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88 discussions - 434 posts

  • Hi, I am trying to do a scatter/gather on hbase (, where I have a client reading ~1000 keys from an HBase table. These keys happen to fall on the same region server. For my reads I use ...
    Khaled ElmeleegyKhaled Elmeleegy
    Oct 2, 2014 at 7:12 am
    Oct 15, 2014 at 4:47 pm
  • We just had an event where, on our main hbase instance, the /hbase directory got moved out from under the running system (Human error). HBase was really unhappy about that, but we were able to ...
    Oct 2, 2014 at 5:19 pm
    Oct 3, 2014 at 12:27 am
  • Hello everyone, Once I copy the htrace-zipkin jar to hbase/lib/ directory, I see following error in zookeeper log on hbase restart. I am using http://hbase.apache.org/book/tracing.html to create ...
    Oct 7, 2014 at 7:23 pm
    Oct 25, 2014 at 8:58 pm
  • Hi all, I'm trying to get a custom filter to work on HBase 0.96. After some searching, I found that starting from 0.96, the implementer is required to implement "toByteArray" and "parseFrom" methods, ...
    Matt KMatt K
    Oct 15, 2014 at 9:08 pm
    Oct 22, 2014 at 1:53 am
  • Is the balancer running? If it's running but unable to act, you should see some explanation in the Master logs.
    Nick DimidukNick Dimiduk
    Oct 2, 2014 at 5:31 pm
    Oct 8, 2014 at 3:02 am
  • Hi, here is my code: public void dropIfExistsAndCreate(String sourceTableName, String newTableName) throws IOException { LOG.info(String.format("Use [%s] to create [%s]", sourceTableName, ...
    Serega SheypakSerega Sheypak
    Oct 3, 2014 at 1:58 pm
    Oct 3, 2014 at 6:25 pm
  • Hi, is that true that I can set split policy per cluster or per table? How can I get current split policy for cluster/table?
    Serega SheypakSerega Sheypak
    Oct 2, 2014 at 7:46 pm
    Oct 3, 2014 at 1:50 pm
  • I'm trying to increase write throughput of our hbase cluster. we'r currently doing around 7500 messages per sec per node. I think we have room for improvement. Especially since the heap is under ...
    Oct 31, 2014 at 5:22 pm
    Nov 10, 2014 at 9:31 am
  • I have been using a RegionObserver coprocessor on my HBase 0.94.6 cluster for quite a while and it works great. I am currently upgrading the functionality. When doing some testing in our integration ...
    Hayden MarchantHayden Marchant
    Oct 28, 2014 at 9:52 am
    Oct 30, 2014 at 9:22 am
  • Hi, I am trying to use hbase with s3, using s3n, but I get the below errors, when starting the master. I am testing this in a pseudo distributed mode on my laptop. I've also set hbase.rootdir to ...
    Khaled ElmeleegyKhaled Elmeleegy
    Oct 31, 2014 at 11:54 pm
    Nov 7, 2014 at 6:26 pm
  • My setup is the following: server1: - master - zookeeper server2: - zookeeper server3: - zookeeper server 4 t/m 8 - regionserver HBase: hbase-0.98.7-hadoop1 Zookeeper: zookeeper-3.4.6 hadoop: 1.2.1 ...
    Ron van der VegtRon van der Vegt
    Oct 28, 2014 at 12:14 pm
    Oct 29, 2014 at 1:12 pm
  • Hi Guys, I am running YCSB 0.1.4 against hbase 0.98.5, "bin/ycsb load hbase -P workloads/workloada -p columnfamily=f1 -p recordcount=1000 -p threadcount=4 -s | tee -a workloada.dat" stucked as ...
    Qiang TianQiang Tian
    Oct 21, 2014 at 9:28 am
    Oct 23, 2014 at 3:06 am
  • Hi out there I am trying to read a (binary) file from the local FS and store it in HBase using JRuby. But I fail with the byte-array InputStream needed for the Put-Method: require "java" java_import ...
    Oct 4, 2014 at 9:16 pm
    Oct 5, 2014 at 8:36 am
  • Hi, I'm doing HBase bulk load to an empty table. Input data size is 200GB Is it OK to load data into one default region and then wait while HBase splits 200GB region? I don't have any SLA for initial ...
