[jira] [Created] (FLINK-15097) flink can not use user specified hdfs conf

["qian wang (Jira)" <ji...@apache.org>]

qian wang created FLINK-15097:
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             Summary: flink can not use user specified hdfs conf
                 Key: FLINK-15097
                 URL: https://issues.apache.org/jira/browse/FLINK-15097
             Project: Flink
          Issue Type: Bug
          Components: Client / Job Submission
    Affects Versions: 1.9.1
            Reporter: qian wang
         Attachments: 0001-adjust-read-hdfs-conf-order.patch

now if cluster node had set env HADOOP_CONF_DIR，flink would force use the hdfs-site.xml in the corresponding dir, then user who submitted app in the client node couldn't use custom specified hdfs-site.xml/hdfs-default through setting fs.hdfs.hdfssite or fs.hdfs.hdfsdefault so as to set custom blocksize or replication num. For example Using yarnship to upload my hdfs conf dir and set fs.hdfs.hdfssite direct to \{conf dir}/hdfs-site.xml is useless

Deep in code it is due to the order of choosing conf in HadoopUtils.java，the conf in HADOOP_CONF_DIR will override user's uploaded conf, i think the way is  not sensible, so i reverse the order which flink read hdfs conf in order to let user custom conf uploaded override HADOOP_CONF_DIR



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