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From Alexis <alexis.detregl...@gmail.com>
Subject Re: [jira] [Commented] (GORA-22) Upgrade cassandra backend to cassandra 0.7
Date Sun, 24 Jul 2011 18:07:07 GMT
Hi Chris,

I created an INFRA ticket asking to grant write access to the wiki:
https://issues.apache.org/jira/browse/INFRA-3797

On Fri, Jul 22, 2011 at 5:31 PM, Mattmann, Chris A (388J)
<chris.a.mattmann@jpl.nasa.gov> wrote:
> Hi Alexis,
>
> Why do you need to add a label to add the docs?
>
> Not sure what's up with the permissions. Please send
> an email to infrastructure@apache.org, or file a JIRA issue
> at https://issues.apache.org/jira/browse/INFRA to check into it.
>
> Thanks!
>
> Cheers,
> Chris
>
> On Jul 22, 2011, at 5:14 PM, Alexis wrote:
>
>> Hi,
>>
>> I created an account (user name is Alexis) on cwiki.apache.org. How do
>> I edit the page? It says "You are only permitted to add personal
>> labels on this page." when I try to add a "label".
>>
>> Meanwhile, this is the doc i have so far:
>> http://techvineyard.blogspot.com/2011/02/gora-orm-framework-for-hadoop-jobs.html#Cassandra_in_Gora
>>
>> Alexis
>>
>> On Fri, Jul 22, 2011 at 4:27 PM, Henry Saputra <henry.saputra@gmail.com> wrote:
>>> Alexis, could you add an entry in the Gora wiki:
>>> https://cwiki.apache.org/confluence/display/GORA/Index to help
>>> understand the change made to the Cassanndra backend code.
>>>
>>> The changes are big and not much comment given in the header of the
>>> class so its kind of hard to follow what was the intention of the
>>> changes.
>>>
>>> - Henry
>>>
>>> On Fri, Jul 22, 2011 at 4:08 PM, Alexis <alexis.detreglode@gmail.com> 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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