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From "Yi Liu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8347) Whether to use chunkSize as the to decode buffersize for Datanode block reconstruction.
Date Fri, 08 May 2015 06:31:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yi Liu updated HDFS-8347:
-------------------------
    Description: Currently decode buffersize for Datanode striped block reconstruction is
configurable and can be less or larger than chunksize, it may cause issue for Hitchhiker which
may require encode/decode using same buffersize.  (was: While investigating a test failure
in {{TestRecoverStripedFile}}, found one issue. An extra configurable buffer size instead
of the chunkSize defined the schema is used to perform the decoding, which needs further discussion
and can cause test failure with latest erasure coder change.)

> Whether to use chunkSize as the to decode buffersize for Datanode block reconstruction.
> ---------------------------------------------------------------------------------------
>
>                 Key: HDFS-8347
>                 URL: https://issues.apache.org/jira/browse/HDFS-8347
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>
> Currently decode buffersize for Datanode striped block reconstruction is configurable
and can be less or larger than chunksize, it may cause issue for Hitchhiker which may require
encode/decode using same buffersize.



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