Hi all,
I am solving a issue with pig integration with cassandra using CqlLoader. I
don't know exactly if the problem is in CqlLoader, my low understanding of
Pig (I hope this is actually the case) or some bug in the combination of
Pig and CqlLoader. Sorry if this turns out to be rather a Pig ques
Ah nice, even better, thanks!
On Sat, Oct 16, 2010 at 2:31 PM, Brandon Williams wrote:
> On Sat, Oct 16, 2010 at 3:55 PM, Eric Lee wrote:
>
>> I have this working now with the following:
>>
>> rows = LOAD 'cassandra://TwitterExample/User' using CassandraStorage();
>> *cols = FOREACH rows GENERA
On Sat, Oct 16, 2010 at 3:55 PM, Eric Lee wrote:
> I have this working now with the following:
>
> rows = LOAD 'cassandra://TwitterExample/User' using CassandraStorage();
> *cols = FOREACH rows GENERATE
> FLATTEN((bag{tuple(chararray,chararray)})$1);*
> users = FOREACH cols GENERATE $1;
>
> Not s
I have this working now with the following:
rows = LOAD 'cassandra://TwitterExample/User' using CassandraStorage();
*cols = FOREACH rows GENERATE FLATTEN((bag{tuple(chararray,chararray)})$1);*
users = FOREACH cols GENERATE $1;
Not sure if that operation with *cols *is correct or not, but it appea
Hey guys,
I'm having a problem with pig and cassandra and was hoping someone could
point me in the right direction. I've setup Pig and Cassandra and I'm able
to run through the example shown in the README.txt - I can view a list of
top column names. That's all good stuff.
What I would like to do
nal Message-
> From: "Christian Decker"
> Sent: Wednesday, August 18, 2010 7:08am
> To: user@cassandra.apache.org
> Subject: Re: Cassandra and Pig
>
> I got one step further by cheating a bit, I just took all the Cassandra
> Jars
> and dropped them into the Hado
Needing to manually copy the jars to all of the nodes would mean that you
aren't applying the Pig 'register ;' command properly.
-Original Message-
From: "Christian Decker"
Sent: Wednesday, August 18, 2010 7:08am
To: user@cassandra.apache.org
Subject: Re: Cas
I got one step further by cheating a bit, I just took all the Cassandra Jars
and dropped them into the Hadoop lib folder, so at least now I can run some
pig scripts over the data in Cassandra, but this is far from optimal since
it means I'd have to distribute my UDFs also to the Hadoop cluster, or
Ok, by now it's getting very strange. I deleted the entire installation and
restarted from scratch and now I'm getting a similar error even though I'm
going through the pig_cassandra script.
2010-08-17 15:54:10,049 [main] INFO
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduce
pt.
>
> -Original Message-
> From: "Stu Hood"
> Sent: Friday, August 13, 2010 2:31pm
> To: user@cassandra.apache.org
> Subject: Re: Cassandra and Pig
>
> Hmm, the example code there may not have been run in distributed mode
> recently, or perhaps Pig perfo
nk/0.7-beta2 requires properties
to be set by your startup script.
-Original Message-
From: "Stu Hood"
Sent: Friday, August 13, 2010 2:31pm
To: user@cassandra.apache.org
Subject: Re: Cassandra and Pig
Hmm, the example code there may not have been run in distributed mode recently,
m
To: user@cassandra.apache.org
Subject: Re: Cassandra and Pig
Wow, that was extremely quick, thanks Stu :-)
I'm still a bit unclear on what the pig_cassandra script does. It sets some
variables (PIG_CLASSPATH for one) and then starts the original pig binary
but injects some libraries in it (li
Original Message-
> From: "Christian Decker"
> Sent: Friday, August 13, 2010 11:30am
> To: user@cassandra.apache.org
> Subject: Cassandra and Pig
>
> Hi all,
>
> I'm trying to get Pig to read data from a Cassandra cluster, which I
> thought
> triv
rg
Subject: Cassandra and Pig
Hi all,
I'm trying to get Pig to read data from a Cassandra cluster, which I thought
trivial since Cassandra already provides me with the CassandraStorage class.
Problem is that once I try executing a simple script like this:
register /path/to/pig-0.7.0-core.jar;re
Hi all,
I'm trying to get Pig to read data from a Cassandra cluster, which I thought
trivial since Cassandra already provides me with the CassandraStorage class.
Problem is that once I try executing a simple script like this:
register /path/to/pig-0.7.0-core.jar;register /path/to/libthrift-r91713
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