Grokbase Groups HBase user June 2008

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40 discussions - 158 posts

  • Hi, I was trying to figure out how to write a MapReduce job above HBase but couldn't find a complete example. What I did, I fished pieces from various sources (HBase tests, examples, source code ...) ...
    Naama KrausNaama Kraus
    Jun 19, 2008 at 12:03 pm
    Aug 23, 2009 at 8:51 pm
  • Hi, I have just installed Hbase, but it doesn't start. It says the file system needs upgrading. I have tried the commad "hbase migrate upgrade" with no luck. Follwing is the error dump: Note: I am ...
    Rohana RajapakseRohana Rajapakse
    Jun 3, 2008 at 3:35 pm
    Jun 4, 2008 at 2:44 pm
  • Hi, I wonder if anyone knows how to do development using HBASE in Windows. I could not find any instructions. Thanks,
    Jun 15, 2008 at 5:44 pm
    Jun 17, 2008 at 7:27 pm
  • Sorry for spam, but looks like I send this message as a replay to some other post, so one more time: Hi I have a problem with scanner on HTable object: I have a table with GUID-based rowId. I would ...
    Krzysztof GałęckiKrzysztof Gałęcki
    Jun 18, 2008 at 3:22 pm
    Jun 18, 2008 at 5:33 pm
  • Here's a new 0.1.3 release candidate: Please try it out. Voting closes Friday, June 20th. (Candidate 1 was squashed because a couple of more ...
    Jun 18, 2008 at 8:42 pm
    Jun 27, 2008 at 12:34 am
  • Hi very short... Can we use hbase as an embedded version inside java program? thanks in advance, Shiraz
    Shiraz MemonShiraz Memon
    Jun 23, 2008 at 10:45 am
    Jun 23, 2008 at 5:32 pm
  • I've put up the first release candidate for hbase 0.1.3 here: (Candidates used to be zero-based. Lets make them 1-based from here on out. Its ...
    Jun 10, 2008 at 8:02 pm
    Jun 10, 2008 at 11:18 pm
  • I see the below error a lot when the region server seams to just stop and wait a few secs to a min then it go's on like nothing happened sometimes hangeing my MR task but these errors are the only ...
    Billy PearsonBilly Pearson
    Jun 5, 2008 at 8:33 am
    Jun 6, 2008 at 10:23 pm
  • One of the servers that acts as a hadoop and hbase node in our cluster went down. After the machine was brought back up I restarted hbase but could not interact with it. After checking the logs on ...
    Preston PricePreston Price
    Jun 26, 2008 at 11:19 pm
    Jul 1, 2008 at 5:08 pm
  • I'm playing with latest hbase trunk and noticed there is a region close-then-assign looping. I have 3 region servers and total regions are about 108, and the avgLoad is 36.0, then this code in ...
    Rong-en FanRong-en Fan
    Jun 8, 2008 at 2:53 am
    Jun 8, 2008 at 9:35 am
  • Hi all, I got this problem of tables that are present in the hbase but hbase "is not fully aware" of their presence Here is what I do in jrib shell: ----- checking if table allusers_counters exists ...
    Krzysztof SzlapinskiKrzysztof Szlapinski
    Jun 19, 2008 at 11:20 am
    Jul 7, 2008 at 9:30 pm
  • Hi, I've been looking through the HBase code and I was wondering if I could get some clarification on two points. 1. Why doesn't HRegion's static merge method check that the two regions specified are ...
    Andra AdamsAndra Adams
    Jun 27, 2008 at 12:34 am
    Jun 27, 2008 at 2:31 pm
  • Hi Hbase 0.2.0 dev - fresh from trunk Example : I have a table x with column : 'col'. i put somevalue into column 'col' for row 'aaa': HTable table = new HTable("x"); BatchUpdate batch = new ...
    Jun 22, 2008 at 7:48 pm
    Jun 23, 2008 at 7:41 pm
  • Hi. Anyone tried to implement HBase as storage for: * CrawlDB * LinkDB * Fetched and parsed url data It would certainly be cool I think to be able to search in all these three db's. Currently it is a ...
