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From Henry Saputra <henry.sapu...@gmail.com>
Subject Re: [jira] [Commented] (GORA-22) Upgrade cassandra backend to cassandra 0.7
Date Fri, 22 Jul 2011 23:29:00 GMT
Chris,

Could we sign up for  this: https://reviews.apache.org/groups/ ?

This could help us for code review. Reading diff file is not good for
large changes like the one Alexis just made.

- Henry

On Fri, Jul 22, 2011 at 4:30 PM, Mattmann, Chris A (388J)
<chris.a.mattmann@jpl.nasa.gov> wrote:
> No need to revert. Thanks for your email
> Alexis and for your explanation. If there are
> tests and improvement and docs to be made,
> and folks have the cycles, and energy to do so,
> please move forward and do it.
>
> Thanks to both you and to Julien for contributions
> to the Cassandra back end.
>
> Cheers,
> Chris
>
> On Jul 22, 2011, at 4:08 PM, Alexis wrote:
>
>> Hi,
>>
>> Sorry I have committed my changes before I had the go ahead of the
>> other peers. I am still learning the opensource etiquette. I thought
>> it was fine to replace the code since I believe the Cassandra part was
>> broken. I personnally never managed to use the code "as is". It was
>> mentioned to me the entire backend needed to be rewritten:
>> See Julien's comment in this page:
>> http://techvineyard.blogspot.com/2011/01/trying-nutch-20-hbase-storage.html:
>>
>> "The Cassandra backend in GORA is in need of serious work and is not
>> considered fully functional, IIRC it is not thread safe. There has
>> been a new release of Cassandra in the meantime and I am pretty sure
>> that it would be quicker to simply write a new backend for GORA based
>> on the latest release..."
>>
>> Now we have 2 options:
>> - revert the modifications and go back to a broken state
>> - test the new version and iterate from there. I'm sure it's not
>> perfect but at least we have a seemingly working state to start with.
>>
>> Sorry for the bad surprise.
>>
>> On Fri, Jul 22, 2011 at 8:21 AM, Chris A. Mattmann (JIRA)
>> <jira@apache.org> wrote:
>>>
>>>    [ https://issues.apache.org/jira/browse/GORA-22?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13069581#comment-13069581
]
>>>
>>> Chris A. Mattmann commented on GORA-22:
>>> ---------------------------------------
>>>
>>> One note though: Alexis, it seems like you've replaced and/or added upon somehow
to the cassandra backend. It was my impression we had one already or that it was functioning/etc.
What does your patch do that improves or adds to it? Would be great to explain for the benefit
of others watching.
>>>
>>>> Upgrade cassandra backend to cassandra 0.7
>>>> ------------------------------------------
>>>>
>>>>                 Key: GORA-22
>>>>                 URL: https://issues.apache.org/jira/browse/GORA-22
>>>>             Project: Gora
>>>>          Issue Type: Improvement
>>>>          Components: storage
>>>>    Affects Versions: 0.2-incubating
>>>>            Reporter: Julien Nioche
>>>>             Fix For: 0.2-incubating
>>>>
>>>>         Attachments: gora-cassandra-mapping.xml, gora-cassandra-mapping.xml,
gora.patch, goraCassandra.patch
>>>>
>>>>
>>>
>>>
>>> --
>>> This message is automatically generated by JIRA.
>>> For more information on JIRA, see: http://www.atlassian.com/software/jira
>>>
>>>
>>>
>
>
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Chris Mattmann, Ph.D.
> Senior Computer Scientist
> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
> Office: 171-266B, Mailstop: 171-246
> Email: chris.a.mattmann@nasa.gov
> WWW:   http://sunset.usc.edu/~mattmann/
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Adjunct Assistant Professor, Computer Science Department
> University of Southern California, Los Angeles, CA 90089 USA
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
>

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