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126 discussions - 620 posts

  • After reading the documentation and scouring the mailing list archives, I understand there is no real support for fast row counting in HBase unless you build some sort of tracking logic into your ...
    James BirchfieldJames Birchfield
    Sep 20, 2013 at 9:47 pm
    Sep 26, 2013 at 9:21 pm
  • Hi, I store a lot of columns for one row key and if the size become to big the relevant Region Server crashs if I try to get or scan the row. For example if I try to get the relevant row I got this ...
    Sep 11, 2013 at 11:08 am
    Sep 11, 2013 at 6:14 pm
  • I have a region that is very small, only 5MB. Despite it's size, it has 24 store files. The logs show that it's compacting (over and over again). The odd thing is that even though there are 24 store ...
    Tom BrownTom Brown
    Sep 24, 2013 at 3:51 pm
    Sep 25, 2013 at 2:22 am
  • Hi , I am very new in HBase. Could you please let me know , how to insert spatial data (Latitude / Longitude) in HBase using Java . -- View this message in context ...
    Sep 24, 2013 at 12:29 pm
    Oct 13, 2013 at 1:04 pm
  • Hi, I am seeing some warning message in Hregion log file for quite a few days. The message is : *WARN org.apache.hadoop.ipc.HBaseServer: (responseTooSlow) ...
    Vimal JainVimal Jain
    Sep 25, 2013 at 4:36 am
    Oct 24, 2013 at 6:53 am
  • Hi, I'm using HBase 0.94.6 (CDH 4.3) for Opentsdb. So far I have had no issues with writes/puts. System is handles upto 800k puts per seconds without issue. On average we do 250k puts per second. I ...
    OpenSource DevOpenSource Dev
    Sep 11, 2013 at 8:50 pm
    Sep 15, 2013 at 6:31 am
  • hi hbase ! Im getting "mixed messages" in the errors when creating a table in a simple hbase two node cluster. 1) My HMaster is clearly running: 21519 Manager 14748 HMaster 25110 Jps 9887 ...
    Jay VyasJay Vyas
    Sep 24, 2013 at 10:27 pm
    Sep 26, 2013 at 4:25 am
  • Hello, I've been running into this odd error when running a coprocessor on hbase-0.94.6: 13/09/30 14:53:35 INFO zookeeper.ZooKeeper: Client environment:zookeeper.version=3.4.5-1392090, built on ...
    Young KimYoung Kim
    Sep 30, 2013 at 10:02 pm
    Oct 1, 2013 at 1:57 pm
  • With 0.96 being imminent we should start a discussion about continuing support for 0.94. 0.92 became stale pretty soon after 0.94 was released. The relationship between 0.94 and 0.96 is slightly ...
    Lars hofhanslLars hofhansl
    Sep 4, 2013 at 12:30 am
    Sep 10, 2013 at 4:26 pm
  • Short description : I'd like to have 4000 tables in my HBase cluster. Will this be a problem? In general, what problems do you run into when you try to host thousands of tables in a cluster? Long ...
    Jeremy pJeremy p
    Sep 24, 2013 at 9:35 pm
    Sep 26, 2013 at 7:26 pm
  • Hello there, I use "stop-hbase.sh" to shut down HBase but I always got a core dump, stopping hbase./home/kchew/hbase-0.94.8/bin/stop-hbase.sh: line 58: 55477 Aborted (core dumped) nohup nice -n ...
    Kim ChewKim Chew
    Sep 20, 2013 at 12:17 am
    Sep 20, 2013 at 8:09 pm
  • Table Selectors does exist and contains data. I am unable to find out why this is happening. Any ideas? Is this a bug? Do I need to set permissions before I can get permission output? 1.9.3p429 :003 ...
    Sep 16, 2013 at 7:44 pm
    Sep 17, 2013 at 4:03 pm
  • Hi All, Please join me in welcoming Rajeshbabu (Rajesh) as our new HBase committer. Rajesh has been there for more than a year and has been solving some very good bugs around the Assignment Manger ...
    Ramkrishna vasudevanRamkrishna vasudevan
    Sep 11, 2013 at 4:18 pm
    Sep 14, 2013 at 1:25 am
  • We (Salesforce) are using HBase with JDK7. No issues seen so far. 0.94 is not "officially certified" to work on JDK7 (we have no JDK7 jenkins, etc). It might be good to setup a JDK7 jenkins for ...
