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Posted to issues@kylin.apache.org by GitBox <gi...@apache.org> on 2020/11/27 07:12:36 UTC

[GitHub] [kylin] fengpod edited a comment on pull request #1442: KYLIN-4786 support segment data stored in ssd

fengpod edited a comment on pull request #1442:
URL: https://github.com/apache/kylin/pull/1442#issuecomment-734683314


   > -1 for the PR. This PR doesn't work.
   > 
   > In the PR, only setting storage policy for the storage directory of the table, but after moving HFile from other places to this directory, the storage policy of the HFile will not be changed.
   > 
   > Maybe I have a wrong understanding of HDFS heterogeneous storage, please point it out, thanks.
   
   @guangxuCheng Thanks for your review。According to storage policy resolution，the effective storage policy of a file or directory is resolved by the following rules：
   1、If the file or directory is specified with a storage policy, return it.
   2、For an unspecified file or directory, if it is the root directory, return the default storage policy. Otherwise, return its parent’s effective storage policy.
   The PR applied to the second rule。


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