Re: When to expand vertically vs. horizontally in Hbase

t; Where you would have the same key on Order entry, pick slips, shipping, > and invoice. > > That's probably the best example of where CFs come in to play. > > I'd suggest that you go back and rethink the design if you're having more > than a handful. > > >

Re: When to expand vertically vs. horizontally in Hbase

ch is why I am not entirely sure on how things will look months from now. I am not sure I follow this statement "if you need a filter which need all the row (there is a method you override in Filter to mark that) than a far row will be more memory intensive." Can you please explain? Tha

Re: When to expand vertically vs. horizontally in Hbase

for 50 to become a > problem. I still would recommend using a single CF though. > — > Sent from iPhone > > On Tue, Jul 2, 2013 at 9:33 AM, Aji Janis wrote: > > > The section on Rows vs. Columns at > > http://hbase.apache.org/book/schema.smackdown.html talks about ex

When to expand vertically vs. horizontally in Hbase

The section on Rows vs. Columns at http://hbase.apache.org/book/schema.smackdown.html talks about expanding horizontally vs. vertically. Can someone please explain to me when to choose rows vs. columns. The sections reads, "To be clear, this guideline is in the context is in extremely wide cases,

Filtering help

Hello, In my Hbase table I have four families. Not all rows have data for all the families. And not all rows have the same qualifiers either. So imagine this scenario: rowid |f1 |f2 |f3| --- row1 |q1, q2 |q4 |q6 | row2 |q1, q3 |q4,q5 |

Re: Issues adding column families

Haa.. this is what happens when you stare at the code for too long. Thank you! On Thu, Jun 20, 2013 at 2:12 PM, Asaf Mesika wrote: > if (!admin.tableExists(tableName)){ > > Shouldn't it be: > if (admin.tableExists(tableName)){ > > ? > > > On Thu, Jun 20, 2

Issues adding column families

I have the following function for adding column family but its not working for some reason. I am able to get proper configuration and establish the right connection. Can anyone explain whats wrong? Hbase version: http://archive.cloudera.com/cdh/3/*hbase-0.90.6-cdh3u5* /apidocs/

Hbase connection management

Hello, I need guidance on how to manage connection/resources (best practices) in a multi threaded env. Lets say there are 5 tables clients needs access to for random read/write. Multiple read/scans could be done on the same table simultaneously by the same or different clients. I am reading about

Re: querying hbase

These tools seem just like what I want! Thank you. I am trying to play with it now but looks like in our Hbase configuration HBASE_MANAGE_ZK is set to False in hbase-env and hbase.zookeeper.property.clientPort is not set in hbase-site and therefore I can't use hbasemanager or hrider. I am new to Hb

Re: querying hbase

te: > The shell allows you to use filters just like the standard HBase API but > with jruby syntax. Have you tried that or that is too painful and you want > a simpler tool ? > > -Viral > > On Tue, May 21, 2013 at 2:58 PM, Aji Janis wrote: > > > are there any tools out

querying hbase

are there any tools out there that can help in visualizing data stored in Hbase? I know the shell lets you do basic stuff. But if I don't know what rowid I am looking for or if I want to rows with family say *name* (yes SQL like) are there any tools that can help with this? Not trying to use this o

ETL tools

Hello users, I am interested in hearing about what sort of ETL tools are you using with your cloud based apps. Ideally, I am looking ETL(s) with the following feature: -free (yup) -open-source/community support -handles different types of sources or atleast has plugins may be (email, rss, filesys