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Posted to issues@spark.apache.org by "Burak Yavuz (JIRA)" <ji...@apache.org> on 2015/10/26 21:38:27 UTC

[jira] [Created] (SPARK-11324) Flag to close Write Ahead Log after writing

Burak Yavuz created SPARK-11324:
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             Summary: Flag to close Write Ahead Log after writing
                 Key: SPARK-11324
                 URL: https://issues.apache.org/jira/browse/SPARK-11324
             Project: Spark
          Issue Type: Improvement
          Components: Streaming
            Reporter: Burak Yavuz


Currently the Write Ahead Log in Spark Streaming flushes data as writes need to be made. S3 does not support flushing of data, data is written once the stream is actually closed. 

In case of failure, the data for the last minute (default rolling interval) will not be properly written. Therefore we need a flag to close the stream after the write, so that we achieve read after write consistency.



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