Re: Hbase Question

Hi, No matter how many versions of HBase class in your jar, the classloader will choose the first one on the classpath. Perhaps you could consider OSGi (A kind of module system). 2017-11-17 18:57 GMT+08:00 apple : > Hi： > I expect synchrodata between hbase 0.9 and hbase

Hbase Question

Hi： I expect synchrodata between hbase 0.9 and hbase 1.2. What's more,I find several ways to do it. Follow : 1.replication (need modify) 2.sync hlog before delete to hdfs .oldlog (need modify) 3.client writes data to two hbase 4.client writes data to kafka and consume to two hbase But, I think

Re: HBase Question

Meh. Go to Hive instead. On Mar 13, 2015, at 11:35 AM, Abraham Tom work2m...@gmail.com wrote: If you are comfortable with SQL I would look into Phoenix http://phoenix.apache.org/index.html On Thu, Mar 12, 2015 at 10:00 PM, Sudeep Pandey pandey.datat...@gmail.com wrote: Hello:

Re: HBase Question

We usually try to have a shell way of doing all public facing operations. In particular, I'd say if something shows up in the ref guide[1] without a shell way to do it, I'd consider it a bug. The one big caveat is that the shell is not performant for doing data inserts or fetching. Those functions

HBase Question

Hello: If I am unable to do JAVA coding and prefer HBase shell for HBase works/interactions, will I be able to do all operations? i.e. Is JAVA coding (Client API) needed to do something in HBase which is not possible by HBase shell commands? Thank You, Sudeep Pandey Ph: 5107783972

Re: HBase Question

If you are comfortable with SQL I would look into Phoenix http://phoenix.apache.org/index.html On Thu, Mar 12, 2015 at 10:00 PM, Sudeep Pandey pandey.datat...@gmail.com wrote: Hello: If I am unable to do JAVA coding and prefer HBase shell for HBase works/interactions, will I be able to do

Re: HBase Question

Have you looked at the REST API? Can that be an option for you? Le 2015-03-13 11:28, Sudeep Pandey pandey.datat...@gmail.com a écrit : Hello: If I am unable to do JAVA coding and prefer HBase shell for HBase works/interactions, will I be able to do all operations? i.e. Is JAVA coding

Re: Hbase question

Map Reduce Jobs engine as well? Thanks a lot! From: Rami Mankevich Sent: Tuesday, April 09, 2013 8:52 PM To: 'user@hbase.apache.org' Cc: 'Andrew Purtell' Subject: RE: Hbase question First of all - thanks for the quick response. Basically threads I want to open are for my own internal

Re: Hbase question

PM To: 'user@hbase.apache.org' Cc: 'Andrew Purtell' Subject: RE: Hbase question First of all - thanks for the quick response. Basically threads I want to open are for my own internal structure updates and I guess have no relations to HBase internal structures. All I want

Re: Hbase question

with that. Am I correct? In addition - Is there any Hbase Thread pool I can use? Thanks From: Andrew Purtell [mailto:apurt...@apache.org] Sent: Tuesday, April 09, 2013 6:53 PM To: Rami Mankevich Cc: apurt...@apache.org Subject: Re: Hbase question Hi Rami, It is no problem to create threads

Re: Hbase question

? In addition - Is there any Hbase Thread pool I can use? Thanks From: Andrew Purtell [mailto:apurt...@apache.org] Sent: Tuesday, April 09, 2013 6:53 PM To: Rami Mankevich Cc: apurt...@apache.org Subject: Re: Hbase question Hi Rami, It is no problem to create threads

Re: Hbase question

? In addition - Is there any Hbase Thread pool I can use? Thanks From: Andrew Purtell [mailto:apurt...@apache.org] Sent: Tuesday, April 09, 2013 6:53 PM To: Rami Mankevich Cc: apurt...@apache.org Subject: Re: Hbase question Hi Rami, It is no problem to create

RE: Hbase Question

Dear yong, How to distribute my data in the cluster ? Note that I am using cloudera manager 4.1 Thanks in advance:D Date: Fri, 28 Dec 2012 20:38:22 +0100 Subject: Re: Hbase Question From: yongyong...@gmail.com To: user@hbase.apache.org I think you can take a look at your row-key design

Re: Hbase Question

I think you can take a look at your row-key design and evenly distribute your data in your cluster, as you mentioned even if you added more nodes, there was no improvement of performance. Maybe you have a node who is a hot spot, and the other nodes have no work to do. regards! Yong On Tue, Dec

Re: Hbase Question

Hi Dalia, I think you can make a small sample of the table to do the test, then you'll find what's the difference of scan and count. because you can count it by human. Best regards, Andy 2012/12/24 Dalia Sobhy dalia.mohso...@hotmail.com Dear all, I have 50,000 row with diagnosis qualifier

Hbase Question

Dear all, I have 50,000 row with diagnosis qualifier = cardiac, and another 50,000 rows with renal. When I type this in Hbase shell, import org.apache.hadoop.hbase.filter.CompareFilter import org.apache.hadoop.hbase.filter.SingleColumnValueFilter import

HBase question

Dear all, I want to design Follower schema like Twitter. I have 2 design Design 1: userId{//rowkey followerId: time, } Design 2 : [userId][followerId]{//rowkey time: time } I have 2 question: 1. Does HBase support scan data of rowkey by column? 2. Which design is better? I think that

Re: HBase question

I have 2 question: 1. Does HBase support scan data of rowkey by column? You mean secondary indexes? No: http://hbase.apache.org/book.html#secondary.indices 2. Which design is better? I think that design 2 is better when user have large amount of follower. I cover a bunch of designs in this