    Lars hofhanslLars hofhansl
    Sep 4, 2013 at 12:36 am
    Sep 5, 2013 at 4:17 am
  • Hello, I was using HBase complete bulk load to transfer the output of ImportTsv to a table in HBase, and I noticed that it copies the output instead of cutting. This takes long time for my gigabytes ...
    M. BagherEsmaeilyM. BagherEsmaeily
    Sep 14, 2013 at 6:32 am
    Sep 16, 2013 at 6:33 am
  • Hello, In my understanding, the timestamp of each data version is generated by Put command. The value of TS is either indicated by user or assigned by HBase itself. If the TS is generated by HBase, ...
    Sep 27, 2013 at 2:24 pm
    Oct 1, 2013 at 4:10 am
  • Hi all, I'm running on Hadoop 1.0.4 with HBase 0.94.2 and I've bundled both (for client side use only) so that I could support execution of MR and/or HBase queries (and other client operations) from ...
    Amit SelaAmit Sela
    Sep 3, 2013 at 3:37 pm
    Sep 29, 2013 at 8:13 am
  • We were able to migrate one cluster to 0.95.2 (from 0.94.11) without any problems. But in another clusters, we have run into a few issues . Any pointers 13/09/13 07:57:09 FATAL wal.FSHLog: Could not ...
    Kiru PakkirisamyKiru Pakkirisamy
    Sep 13, 2013 at 4:27 pm
    Sep 16, 2013 at 8:01 pm
  • Hi, We have a bunch on tables in our HBase cluster. We have a script which makes sure all of them get Major Compacted once every 2 days. There are 2 things I'm observing 1) Table X has not updated in ...
    Premal ShahPremal Shah
    Sep 10, 2013 at 4:03 am
    Sep 11, 2013 at 2:12 am
  • I have rows in my Hbase whose keys are made up of 5 components. I would like to search my hbase using rowFilters by using only some(May be only the first 2 components ) of the components. I don't ...
    Sep 15, 2013 at 8:42 pm
    Oct 3, 2013 at 11:06 am
  • Hello, I have a "strange" situation that I can't wrap my head around it. Say, for example, I have an KeyValue instance, shouldn't myKV.getLength() == myKV.getBuffer().length ? Given that, ...
    Kim ChewKim Chew
    Sep 25, 2013 at 7:07 am
    Sep 28, 2013 at 12:21 am
  • Hi All, I have a secondary index(inverted index) table with a rowkey on the basis of Timestamp of an event. Assume the rowkey as <TimeStamp in Epoch . I also store some extra(apart from main_table ...
    Anil guptaAnil gupta
    Sep 23, 2013 at 9:43 pm
    Sep 26, 2013 at 6:58 am
  • Howdy all, I'm trying to use hbase for the first time (plenty of other experience with RDBMS database though), and I have a couple of questions after reading The Book. I am a bit confused by the ...
    Sep 17, 2013 at 4:45 pm
    Sep 18, 2013 at 5:56 pm
  • Dear All, Requirement is to delete all columns which belongs to a column family and for a particular rowkey. Have tried with the below command but record is not getting deleted. * hbase deleteall ...
    Ramasubramanian NarayananRamasubramanian Narayanan
    Sep 10, 2013 at 8:02 am
    Sep 16, 2013 at 7:06 pm
  • Hi I defined a distributed HBASE environment on a cluster of three servers server1 server2 server3 I would like to run a program using this HBASE from a fourth server : server4 I am connecting to ...
    Sznajder ForMailingListSznajder ForMailingList
    Sep 15, 2013 at 8:27 am
    Sep 15, 2013 at 3:42 pm
  • Hi All, I am getting the following error while runnig a simple hbase-mapreduce job to get one table data and write back to another table . 13/09/04 10:24:03 INFO mapred.JobClient: map 0% reduce 0% ...
    Job ThomasJob Thomas
    Sep 4, 2013 at 5:39 am
    Sep 9, 2013 at 6:00 pm
  • Hi, I needed to restart Hbase , and now it cannot find the master. This is a standalone installation, Here are some logs *[master.out] *when bin/hbase-start is run: $ cat current_fail_log | grep WARN ...
