In the *Attempt two, *are you not supposed to use "hivetry" as the
directory?
May be you should try giving the full path "
/opt/am/ver/1.0/hive/hivetry/classifier_wf.py" and see if it works.
Regards,
Ramki.
On Thu, Jun 20, 2013 at 9:28 AM, Stephen Boesch <java...@gmail.com> wrote:
>
> Stephen: would you be willing to share an example of specifying a
> "directory" as the add "file" target? I have not seen this working
>
> I have attempted to use it as follows:
>
> *We will access a script within the "hivetry" directory located here:*
> hive> ! ls -l /opt/am/ver/1.0/hive/hivetry/classifier_wf.py;
> -rwxrwxr-x 1 hadoop hadoop 11241 Jun 18 19:37
> /opt/am/ver/1.0/hive/hivetry/classifier_wf.py
>
> *Add the directory to hive:*
> hive> add file /opt/am/ver/1.0/hive/hivetry;
> Added resource: /opt/am/ver/1.0/hive/hivetry
>
> *Attempt to run transform query using that script:*
> *
> *
> *Attempt one: use the script name unqualified:*
>
> hive> from (select transform (aappname,qappname) using 'classifier_wf.py'
> as (aappname2 string, qappname2 string) from eqx ) o insert overwrite table c
> select o.aappname2, o.qappname2;
>
> (Failed: Caused by: java.io.IOException: Cannot run program
> "classifier_wf.py": java.io.IOException: error=2, No such file or directory)
>
>
> *Attempt two: use the script name with the directory name prefix: *
>
> hive> from (select transform (aappname,qappname) using
> 'hive/classifier_wf.py' as (aappname2 string, qappname2 string) from eqx ) o
> insert overwrite table c select o.aappname2, o.qappname2;
>
> (Failed: Caused by: java.io.IOException: Cannot run program
> "hive/classifier_wf.py": java.io.IOException: error=2, No such file or
> directory)
>
>
>
>
> 2013/6/20 Stephen Sprague <sprag...@gmail.com>
>
>> yeah. the archive isn't unpacked on the remote side. I think add archive
>> is mostly used for finding java packages since CLASSPATH will reference the
>> archive (and as such there is no need to expand it.)
>>
>>
>> On Thu, Jun 20, 2013 at 9:00 AM, Stephen Boesch <java...@gmail.com>wrote:
>>
>>> thx for the tip on "add <file>" where <file> is directory. I will try
>>> that.
>>>
>>>
>>> 2013/6/20 Stephen Sprague <sprag...@gmail.com>
>>>
>>>> i personally only know of adding a .jar file via add archive but my
>>>> experience there is very limited. i believe if you 'add file' and the file
>>>> is a directory it'll recursively take everything underneath but i know of
>>>> nothing that inflates or un tars things on the remote end automatically.
>>>>
>>>> i would 'add file' your python script and then within that untar your
>>>> tarball to get at your model data. its just the matter of figuring out the
>>>> path to that tarball that's kinda up in the air when its added as 'add
>>>> file'. Yeah. "local downlooads directory". What's the literal path is
>>>> what i'd like to know. :)
>>>>
>>>>
>>>> On Thu, Jun 20, 2013 at 8:37 AM, Stephen Boesch <java...@gmail.com>wrote:
>>>>
>>>>>
>>>>> @Stephen: given the 'relative' path for hive is from a local
>>>>> downloads directory on each local tasktracker in the cluster, it was my
>>>>> thought that if the archive were actually being expanded then
>>>>> somedir/somefileinthearchive should work. I will go ahead and test this
>>>>> assumption.
>>>>>
>>>>> In the meantime, is there any facility available in hive for making
>>>>> archived files available to hive jobs? archive or hadoop archive ("har")
>>>>> etc?
>>>>>
>>>>>
>>>>> 2013/6/20 Stephen Sprague <sprag...@gmail.com>
>>>>>
>>>>>> what would be interesting would be to run a little experiment and
>>>>>> find out what the default PATH is on your data nodes. How much of a pain
>>>>>> would it be to run a little python script to print to stderr the value of
>>>>>> the environmental variable $PATH and $PWD (or the shell command 'pwd') ?
>>>>>>
>>>>>> that's of course going through normal channels of "add file".
>>>>>>
>>>>>> the thing is given you're using a relative path "hive/parse_qx.py"
>>>>>> you need to know what the "current directory" is when the process runs on
>>>>>> the data nodes.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Thu, Jun 20, 2013 at 5:32 AM, Stephen Boesch <java...@gmail.com>wrote:
>>>>>>
>>>>>>>
>>>>>>> We have a few dozen files that need to be made available to all
>>>>>>> mappers/reducers in the cluster while running hive transformation
>>>>>>> steps .
>>>>>>>
>>>>>>> It seems the "add archive" does not make the entries unarchived and
>>>>>>> thus available directly on the default file path - and that is what we
>>>>>>> are
>>>>>>> looking for.
>>>>>>>
>>>>>>> To illustrate:
>>>>>>>
>>>>>>> add file modelfile.1;
>>>>>>> add file modelfile.2;
>>>>>>> ..
>>>>>>> add file modelfile.N;
>>>>>>>
>>>>>>> Then, our model that is invoked during the transformation step *does
>>>>>>> *have correct access to its model files in the defaul path.
>>>>>>>
>>>>>>> But .. those model files take low *minutes* to all load..
>>>>>>>
>>>>>>> instead when we try:
>>>>>>> add archive modelArchive.tgz.
>>>>>>>
>>>>>>> The problem is the archive does not get exploded apparently ..
>>>>>>>
>>>>>>> I have an archive for example that contains shell scripts under the
>>>>>>> "hive" directory stored inside. I am *not *able to access
>>>>>>> hive/my-shell-script.sh after adding the archive. Specifically the
>>>>>>> following fails:
>>>>>>>
>>>>>>> $ tar -tvf appm*.tar.gz | grep launch-quixey_to_xml
>>>>>>> -rwxrwxr-x stephenb/stephenb 664 2013-06-18 17:46
>>>>>>> appminer/bin/launch-quixey_to_xml.sh
>>>>>>>
>>>>>>> from (select transform (aappname,qappname)
>>>>>>> *using *'*hive/parse_qx.py*' as (aappname2 string, qappname2
>>>>>>> string) from eqx ) o insert overwrite table c select o.aappname2,
>>>>>>> o.qappname2;
>>>>>>>
>>>>>>> Cannot run program "hive/parse_qx.py": java.io.IOException: error=2, No
>>>>>>> such file or directory
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
