Grokbase Groups HBase user March 2008

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26 discussions - 150 posts

  • Hi Folks, I have a table with the following column families in the schema {"referer_id:", "100"}, (Integer here is max length) {"url:","1500"}, {"site:","500"}, {"status:","100"} The common ...
    Mar 25, 2008 at 1:34 pm
    Apr 9, 2008 at 2:25 pm
  • Hi I use hbase 0.2. devel from trunk and hadoop 0.17, and i lost all tables after restart hbase. I do : 1) start hadoop dfs 2) start hbase 3) create table X 4) make insert to table X 5) select from X ...
    Mar 27, 2008 at 12:56 pm
    Apr 3, 2008 at 5:18 pm
  • I don't understand . Why explicit connection pooling is no need ? When we use HBase in some app such as search engine, we need to read from table then give user a response.
    Ma qiangMa qiang
    Mar 13, 2008 at 4:30 pm
    May 13, 2008 at 5:24 pm
  • Hi I'm totally new to Hbase and Hadoop and just checking it out to see if we can use it. So I'm just trying to get it up and running, and after some snooping around I think I got Hadoop up and ...
    Erik HolstadErik Holstad
    Mar 14, 2008 at 7:46 pm
    Apr 14, 2008 at 11:10 pm
  • Newbie user questions. Can you correct me if I am wrong in my following statements: I have looked into querying against hBase and come up with a few paths to do this, from the hBase shell I can use ...
    Mar 3, 2008 at 3:02 am
    Mar 3, 2008 at 11:42 pm
  • Hi, When using Htable APIs, I don't see any method for closing the underlying connection(s). How are connections to Region serves handled in case a thread using Htable dies abruptly ? In other words ...
    Goel, AnkurGoel, Ankur
    Mar 18, 2008 at 1:13 pm
    Mar 26, 2008 at 4:59 am
  • All, One of the more common types of questions we get from people new to HBase are about the differences in the schema between HBase and relational databases. So that we can generate some good ...
    Bryan DuxburyBryan Duxbury
    Mar 28, 2008 at 5:03 am
    Mar 28, 2008 at 3:02 pm
  • Hi All, I've downloaded hadoop-0.16.1-hbase.jar from I try to implement a simple program, and I am stuck in the following line of code: BatchUpdate b = new ...
    Naama KrausNaama Kraus
    Mar 16, 2008 at 8:27 am
    Mar 17, 2008 at 6:26 pm
  • I have had thoughts for the same usage of hBase/Hadoop, that is as a backend for a dynamic site. SCHEMA DESIGN: My application had about 8 tables in it, all relational, after reading what I could ...
    Mar 9, 2008 at 9:43 am
    Mar 12, 2008 at 5:13 pm
  • I am trying to set up an hbase cluster, and the nodes are unable to communicate with each other. I have the following slightly unusual setup: - Each machine has two NICs: NIC1: - accessible outside ...
    Marc HarrisMarc Harris
    Mar 4, 2008 at 2:47 pm
    Mar 6, 2008 at 10:52 am
  • Hi is there any posibility to connect to hbase from remote machine ? i have two machines : A and B, and i have setup on A hadoop 0.17 with newest hbase from svn. but i cant connect from B to A:60000. ...
    Mar 20, 2008 at 4:07 pm
    Mar 22, 2008 at 9:07 am
  • DonyeeDonyee
    Mar 6, 2008 at 8:58 am
    Mar 24, 2008 at 6:03 am
  • There has been some negative feedback on the release candidate. What I'd like people to do is vote on the following issues. Are they blockers (+1 if they are a blocker, -1 if not)? HBASE-527 ...
    Jim KellermanJim Kellerman
    Mar 21, 2008 at 5:49 pm
    Mar 24, 2008 at 5:25 am
  • Does anyone have any experience with backing up data for an HBase cluster on Amazon EC2 instances? We could take snapshots of the filesystem on a regular basis and dump to S3, but I was wondering if ...
    Joost OuwerkerkJoost Ouwerkerk
