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44 discussions - 217 posts

  • Hi, Hbase is installed correctly and working (hbase shell works fine). But I'm not able to use the Java API to connect to an existing Hbase Table: <<< val conf = HBaseConfiguration.create() ...
    Dec 16, 2014 at 2:22 pm
    Jan 14, 2015 at 1:56 pm
  • given that CDH4 is hbase 0.94 i dont believe nobody is using it. for our clients the majority is on 0.94 (versus 0.96 and up). so i am going with 1), its very stable!
    Koert KuipersKoert Kuipers
    Dec 15, 2014 at 7:48 pm
    Dec 16, 2014 at 9:14 pm
  • Hi All, TLDR; in the absence of HTablePool, if HTable instances are short-lived, how should clients use buffered writes? I’m working on migrating a codebase from using 0.94.6 (CDH4.4) to 0.98.6 ...
    Aaron BeppuAaron Beppu
    Dec 18, 2014 at 2:45 am
    Dec 25, 2014 at 1:39 pm
  • Hi, I'm using HConnectionManager from java servlet Looks like it's leaking, all my zookeepers complains that there is too many connections from servlet hosts. Typical line from lZK log: oo many ...
    Serega SheypakSerega Sheypak
    Dec 12, 2014 at 10:50 am
    Dec 15, 2014 at 7:50 pm
  • I've done a bit of digging and hope someone can shed some light on my particular issue. One and Only One of my region servers after each restart is randomly "Plagued" with a single maxed out CPU-Core ...
    Dec 15, 2014 at 3:28 pm
    Dec 19, 2014 at 7:36 pm
  • Hi, I have got a collection of HBase clusters. Each cluster is running separate instances of Zookeeper, Hadoop & HBase. The clusters are either single node or three node setups. I am getting constant ...
    Robert KentRobert Kent
    Dec 1, 2014 at 11:27 am
    Dec 3, 2014 at 12:09 pm
  • Hey all, So, I'm currently evaluating HBase as a solution for querying a very large data set (think 60+ TB). We'd like to use it to directly power a customer-facing product. My question is ...
    Jeremy pJeremy p
    Dec 5, 2014 at 9:38 pm
    Dec 7, 2014 at 6:23 am
  • Hi ,all I deploy Hbase0.98.6-cdh5.2.0 on 3 machine: l-hbase1.dev.dba.cn0(hadoop namenode active, HMaster active) l-hbase2.dev.dba.cn0(hadoop namenode standby, HMaster standby, hadoop datanode) ...
    Mail listMail list
    Dec 5, 2014 at 6:36 am
    Dec 9, 2014 at 2:14 am
  • Hello, I am bulk loading a set of files (about 400MB each) with "|" as the delimiter using ImportTsv. It takes a long time for the 'map' job to complete on both a 4 node and a 16 node cluster. I ...
    Rama RamaniRama Ramani
    Dec 19, 2014 at 9:45 pm
    Jan 11, 2015 at 1:42 am
  • My cdh5.2 cluster has a problem to run hbase MR jobs. For example, I added the hbase classpath into the hadoop classpath: vi /etc/hadoop/conf/hadoop-env.sh add the line: export ...
    Ehud LevEhud Lev
    Dec 9, 2014 at 2:56 pm
    Dec 16, 2014 at 2:13 pm
  • Hello- We are seeing recurring timeouts in communications with one our RSs. The error we see in our logs is: Caused by: java.net.SocketTimeoutException: Call to <rs host ./<rs ip :<port failed on ...
    Ted TuttleTed Tuttle
    Dec 3, 2014 at 3:14 pm
    Dec 5, 2014 at 8:42 am
  • I want to figure out all the movements made by a region given a time interval. This will be useful for debugging purposes. For example if region A moved from S1 - S2 - S3. I want to get all the ...
    Dec 1, 2014 at 3:46 am
    Dec 2, 2014 at 1:29 am
  • Are there any plans for including a Filter for Delete? Currently, the only way seems to be via checkAndDelete in HTable/Table. This is helpful but does not cover all use cases. For e.g., I use column ...
    Devaraja SwamiDevaraja Swami
    Dec 24, 2014 at 9:35 pm
    Dec 25, 2014 at 4:52 am
  • Hi, all, Recently, one of our HBase 0.98.5 instance meet with issues: when run some specific workload, all region servers will suddenly shut down at same time, but master is still running. When I ...
    Liu, Ming (HPIT-GADSC)Liu, Ming (HPIT-GADSC)
    Dec 2, 2014 at 5:24 am
    Dec 2, 2014 at 3:08 pm
  • Hi, i upgrade from hdp2.1 to hdp2.2 and i got two quesions 1. i run cmd to restart zookeeper: export ZOOCFGDIR=/usr/hdp/current/zookeeper-server/conf;export ZOOCFG=zoo.cfg; source ...
    Charlot WCharlot W
    Dec 25, 2014 at 8:13 pm
    Dec 26, 2014 at 7:33 am
  • Folks, We are trying to control space usage and manage security at HBase namespace level. Think of it in terms of a RDBMS (database and superuser for a database). Is there a simple way to do this? ...
