Fixed comments in RawComparable javadoc.
- Renamed various classes and field variables to match with names used in TFile
spec.
- Replaced ResettableByteArrayInputStream => DataInputBuffer
- Replaced SimpleByteArrayOutputStream => DataOutputBuffer
- Used IOUtils.cleanup in TFile.Writer.close.
- Removed AssertionException to RuntimeException.
- minBlockSize documentation lacks units (in bytes)
- Document Compression::get(C|D) 0.18 compatibility code
- Unconventional try/catch in finally usage pattern in BCFile
- setting hadoop.native.lib in Compression not Kosher
- Unconventional try/finally pattern in BCFile, converted to try/catch instead
of try/finally
- TFile.Location::hashCode incl redundant computation
- double-semicolon @ TFile:801
- Use DefaultCodec instead of GzipCodec to make pooling work for non-native zlib
> New binary file format
> ----------------------
>
> Key: HADOOP-3315
> URL: https://issues.apache.org/jira/browse/HADOOP-3315
> Project: Hadoop Common
> Issue Type: New Feature
> Components: io
> Reporter: Owen O'Malley
> Assignee: Hong Tang
> Fix For: 0.21.0
>
> Attachments: hadoop-3315-0507.patch, hadoop-3315-0509-2.patch,
> hadoop-3315-0509.patch, hadoop-3315-0513.patch, hadoop-3315-0514.patch,
> hadoop-3315-0601.patch, hadoop-3315-0602.patch, hadoop-3315-0605.patch,
> hadoop-3315-0612.patch, hadoop-3315-0623-2.patch,
> HADOOP-3315_20080908_TFILE_PREVIEW_WITH_LZO_TESTS.patch,
> HADOOP-3315_20080915_TFILE.patch, hadoop-trunk-tfile.patch,
> hadoop-trunk-tfile.patch, TFile Specification 20081217.pdf
>
>
> SequenceFile's block compression format is too complex and requires 4 codecs
> to compress or decompress. It would be good to have a file format that only
> needs
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