    Sep 26, 2013 at 1:12 am
    Sep 26, 2013 at 6:55 pm
  • I'm having an issue where my Hadoop MR job for bulk loading data into Hbase is not reading my hbase-site.xml file -- thus it tries to connect to Zookeeper on localhost. This is on a cluster using ...
    Dolan AntenucciDolan Antenucci
    Sep 23, 2013 at 8:39 pm
    Sep 25, 2013 at 4:44 pm
  • I have a very small cluster that holds a lot of data. In fact, it's almost at it's capacity from data size and ops/second perspectives. There are two region servers, each with about 180 regions (too ...
    Tom BrownTom Brown
    Sep 4, 2013 at 2:14 am
    Sep 25, 2013 at 3:08 pm
  • Hi, I have a column family that I want the number of columns on it has a specific limit, and when this number becomes greater than the limit, cells with least timestamp being removed, like TTL on ...
    M. BagherEsmaeilyM. BagherEsmaeily
    Sep 19, 2013 at 5:56 am
    Sep 25, 2013 at 7:16 am
  • Hi, Newbie here. hbase 0.94.11 hadoop 1.2.1 hive 0.11.0 I've created an HBase table in hbase shell using command: create 'mytable', 'f' I've loaded data into that table using a thrift Ruby client. A ...
    Michael KintzerMichael Kintzer
    Sep 16, 2013 at 11:33 pm
    Sep 18, 2013 at 5:50 pm
  • Hello Hbase users, Is it possible to set the max number of row versions of a table after its creation ? Sincerely G.
    Gaetan DeputierGaetan Deputier
    Sep 9, 2013 at 4:14 am
    Sep 9, 2013 at 9:11 am
  • I'm trying to execute a MR code over stand-alone HBase(0.94.11). I had read the HBase api and modified my MR code to read data and getting exceptions in the Reduce phase. The exception I get is ...
    Omkar JoshiOmkar Joshi
    Sep 5, 2013 at 6:17 am
    Sep 6, 2013 at 8:02 pm
  • Hi, I have reached a situation where good old ExportSnapshot fails Here is what I am doing 1) Create table MT2 2) Take a snapshot of MT2 - MT2SS1 3) Export MT2SS1 - works 4) Drop MT2, delete MT2SS1 ...
    Siddharth KarandikarSiddharth Karandikar
    Sep 30, 2013 at 1:37 pm
    Oct 1, 2013 at 12:25 pm
  • In http://hbase.apache.org/book/hbase_metrics.html we see """ 15.4.2. Warning To Ganglia Users Warning to Ganglia Users: by default, HBase will emit a LOT of metrics per RegionServer which may swamp ...
    Ron EcheverriRon Echeverri
    Sep 18, 2013 at 11:17 pm
    Sep 24, 2013 at 6:25 am
  • Congratulations Nick. From: lars hofhansl [<span class="m_body_email_addr" title="f7537f2a603464e75451b64653f871ae" larsh@apache.org</span ] Sent: Wednesday, September 11, 2013 7:30 AM To: <span ...
    Rajeshbabu chintaguntlaRajeshbabu chintaguntla
    Sep 11, 2013 at 3:46 am
    Sep 12, 2013 at 5:37 pm
  • Hello people, I have a scenario which requires creating composite row keys for my hbase table. Basically it would be <entity1,entity2,entity3 . Search would be based by entity1 and then entity2 and ...
    Praveenesh kumarPraveenesh kumar
    Sep 5, 2013 at 2:03 pm
    Sep 5, 2013 at 7:46 pm
  • Hi Guys, From last 1 week i have been trying to connect Phoenix to a secure HBase cluster. I have been working with Phoenix team to get it going( https://github.com/forcedotcom/phoenix/issues/382) ...
    Anil guptaAnil gupta
    Sep 2, 2013 at 6:10 pm
    Sep 4, 2013 at 6:30 am
  • Hi all, I have a question which is bugging me for more than a week. I'm doing some computation across 3 tables in hbase where 1 table is around 25m rows, 2nd table 5m rows and 3rd table 1m rows.. My ...
    Pavan SudheendraPavan Sudheendra
    Sep 2, 2013 at 1:32 pm
    Sep 3, 2013 at 7:29 am
  • Hi, http://pastebin.com/z9zPb49Y Looking at the log entries above, is it normal to have different size for memsize (164.8k) in the first entry and Finished memstore flush of ~128.1m for the third ...
