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Posted to common-issues@hadoop.apache.org by "Steve Loughran (Jira)" <ji...@apache.org> on 2021/08/19 14:08:00 UTC

[jira] [Created] (HADOOP-17856) JsonSerDeser to collect IOStatistics

Steve Loughran created HADOOP-17856:
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             Summary: JsonSerDeser to collect IOStatistics
                 Key: HADOOP-17856
                 URL: https://issues.apache.org/jira/browse/HADOOP-17856
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: common
    Affects Versions: 3.3.1
            Reporter: Steve Loughran


json deserializer to build stats on reading costs, which can then be collected too to measure cost of ser/deser and of file IO from the input/output streams, if they provide it.

Allows for committers to report costs better here. 



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