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Posted to common-dev@hadoop.apache.org by "Arun Singh (JIRA)" <ji...@apache.org> on 2019/07/02 09:02:00 UTC

[jira] [Created] (HADOOP-16404) ABFS default blocksize change(256MB from 512MB)

Arun Singh created HADOOP-16404:
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             Summary: ABFS default blocksize change(256MB from 512MB)
                 Key: HADOOP-16404
                 URL: https://issues.apache.org/jira/browse/HADOOP-16404
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/azure
            Reporter: Arun Singh
             Fix For: 3.1.2


We intend to change the default blocksize of the abfs driver to 256Mb from 512MB.

After changing the blocksize we have performed a series of test(Spark Tera, Spark DFSIO,TPCDS on HIVE) and have seen consistent improvements in order of 4-5 %



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