    Serega SheypakSerega Sheypak
    Oct 2, 2014 at 7:04 pm
    Oct 3, 2014 at 12:34 pm
  • Hi to all, I was reading http://www.abcn.net/2014/07/spark-hbase-result-keyvalue-bytearray.html?m=1 and they say " still using org.apache.hadoop.hbase.mapreduce.TableInputFormat is a big problem, ...
    Flavio PompermaierFlavio Pompermaier
    Oct 29, 2014 at 8:08 am
    Nov 1, 2014 at 2:40 pm
  • Hi I'm using the Hbase 0.96.2(base on hadoop 2.2.0), which tool can i choose to build the Hbase table,like the use the powerdesign tool build the oracle database tables! Thank u very much! jackie!
    Oct 30, 2014 at 2:08 am
    Oct 30, 2014 at 6:32 pm
  • Is it possible to deploy an endpoint coprocessor via HDFS or must I distribute the jar file to each regionserver individually? In my testing, it appears the endpoint coprocessors cannot be loaded ...
    Tom BrownTom Brown
    Oct 27, 2014 at 9:03 pm
    Oct 27, 2014 at 11:56 pm
  • Hi, we have 10 nodes cluster with 10HDD, 256 GB RAM and 10HDD 3TB each. Suddenly we met write perfomance issues. Our workload is: 1. We have 100+ region table for write load. It has constant set of ...
    Serega SheypakSerega Sheypak
    Oct 14, 2014 at 7:40 am
    Oct 14, 2014 at 11:54 am
  • Hey folks, I am evaluating on loading an hbase table from parquet files based on some rules that would be applied on parquet file records.Could some one help me on what would be the best way to do ...
    Nishanth SNishanth S
    Oct 8, 2014 at 3:51 pm
    Oct 8, 2014 at 11:18 pm
  • Hi! We have a bunch of rows on HBase which store varying sizes of data (1-50MB). We use HBase versioning and keep up to 10000 column versions. Typically each column has only few versions. But in rare ...
    Andrejs DubovskisAndrejs Dubovskis
    Oct 30, 2014 at 3:32 pm
    Nov 4, 2014 at 12:44 am
  • Hey all, I'm seeing an issue where IPC Handlers aren't showing up in the Region server Web UI, even though jstack shows that they are waiting/processing. This is on Hbase 0.94.15-cdh4.7.0 For ...
    Patrick DignanPatrick Dignan
    Oct 30, 2014 at 9:10 pm
    Oct 31, 2014 at 5:40 pm
  • Hi, I have a HBase table which is populated from pig using PigStorage. While inserting, suppose for rowkey i have a duplicate value. Is there a way to prevent an update?. I want to maintain the ...
    Krishna KalyanKrishna Kalyan
    Oct 21, 2014 at 12:30 pm
    Oct 21, 2014 at 5:30 pm
  • hi,maillist: how can do do data migrate from hbase 0.94 to 0.96 ,copy file from old hadoop cluster to new hadoop cluster is OK ,any one can help me?
    Ch huangCh huang
    Oct 17, 2014 at 5:48 am
    Oct 19, 2014 at 5:59 pm
  • hi guys, Do you know what is wrong? below is output: do not see error under surefire-reports dir either. thanks! -------------- .... //ignored testcases Running org.apache.hadoop.hbase.TestZooKeeper ...
    Qiang TianQiang Tian
    Oct 15, 2014 at 3:07 am
    Oct 15, 2014 at 3:42 am
  • Hi I accidentally created a few tables with 'lzo' compression without the jar dependencies in hbase 0.94.7. This caused havoc on the master which eventually crashed and now I can't start it again ...
    Kristoffer SjögrenKristoffer Sjögren
    Oct 14, 2014 at 7:27 am
    Oct 14, 2014 at 8:48 am
  • I'm getting compaction failure for a region after heavy writes. Running hbase hbck -details returns everything is OK. I'm running 0.98.1-cdh5.1.0 ERROR ...