    Manoj MurumkarManoj Murumkar
    Dec 20, 2014 at 6:32 am
    Dec 20, 2014 at 8:33 am
  • Hello Experts, I've come across multiple posts where users want to read/write to hbase from Spark/Spark-streaming apps and everyone has to implement the same logic. Does HBase has (or is there any ...
    Mukesh JhaMukesh Jha
    Dec 15, 2014 at 6:51 am
    Dec 19, 2014 at 2:30 pm
  • Hi I formaed cluster in linux successfully.But i can't create Hbase_cluster in windows.so please give the solution to me for how to create hbase cluster in windows. Thanks&Regards -- View this ...
    Dec 17, 2014 at 4:13 pm
    Dec 18, 2014 at 7:08 pm
  • Hi All, My Hbase admin has set up kerberos authentication in our cluster. Now all the HBase Java client API calls hang indefinitely. I could scan/get in HBase shell, but when I do the same through ...
    AnandaVelMurugan Chandra MohanAnandaVelMurugan Chandra Mohan
    Dec 10, 2014 at 6:13 am
    Dec 10, 2014 at 10:28 am
  • Hi All, I have timeseries data that has most of the the regions completely inactive. With my current set of resources and estimates, I would end up with close to 15TB of data per RegionServer and ...
    Gaurav AgarwalGaurav Agarwal
    Dec 28, 2014 at 9:41 pm
    Dec 29, 2014 at 6:27 am
  • Hi, When an Hbase RS goes down(possibly because of hardware issues etc), the regions get moved off that machine to other Region Servers. However, since the new region servers do not have the backing ...
    Rahul RavindranRahul Ravindran
    Dec 26, 2014 at 7:43 am
    Dec 27, 2014 at 8:19 am
  • Hi I am getting: [email protected], java.io.IOException: Call to regionserver1/ failed on local exception ...
    Margus RooMargus Roo
    Dec 9, 2014 at 6:45 am
    Dec 9, 2014 at 2:32 pm
  • Currently some system cleaning tasks do read all the rows, and then perform some operations on that. It impacts other users who are being served at the same time. System cleaning tasks are of lower ...
    Dec 7, 2014 at 5:35 pm
    Dec 9, 2014 at 12:07 am
  • Related to the complete log as attachment!‍ ------------------ 原始邮件 ------------------ 发件人: "175998806";<<span class="m_body_email_addr" title="575665b8dda285e5b501e85f111cc34e" ...
    Dec 3, 2014 at 10:29 am
    Dec 8, 2014 at 11:40 am
  • Hey folks, I am trying to write a map reduce in pig against my hbase table.I have a salting in my rowkey appended with reverse timestamps ,so I guess the best way is to do a scan for all the dates ...
    Nishanth SNishanth S
    Dec 5, 2014 at 5:55 pm
    Dec 5, 2014 at 6:25 pm
  • Hi, I have a many to many relationship that I am trying to model in hbase, and I want to be sure I am not missing anything so please let me know or point to the right documentation. Let's say I have ...
    Marc SturmMarc Sturm
    Dec 4, 2014 at 12:34 pm
    Dec 5, 2014 at 4:10 pm
  • Hi, all, I submit a new patch to fix the data skew issue in HBase-Mapreduce jobs. Would you please take a look at this new patch and give me some advice? ...
    Dec 1, 2014 at 2:58 am
    Dec 1, 2014 at 3:12 am
  • hi, im trying to add a region server to my hbase cluster and im facing some problems.. im running a old hbase version - 0.90.3.. this is what happens - 1) on the new region server, i see these ...
    T Vinod GuptaT Vinod Gupta
    Dec 22, 2014 at 3:54 pm
    Dec 22, 2014 at 4:46 pm
  • Hi, Can HBase be used or best fit for Real Time Analytics?. I went through couple of benchmark between Cassandra Vs HBase (most of it done 3 years ago). It mentioned that HBase is designed for ...
    Dec 18, 2014 at 4:43 am
    Dec 18, 2014 at 4:51 am
  • Hello, I am designing an architecture for a website to show analytics on a huge quantity of data. This data is stored in one HBase table and needs to be accessed in a semi-random manner. Typically, a ...
    Scott RichterScott Richter
    Dec 16, 2014 at 2:15 pm
    Dec 16, 2014 at 5:19 pm
  • Hi all, I am trying to bulk load some network-data into an Hbase table. My mapper emits ImmutableBytesWritable, KeyValue pairs. I declare a pre-splitted table where the column families have ...
    Shashwat MishraShashwat Mishra
    Dec 14, 2014 at 6:39 pm
    Dec 14, 2014 at 7:01 pm
  • Hi i want to get all column qualifiers and corresponding cell values for the Rowkey for example below is table structure hbase(main):002:0 scan "people" ROW COLUMN+CELL <span ...