    Marcus HerouMarcus Herou
    Jun 17, 2008 at 5:40 pm
    Jun 21, 2008 at 12:19 pm
  • Hi, I found one mistake (although very minor) in class which is given as an example test case for beginners in getting started page. I suggest to replace the following line *new ...
    Shiraz MemonShiraz Memon
    Jun 26, 2008 at 8:53 am
    Jun 26, 2008 at 3:44 pm
  • I've noticed that the region list displayed by regionserver.jsp now sort of contains the splitting history. Is that intentional? micha Region Name Encoded Name Start Key End Key ... ...
    Michaela BuergleMichaela Buergle
    Jun 24, 2008 at 1:36 pm
    Jun 25, 2008 at 12:56 pm
  • can i save lots of data into one cell with different column tag names? like: : : : -- View this message in context: Sent from the ...
    Jun 18, 2008 at 7:21 am
    Jun 18, 2008 at 1:21 pm
  • hi i use recent ver of trunk - and i'm realy know what it implicates (:)). first - sugesion : there are group of methods "getRow" and group "getScanner" - both get as param array of collumns but in ...
    Jun 15, 2008 at 10:33 pm
    Jun 16, 2008 at 8:55 pm
  • Hi, I have some questions regarding HBase and locality issues - I'd appreciate some explanations and clarifications. I understand HBase is built on top of HDFS. Say an HRegionServer creates a ...
    Naama KrausNaama Kraus
    Jun 15, 2008 at 10:39 am
    Jun 16, 2008 at 3:23 am
  • Hi, Is there any way that I can get all contents from META region? I was asking because I'm inserting lots of data into a 3 box setup. After a period of time, my client shows 'xxx' table was not ...
    Rong-en FanRong-en Fan
    Jun 12, 2008 at 1:53 pm
    Jun 13, 2008 at 3:58 am
  • Do scanner leases get renewed upon calling next? I've been seeing odd behavior. I set the lease timeout to 30 minutes and I've been running a TableMap (not a identity one - there is processing in the ...
    Daniel LeffelDaniel Leffel
    Jun 13, 2008 at 12:19 am
    Jun 13, 2008 at 12:43 am
  • 晋光峰晋光峰
    Jun 5, 2008 at 4:18 pm
    Jun 6, 2008 at 2:37 am
  • Hi, I have 2 questions about column family 1. HTable.get() only return the value of a column in a row, how to get all values of a column family in a row? I guess the answer is obtainScanner, right? ...
    Jun 27, 2008 at 7:40 am
    Jun 27, 2008 at 11:19 am
  • Well the current hbase release 0.1.2 is shipped with hadoop-0.16.3, how can i use 0.17.0 instead? i followed the instruction on wiki but hbase just cant start up:( Thanks.
    Jun 26, 2008 at 3:49 pm
    Jun 26, 2008 at 4:04 pm
  • I have a local cluster running, and its logging to <hbase /log_X.X.X.X_1213228101021_60020/ Then I kill both master and regionserver, and restart. Looking through the logs I don't see anything about ...
    Clint MorganClint Morgan
    Jun 12, 2008 at 12:15 am
    Jun 18, 2008 at 10:34 pm
  • hi all, I'm just in the middle of a process of creation of more than 30 empty tables in a row on a cluster of 3 machines I've just ran a batch script in the jruby shell and I'm observing what happens ...
    Krzysztof SzlapinskiKrzysztof Szlapinski
    Jun 18, 2008 at 3:40 pm
    Jun 18, 2008 at 5:05 pm
  • After a while when everything work fine, the master died and now we are trying to start it up again and got this message when starting up, we have cleaned ...
    Erik HolstadErik Holstad
    Jun 12, 2008 at 9:00 pm
    Jun 16, 2008 at 7:04 pm
  • Dears, I setup hbase(0.1.2) app on hadoop(0.16.4) distributed framework to do some test. When i write data to hbase tables, after some running time, the hbase throws below errors: ...
    Jun 10, 2008 at 6:21 am
    Jun 10, 2008 at 5:29 pm
  • hi all, to better understand how hbase works i started reading this document and created some diagrams here they are (png, and svg for editing): ...
