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https://issues.apache.org/jira/browse/BEAM-683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17546165#comment-17546165
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Kenneth Knowles commented on BEAM-683:
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This issue has been migrated to https://github.com/apache/beam/issues/18050
> Make BZIP compressed files splittable
> --------------------------------------
>
> Key: BEAM-683
> URL: https://issues.apache.org/jira/browse/BEAM-683
> Project: Beam
> Issue Type: Wish
> Components: sdk-java-core, sdk-py-core
> Reporter: Tim Sears
> Priority: P3
> Labels: Clarified
> Original Estimate: 10h
> Remaining Estimate: 10h
>
> Bzip2 is compressed as blocks, so it should be possible to do dynamic
> splitting. To do this: Seek to a location in the bzip, then keep seeking
> until you find the 6 byte block-start sequence 0x314159265359 (which is the
> 12 digit approximation of pi). You can use a bzip2 decompressor from that
> point onwards.
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