i think that this is Usually a problem that i find always in the Information
Extraction i hope to not be So wrong in that i m telling you.
--
francesco.tangari@gmail.com
Inviato con Sparrow (http://www.sparrowmailapp.com/?sig)
Il giorno mercoledì 1 febbraio 2012, alle ore 08.51,
frances
Suppose i have a relationship 1 to N, for example
Student , College.
Student Attributes:
Name,Surname,CollegeFKey,
College attributes:
CollegeKey,Other,Other.
Suppose that i have a program which read students and Exams from a plain text
file.
And on this file i have duplicated Colleges and D
Pe 01.02.2012 05:14, Vamshi Krishna a scris:
Hi all,
i wanted to run some programs that requires hbase table data, to
evaluate my programs. The dataset can be of 3-4GB size, any number of
column families and columns and rows. please somebody provide this. Or else
if some links which p
Hello,
On Tue, Jan 31, 2012 at 3:45 PM, Stack wrote:
> On Mon, Jan 30, 2012 at 5:27 PM, Zheng Da wrote:
> > Hello,
> >
> > I'm thinking of using HBase to store a matrix, so each subblock of a
> matrix
> > is stored as a value in HBase, and the key of the value is the location
> of
> > the subbl
Hi all,
i wanted to run some programs that requires hbase table data, to
evaluate my programs. The dataset can be of 3-4GB size, any number of
column families and columns and rows. please somebody provide this. Or else
if some links which provide such dataset for hbase are available for
On Mon, Jan 30, 2012 at 3:13 AM, N Keywal wrote:
> Hi Damien,
>
> Can't say for the Python stuff.
> You can reuse or extract what you need in HBaseTestingUtility from the
> hbase test package, this will allow you to start a full Hbase mini cluster
> in a few lines of Java code.
>
HBaseTestingUtil
2012/1/30 郑建锋 :
> hello, this is my case:
> my Hbase run on single machine and store data to local file system, not Hdfs
> I have put lots of documents to a table in Hbase database
> As screenshot attached, there are many regions with start key and end key
> like "CN x A" and "CN xxx U"
On Mon, Jan 30, 2012 at 6:39 AM, Galed Friedmann
wrote:
> Lately we're having weird issues with Thrift, after several hours the
> Thrift server "hangs" - the scripts that are using it to access HBase get
> connection timeouts, we're also using Heroku and ruby on rails apps that
> use Thrift and th
On Mon, Jan 30, 2012 at 5:27 PM, Zheng Da wrote:
> Hello,
>
> I'm thinking of using HBase to store a matrix, so each subblock of a matrix
> is stored as a value in HBase, and the key of the value is the location of
> the subblock in the matrix. At beginning, I wanted the subblock to be as
> large
On Mon, Jan 30, 2012 at 10:50 PM, Stuti Awasthi wrote:
> Thanks Frederic,
> Sorry as I was out of town I was not able to check what you suggested. I will
> try and come up again if I faces any issues.
> Thanks
>
Are you passing a shell script rather than a ruby script? The former
will not work.
There are lots of free, large data sets:
* http://www.readwriteweb.com/archives/where_to_find_open_data_on_the.php
* http://www.quora.com/Data/Where-can-I-get-large-datasets-open-to-the-public
Just find one that interests you. There probably aren't many fields in which
people didn't wish there w
Hi,
Yes, each cell is associated to a long. By default it's a timestamps, but
you can set it yourself when you create the put.
It's stored everywhere.
You've got a lot of information and links on this in the hbase book (
http://hbase.apache.org/book.html#versions)
Cheers,
N.
On Mon, Jan 30, 20
Hi Laxman,
We use both #1 and #3 from MySQL which also has hi speed exports.
For our 300G and 340M rows, #1 takes us around 3 hours, with Sqoop it
is closer to 8 hrs to our 3 node cluster.
We are having issues with delimiters though (since we have \r, \t and
\n in the database), and now using Avr
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