    Sep 26, 2013 at 10:41 am
    Oct 1, 2013 at 2:15 am
  • A few days ago I pasted logs from my cluster which wont let me create a table: http://stackoverflow.com/questions/18993200/hbase-cant-create-table-who-to-blame-hmaster-or-zookeeper Even though ...
    Jay VyasJay Vyas
    Sep 27, 2013 at 6:14 pm
    Sep 30, 2013 at 9:18 pm
  • I use importtsv import data into HDFS, but during the power outage. Horrible, and then I re-import the data.(hbase 0.94) the exception org.apache.hadoop.hbase.client.NoServerForRegionException ...
    Kun yanKun yan
    Sep 26, 2013 at 2:31 am
    Sep 27, 2013 at 3:03 am
  • Hi, I am using hbase 0.94.11 and i feel a bit confuse when looking at the log file below: 13/09/24 13:11:00 INFO regionserver.Store: Flushed , sequenceid=687077, memsize= 122.1m, into tmp file ...
    Sep 24, 2013 at 11:09 am
    Sep 25, 2013 at 1:41 am
  • I'm executing MR over HBase. The business logic in the reducer heavily accesses two tables, say T1(40k rows) and T2(90k rows). Currently, I'm executing the following steps : 1.In the constructor of ...
    Omkar JoshiOmkar Joshi
    Sep 11, 2013 at 9:21 am
    Sep 11, 2013 at 6:11 pm
  • Hi all How can I know HBase in a table, the table using HDFS storage space? What is the command or in the HBase web page I can see?(version 0.94 hbase) -- In the Hadoop world, I am just a novice, ...
    Kun yanKun yan
    Sep 11, 2013 at 5:37 am
    Sep 11, 2013 at 1:54 pm
  • Hi, I'm trying to run Hbase with hadoop 2.1.0 beta. Witch hbase version should I use? I made some tests with 0.95.2 compiling with 2.0 profile but I faced protobuf issues. Thanks, -- Marcos Sousa
    Marcos SousaMarcos Sousa
    Sep 10, 2013 at 8:26 pm
    Sep 11, 2013 at 7:34 am
  • Hi Guys, It's possible to Export Snapshot with Amazon S3 or Glacier. Currently we have two hbase cluster running on same datacenter. We want backup solution for Hbase data. want redundant backup ...
    Dhanasekaran AnbalaganDhanasekaran Anbalagan
    Sep 9, 2013 at 8:01 pm
    Sep 10, 2013 at 12:45 am
  • Dear All, For the below 1 to many relationship column sets, require suggestion on how to design a Flatten HBase table... Kindly refer the attached image for the scenario... Pls let me know if my ...
    Ramasubramanian NarayananRamasubramanian Narayanan
    Sep 5, 2013 at 5:05 am
    Sep 5, 2013 at 7:48 pm
  • Hi everyone, I posted this question many time before and i've given full details on stackoverflow.. http://stackoverflow.com/q/19056712/938959 Please i need someone to guide me in the right direction ...
    Pavan SudheendraPavan Sudheendra
    Sep 27, 2013 at 5:34 pm
    Sep 27, 2013 at 6:30 pm
  • Hi all. I'm doing a project for my university so that i have to know perfectly how all the Hbase ports work. Studing the documentation i found that Zookeeper accept connection on port 2181, Hbase ...
    John FoxinheadJohn Foxinhead
    Sep 23, 2013 at 7:50 pm
    Sep 26, 2013 at 12:48 pm
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132 users for September 2013

Ted Yu: 68 posts Jean-Marc Spaggiari: 44 posts Lars hofhansl: 24 posts Anil gupta: 19 posts Jean-Daniel Cryans: 18 posts Kun yan: 18 posts Tom Brown: 16 posts James Birchfield: 15 posts Kiru Pakkirisamy: 13 posts John: 12 posts Shahab Yunus: 12 posts Vladimir Rodionov: 12 posts Kim Chew: 10 posts M. BagherEsmaeily: 10 posts Ramasubramanian Narayanan: 9 posts Brian geary: 8 posts Jay Vyas: 8 posts Michael Stack: 8 posts Vimal Jain: 8 posts Dhaval Shah: 7 posts
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