    Beeshma rBeeshma r
    Dec 9, 2014 at 6:24 pm
    Dec 10, 2014 at 1:22 am
  • Hi , I am beginner trying to configure HBase using Getting started guide. I am at configuring pseudo distributed mode. When I use the regular file system, it is working fine, but when I use HDFS I ...
    Sivasubramaniam, LathaSivasubramaniam, Latha
    Dec 8, 2014 at 8:37 pm
    Dec 8, 2014 at 10:54 pm
  • Hi, I am using hbase 0.94.6 (CDH 4.5). I saw that my oldLogs folder keeps growing to 4.4T. This stopped at early October, but still the files doesn't being cleaned. Can I delete them? Why do i need ...
    Yaniv YancovichYaniv Yancovich
    Dec 8, 2014 at 9:37 pm
    Dec 8, 2014 at 9:51 pm
  • Hi, i read the blog below: https://blogs.apache.org/hbase/entry/coprocessor_introduction and try to run the code, but CoprocessorProtocol,BaseEndpointCoprocessor are not found. i am using hdp2.1, ...
    Charlot WCharlot W
    Dec 8, 2014 at 8:04 pm
    Dec 8, 2014 at 9:44 pm
  • dear all! I used the importtsv tools trnaslate the txt file to the Hfile (hadoop 2.2.0 ,hbase 0.96.2).Map procedure have many the concurent progress,but reduce procedure has always 1 progress.How do ...
    Dec 4, 2014 at 1:02 pm
    Dec 4, 2014 at 1:10 pm
  • Hi, I am using Hadoop 2.5.1 and HBase 0.98.8. I an getting the following error when I give some command in hbase shell, I am using internal zookeeper. 2014-12-01 20:02:19,282 ERROR [main] ...
    Dhamodharan RamalingamDhamodharan Ramalingam
    Dec 1, 2014 at 6:37 am
    Dec 1, 2014 at 11:59 am
  • Hi, Happy holidays :). I have 2 different pig scripts with the statement below (1) GeoRef_IP = LOAD '$TBL_GEOGRAPHY' USING org.apache.pig.backend.hadoop.hbase.HBaseStorage('cf_data:cq_geog_id ...
    Krishna KalyanKrishna Kalyan
    Dec 29, 2014 at 7:13 am
    Dec 29, 2014 at 7:13 am
  • Hi, if I can guarantee that the size of the array/map is reasonable small, what would be the best way to reduce to an array, arrayList, map or somthing like that? Something like TableReducer, but for ...
    Wilm SchumacherWilm Schumacher
    Dec 18, 2014 at 12:14 am
    Dec 18, 2014 at 12:14 am
  • Hi, I have been working on a Netty 4 based async HBase client to fit better within the event driven server I have been developing. - https://github.com/jurmous/async-hbase-client/tree/HBase-0.99 ...
    Jurriaan MousJurriaan Mous
    Dec 17, 2014 at 5:53 pm
    Dec 17, 2014 at 5:53 pm
  • I am trying to import data into HBase table and tried the following as an example, bin/hbase org.apache.hadoop.hbase.mapreduce.ImportTsv -Dimporttsv.columns=HBASE_ROW_KEY,b,c datatsv hdfs://data.tsv ...
    Sivasubramaniam, LathaSivasubramaniam, Latha
    Dec 16, 2014 at 12:28 am
    Dec 16, 2014 at 12:28 am
  • On January 15th, we're meeting at AppDynamics in San Francisco. We have some nice talks linked up [1]. On Feb 17th, lets meet around Strata+Hadoop World in San Jose. If you are interested in hosting ...
    Michael StackMichael Stack
    Dec 15, 2014 at 6:47 pm
    Dec 15, 2014 at 6:47 pm
  • Hi All, We are getting below error while inserting data into HBase. We are using 0.98.3 version of HBase. *Error:* Failed to identify the fs of dir /tmp/test/hbase/lib, ignored java.io.IOException ...
    Ankit JainAnkit Jain
    Dec 11, 2014 at 1:28 pm
    Dec 11, 2014 at 1:28 pm
  • dear all! I used the importtsv tools trnaslate the txt file to the Hfile (hadoop 2.2.0 ,hbase 0.96.2).Map procedure have many the concurent progress,but reduce procedure has always 1 progress.How do ...
    Dec 4, 2014 at 12:37 pm
    Dec 4, 2014 at 12:37 pm
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74 users for December 2014

Ted Yu: 25 posts Esteban Gutierrez: 11 posts Michael Stack: 10 posts Lars hofhansl: 9 posts Marco: 9 posts Serega Sheypak: 8 posts Bharath Vissapragada: 7 posts Andrew Purtell: 6 posts Nick Dimiduk: 6 posts Robert Kent: 6 posts Wilm Schumacher: 6 posts Uamadman: 5 posts Charlot W: 4 posts Devaraja Swami: 4 posts Ehud Lev: 4 posts Pradeep Gollakota: 4 posts Gomes: 3 posts Louis.hust: 3 posts Margus Roo: 3 posts Sean Busbey: 3 posts
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