[jira] [Updated] (AMBARI-24675) Hdfs Resource File Check using checksums

["Éberhardt Péter (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-24675?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Éberhardt Péter updated AMBARI-24675:
-------------------------------------
    Fix Version/s: 2.7.6

> Hdfs Resource File Check using checksums
> ----------------------------------------
>
>                 Key: AMBARI-24675
>                 URL: https://issues.apache.org/jira/browse/AMBARI-24675
>             Project: Ambari
>          Issue Type: Bug
>    Affects Versions: 2.7.0
>            Reporter: Prabhu Joseph
>            Assignee: Dmytro Grinenko
>            Priority: Major
>             Fix For: 2.7.6
>
>
> hdfs_resource currently checks only file size while copying a resource into Hdfs, it has to be reimplemented using checksum.
> This impacts when changing a config value like 1 -> 2 where the filesize remains same.
> {code}
> hdfs_resource.py
>   # TODO: re-implement this using checksums
>         if local_file_size == length:
>           Logger.info(format("DFS file {target} is identical to {source}, skipping the copying"))
>           return
>         elif not self.main_resource.resource.replace_existing_files:
>           Logger.info(format("Not replacing existing DFS file {target} which is different from {source}, due to replace_existing_files=False"))
>           return
> {code}



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