    Krzysztof SzlapinskiKrzysztof Szlapinski
    Jun 10, 2008 at 1:11 pm
    Jun 10, 2008 at 5:11 pm
  • when I pull some results the come back in array that are thrift object example $hbase = thrift connection $data = $hbase- scannerGet($id); print_r($data); [php ouput] thrift_code_ScanEntry Object ( ...
    Billy PearsonBilly Pearson
    Jun 7, 2008 at 2:55 am
    Jun 7, 2008 at 3:44 am
  • Newbie Question: I am trying to write a MapReduce from a text file in HDFS into a HBase table. I am getting the following run-time error 08/06/05 17:24:08 INFO mapred.JobClient: Task Id : ...
    William Clay MoodyWilliam Clay Moody
    Jun 5, 2008 at 9:43 pm
    Jun 5, 2008 at 10:00 pm
  • Hi all, I have some data very important on hbase in my cluster. Now I want to make a backup in another place, so if my cluster crash, I can recover my contents easily using this backup,or I can ...
    Ma qiangMa qiang
    Jun 3, 2008 at 12:13 pm
    Jun 3, 2008 at 12:20 pm
  • Greetings, I have two different servers running HBase, one a Master and the other a RegionServer. When I look at the HBase Master management webpage, I see that the regions are not balanced across ...
    Jun 2, 2008 at 10:54 pm
    Jun 3, 2008 at 12:20 am
  • HBASE-33 has a proposed implementation. However, it also points out that the changes required on the server side are fairly extensive and would probably delay the release of hbase-0.2.0 Is this issue ...
    Jim KellermanJim Kellerman
    Jun 30, 2008 at 7:29 pm
    Jun 30, 2008 at 7:29 pm
  • hbase-0.1.3 is available for download: hbase-0.1.3 resolves 20 issues [1] including fixes for a regionserver deadlock, non-splitting in the presence ...
    Jun 27, 2008 at 10:15 pm
    Jun 27, 2008 at 10:15 pm
  • Hi, I've been looking through the HBase code and I was wondering if I could get some clarification on two points. 1. Why doesn't HRegion's static merge method check that the two regions specified are ...
    Andra AdamsAndra Adams
    Jun 27, 2008 at 12:36 am
    Jun 27, 2008 at 12:36 am
  • Hoang Anh TuanHoang Anh Tuan
    Jun 26, 2008 at 5:12 pm
    Jun 26, 2008 at 5:12 pm
  • Hello all, Anyone tried before to implement Hadoop, Hbase and Kosmos File System (kfs) ? I would be happy to hear the news about. Peace, Kunthar
    Jun 20, 2008 at 1:28 am
    Jun 20, 2008 at 1:28 am
  • Hello, I am happy to announce the first German Hadoop Meetup in Berlin. We will meet at 5 p.m. MESZ next Tuesday (24th of June) at the newthinking store in Berlin Mitte: newthinking store GmbH ...
    Isabel DrostIsabel Drost
    Jun 17, 2008 at 5:43 am
    Jun 17, 2008 at 5:43 am
  • Maybe someone here can explain this to me Setup I am running a bulk import of large columns size average 15KB (web pages source) or so per record I have one region server with only 1 region no splits ...
    Billy PearsonBilly Pearson
    Jun 2, 2008 at 1:10 am
    Jun 2, 2008 at 1:10 am
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38 users for June 2008

Stack: 37 posts Jim Kellerman: 13 posts Jean-Daniel Cryans: 10 posts Naama Kraus: 10 posts Rong-en Fan: 7 posts Acure: 6 posts Billy Pearson: 6 posts Ma qiang: 6 posts Rohana Rajapakse: 6 posts Bryan Duxbury: 4 posts Clint Morgan: 4 posts Daniel Blaisdell: 4 posts Shiraz Memon: 4 posts Daniel Leffel: 3 posts Jonathan Gray: 3 posts Krzysztof Gałęcki: 3 posts Krzysztof Szlapinski: 3 posts Steven: 3 posts 晋光峰: 3 posts Andra Adams: 2 posts
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