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From tcondie <...@git.apache.org>
Subject [GitHub] spark pull request #15852: Spark 18187
Date Fri, 11 Nov 2016 18:38:14 GMT
GitHub user tcondie opened a pull request:

    https://github.com/apache/spark/pull/15852

    Spark 18187

    ## What changes were proposed in this pull request?
    CompactibleFileStreamLog relys on "compactInterval" to detect a compaction batch. If the
"compactInterval" is reset by user, CompactibleFileStreamLog will return wrong answer, resulting
data loss. This PR procides a way to check the validity of 'compactInterval', and calculate
an appropriate value.
    
    ## How was this patch tested?
    When restart a stream, we change the 'spark.sql.streaming.fileSource.log.compactInterval'
different with the former one.
    
    The primary solution to this issue was given by @uncleGen 
    Added extensions include an additional metadata field in OffsetSeq and CompactibleFileStreamLog
APIs. @zsxwing 


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/tcondie/spark spark-18187

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/15852.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #15852
    
----
commit 65395dddb505f6084db471430da1486d75a77e2a
Author: genmao.ygm <genmao.ygm@genmaoygmdemacbook-air.local>
Date:   2016-11-09T08:21:09Z

    SPARK-18187: CompactibleFileStreamLog should not rely on "compactInterval" to detect a
compaction batch

commit d556933e0f039d661989e07f381aff185c9fac1b
Author: genmao.ygm <genmao.ygm@genmaoygmdemacbook-air.local>
Date:   2016-11-09T08:24:53Z

    comment update

commit 8b56f70b2dffd69dbc37007e923f3d5a56fce039
Author: genmao.ygm <genmao.ygm@genmaoygmdemacbook-air.local>
Date:   2016-11-09T08:34:11Z

    revert

commit 4a7e28c4e372caa3b16b979273577bd6aa2c11f3
Author: genmao.ygm <genmao.ygm@genmaoygmdemacbook-air.local>
Date:   2016-11-09T08:35:13Z

    unit test - compacat metadata log
    change compactInterval from 4 to 5

commit 23e1baf454bde511ed1963a27f6492100823d496
Author: genmao.ygm <genmao.ygm@genmaoygmdemacbook-air.local>
Date:   2016-11-09T09:34:15Z

    bug fix: /zero

commit 7d37e08026eaa1364e8a4fb10fb7cfb93cb51229
Author: Tyson Condie <tcondie@gmail.com>
Date:   2016-11-11T00:50:02Z

    Merge branch 'SPARK-18187' of https://github.com/uncleGen/spark into spark-18187

commit d3f7bbf32d0debba24853a38eb48bfcdcdb517be
Author: Tyson Condie <tcondie@gmail.com>
Date:   2016-11-11T00:52:24Z

    Merge branch 'master' of https://github.com/apache/spark into spark-18187

commit 6901eacdddf235db4ba91a0903ce8826978d778a
Author: Tyson Condie <tcondie@gmail.com>
Date:   2016-11-11T18:16:41Z

    extend offset seq to include metadata

----


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