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我想在羣集中運行一個使用MRJob的python腳本,其中我沒有管理權限並且粘貼了下面的錯誤。我認爲正在發生的事情是,該作業嘗試將中間文件寫入默認/ tmp .... dir,並且由於這是一個受保護的目錄,我無權寫入該目錄,因此作業接收到錯誤並且退出。我想知道如何將此tmp輸出目錄位置更改爲我的本地文件系統示例中的某個位置: /home/myusername/some_path_in_my_local_filesystem_on_the_cluster
,基本上我想知道我必須通過哪些附加參數來將中間輸出位置從/ tmp/...到我有寫作許可的地方。使用MRJob更改Mapreduce中間輸出位置
我調用我的腳本:
python myscript.py input.txt -r hadoop > output.txt
錯誤:
no configs found; falling back on auto-configuration
no configs found; falling back on auto-configuration
creating tmp directory /tmp/13435.1.all.q/mr_word_freq_count.myusername.20131215.004905.274232
writing wrapper script to /tmp/13435.1.all.q/mr_word_freq_count.myusername.20131215.004905.274232/setup-wrapper.sh
STDERR: mkdir: org.apache.hadoop.security.AccessControlException: Permission denied: user=myusername, access=WRITE, inode="/":hdfs:supergroup:drwxr-xr-x
Traceback (most recent call last):
File "/home/myusername/privatemodules/python/examples/mr_word_freq_count.py", line 37, in <module>
MRWordFreqCount.run()
File "/home/myusername/.local/lib/python2.7/site-packages/mrjob/job.py", line 500, in run
mr_job.execute()
File "/home/myusername/.local/lib/python2.7/site-packages/mrjob/job.py", line 518, in execute
super(MRJob, self).execute()
File "/home/myusername/.local/lib/python2.7/site-packages/mrjob/launch.py", line 146, in execute
self.run_job()
File "/home/myusername/.local/lib/python2.7/site-packages/mrjob/launch.py", line 207, in run_job
runner.run()
File "/home/myusername/.local/lib/python2.7/site-packages/mrjob/runner.py", line 458, in run
self._run()
File "/home/myusername/.local/lib/python2.7/site-packages/mrjob/hadoop.py", line 236, in _run
self._upload_local_files_to_hdfs()
File "/home/myusername/.local/lib/python2.7/site-packages/mrjob/hadoop.py", line 263, in _upload_local_files_to_hdfs
self._mkdir_on_hdfs(self._upload_mgr.prefix)
是你確定你正在調用hadoop作業,因爲afaik,這不是你如何調用hadoop流作業。 – aa8y