[jira] [Created] (IGNITE-3877) Clarify if IgfsFile -> FileStatus conversion should treat groupBlockSize as blockSize

["Ivan Veselovsky (JIRA)" <ji...@apache.org>]

Ivan Veselovsky created IGNITE-3877:
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             Summary: Clarify if IgfsFile -> FileStatus conversion should treat groupBlockSize as blockSize
                 Key: IGNITE-3877
                 URL: https://issues.apache.org/jira/browse/IGNITE-3877
             Project: Ignite
          Issue Type: Bug
          Components: IGFS
    Affects Versions: 1.6
            Reporter: Ivan Veselovsky
            Assignee: Ivan Veselovsky
             Fix For: 1.8


During Metrics tests repairing test org.apache.ignite.igfs.Hadoop1DualAbstractTest#testMetricsBlock revealed the following problem:
org.apache.ignite.hadoop.fs.v1.IgniteHadoopFileSystem#convert(org.apache.ignite.igfs.IgfsFile) method treats groupBlockSize as blockSize for Hadoop FileStatus. groupBlockSize can be several times larger than blockSize, so blockSize in status gets different to that in original IgfsFile .

changing file.groupBlockSize() to file.blockSize()  fixes problem in metrics tests, but creates problems in Hadoop tests that are bound to splits calculation, since split calculation related to blockSizes.

Ned to 
1) clarify if the treatment of groupBlcokSize was intentional.
2) fix either metrics tests or Hadoop tests. 




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