    Mar 20, 2008 at 11:59 pm
    Mar 21, 2008 at 4:28 am
  • Hi, I am trying to upload close to 4 GB of data on hbase, but I am not able to do. Following are my observations: 1. Before failing number of rows inserted were about 800,000, and the time taken for ...
    Ved PrakashVed Prakash
    Mar 14, 2008 at 5:43 am
    Mar 14, 2008 at 4:36 pm
  • Hi, Yesterday I shutdown my hbase master, and then I shutdown dfs. I am trying to start hbase master today and it doesn't start. First I started dfs using and then I tried starting hbase ...
    Ved PrakashVed Prakash
    Mar 12, 2008 at 3:03 pm
    Mar 13, 2008 at 5:55 am
  • It seems like I've seen a lot of mentions of running large data analysis jobs on Hadoop clusters, but I can't recall reading anything about hosting a website on a Hadoop cluster. I'm just starting to ...
    Charlie O'KeefeCharlie O'Keefe
    Mar 7, 2008 at 5:37 pm
    Mar 7, 2008 at 6:37 pm
  • There is a REST interface to HBase. See for the specification. --- Jim Kellerman, Senior Engineer; Powerset No virus found in this outgoing message. ...
    Jim KellermanJim Kellerman
    Mar 11, 2008 at 5:13 pm
    Mar 11, 2008 at 7:00 pm
  • I have used hbase quite a bit but never reached a traffic level above 100mbps. Just seeing if anyone out there has used a gigabit switch and ever seen a speed from hbase top 100mbps for any period of ...
    Mar 8, 2008 at 7:55 am
    Mar 8, 2008 at 6:41 pm
  • All, I threw together a blog post about the HBase Users' Group Meeting from last night. You can find it at -Bryan
    Bryan DuxburyBryan Duxbury
    Mar 5, 2008 at 10:34 pm
    Mar 5, 2008 at 11:00 pm
  • So you're saying that in order up upload 40G of data, I need a 2G heap for a data node and a 2G heap for a region server? That seems way out of proportion. And that if I don't have that much ...
    Marc HarrisMarc Harris
    Mar 3, 2008 at 2:59 pm
    Mar 3, 2008 at 6:00 pm
  • -- Harish Mallipeddi :
    Harish MallipeddiHarish Mallipeddi
    Mar 30, 2008 at 5:14 am
    Mar 30, 2008 at 5:14 am
  • For download and release notes, see HBase 0.1.0 has many stability improvements over our last release, the HBase that was bundled under contrib in Hadoop ...
    Mar 28, 2008 at 8:07 am
    Mar 28, 2008 at 8:07 am
  • Hi all, If I can not close the connection to HBase using HTable, after the object was set as null . Whether the resource of this connection will be release ? The code as below; public class MyMap ...
    Ma qiangMa qiang
    Mar 13, 2008 at 8:58 am
    Mar 13, 2008 at 8:58 am
  • Unless there are some unstated requirements, a simple Java program can do what you want. pseudo code: open csv file using open table in hbase: HTable table = new HTable(conf,mytablename) ...
    Jim KellermanJim Kellerman
    Mar 11, 2008 at 5:07 pm
    Mar 11, 2008 at 5:07 pm
  • When I run HBase shell, it looks like the column was Null for some reason that causes this. hql DELETE * FROM test-table; 08/02/29 18:45:17 INFO client.HBaseAdmin: Disabled table test-table Exception ...
    Andy LiAndy Li
    Mar 1, 2008 at 12:18 am
    Mar 1, 2008 at 12:18 am
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31 users for March 2008

Stack: 32 posts Goel, Ankur: 24 posts Jim Kellerman: 13 posts Bryan Duxbury: 11 posts Naama Kraus: 10 posts Jean-Daniel Cryans: 7 posts David Alves: 5 posts Edward yoon: 5 posts Alexthompson: 4 posts Cure: 4 posts Clint Morgan: 3 posts Marc Harris: 3 posts Peeyush Bishnoi: 3 posts Ved Prakash: 3 posts Andy Li: 2 posts Donyee: 2 posts Jim R. Wilson: 2 posts Joost Ouwerkerk: 2 posts Ma qiang: 2 posts Ning Li: 2 posts
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