[
https://issues.apache.org/jira/browse/BEAM-6952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16858203#comment-16858203
]
Chamikara Jayalath commented on BEAM-6952:
------------------------------------------
Created https://issues.apache.org/jira/browse/BEAM-7501 to track merging the
fix to 2.7.1 (LTS) branch.
> concatenated compressed files bug with python sdk
> -------------------------------------------------
>
> Key: BEAM-6952
> URL: https://issues.apache.org/jira/browse/BEAM-6952
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Affects Versions: 2.11.0
> Reporter: Daniel Lescohier
> Priority: Major
> Fix For: 2.14.0
>
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> The Python apache_beam.io.filesystem module has a bug handling concatenated
> compressed files.
> The PR I will create has two commits:
> # a new unit test that shows the problem
> # a fix to the problem.
> The unit test is added to the apache_beam.io.filesystem_test module. It was
> added to this module because the test:
> apache_beam.io.textio_test.test_read_gzip_concat does not encounter the
> problem in the Beam 2.11 and earlier code base because the test data is too
> small: the data is smaller than read_size, so it goes through logic in the
> code that avoids the problem in the code. So, this test sets read_size
> smaller and test data bigger, in order to encounter the problem. It would be
> difficult to test in the textio_test module, because you'd need very large
> test data because default read_size is 16MiB, and the ReadFromText interface
> does not allow you to modify the read_size.
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
