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From Alexis <alexis.detregl...@gmail.com>
Subject Re: [jira] [Commented] (GORA-22) Upgrade cassandra backend to cassandra 0.7
Date Sat, 23 Jul 2011 00:14:04 GMT

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:


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

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