    Steve FanSteve Fan
    Oct 9, 2014 at 1:30 pm
    Oct 12, 2014 at 6:29 pm
  • Hi, I did pick long as a key for hbase table row. So I see hex string representing my long key in OLD table. I want to use these split keys as pre-splits for a NEW table which is EMPTY. I would like ...
    Serega SheypakSerega Sheypak
    Oct 4, 2014 at 11:42 am
    Oct 4, 2014 at 12:21 pm
  • Hi, I have a java client that connects to hbase and reads and writes data to hbase. every now and then, I'm seeing the following stack traces in the application log and I'm not sure why they are ...
    Ian BrooksIan Brooks
    Oct 1, 2014 at 11:38 am
    Oct 1, 2014 at 4:39 pm
  • Hey folks, I have been reading a bit about parque and how hive and impala works well on data stored in parque format.Is it even possible to do the same with hbase to reduce storage etc.. Thanks, ...
    Nishanth SNishanth S
    Oct 21, 2014 at 2:09 am
    Oct 21, 2014 at 3:43 pm
  • Hello! How do you guys suggest someone get into the hbase/hadoop industry with a focus on the software development side (as oppose to ops) ? If all you have done is read a few books, played around ...
    S AhmedS Ahmed
    Oct 17, 2014 at 8:19 pm
    Oct 20, 2014 at 7:20 pm
  • Hi, I'm trying to upgrade from hbase-0.94.20 to hbase- by following the steps of: http://hbase.apache.org/book/ch03s04.html http://hbase.apache.org/book/upgrade0.96.html My 0.94.x ...
    Ron van der VegtRon van der Vegt
    Oct 6, 2014 at 12:39 pm
    Oct 17, 2014 at 8:56 am
  • Hello, I am trying to debug a coprocessor code on hbase 0.94.24, which seems to work well on 0.94.5, but I cannot make it work on 0.94.24. Here is the copy of some coprocessor init code: public class ...
    Liu, Ming (HPIT-GADSC)Liu, Ming (HPIT-GADSC)
    Oct 16, 2014 at 7:20 am
    Oct 17, 2014 at 3:26 am
  • I’m trying to snapshot a moderately large table (3 billion rows, but not a huge amount of data per row). Those snapshots have been timing out, so I set the following parameters to relatively large ...
    Brian JeltemaBrian Jeltema
    Oct 8, 2014 at 7:11 pm
    Oct 8, 2014 at 8:26 pm
  • Hi, I've created a table create 'my_table', {NAME = 'cf', VERSIONS = '1', IN_MEMORY = true, BLOCKCACHE = true, BLOOMFILTER = 'ROWCOL', SPLITS = ["\x00\x00\x00\x12d\xF47\x9F", "#255 more keys"]} then ...
    Serega SheypakSerega Sheypak
    Oct 4, 2014 at 1:00 pm
    Oct 4, 2014 at 4:29 pm
  • Hi all, I'm trying to import in my HBase 0.98 an export of 0.96 with the following command sudo -u hdfs hbase org.apache.hadoop.hbase.mapreduce.Driver import X /somedir But I get this error: Error ...
    Flavio PompermaierFlavio Pompermaier
    Oct 24, 2014 at 8:56 am
    Oct 28, 2014 at 11:50 pm
  • Hi I want to connect from my windows laptop to an installed HBASE When running the code , I get the following error: java.lang.NoClassDefFoundError: org/apache/commons/lang/ArrayUtils at ...
    Sznajder ForMailingListSznajder ForMailingList
    Oct 27, 2014 at 2:05 pm
    Oct 27, 2014 at 9:16 pm
  • Hi Ted i now trying to install hbase in my ubuntu.i struck here with this problem $start-hbase.sh I have tried all latest versions but no use This is *Hbae_sit.xml* <configuration <property <name ...
    Beeshma rBeeshma r
    Oct 26, 2014 at 11:45 am
    Oct 26, 2014 at 2:37 pm
  • Hi all, we are using HBase version 0.94.6-cdh4.3.1 and I have a suspicion that a Delete written to hbase through HFileOutputFormat might be ignored (and not delete any data) in the following ...
    Jan LukavskýJan Lukavský
    Oct 21, 2014 at 3:23 pm
    Oct 22, 2014 at 12:48 pm
  • hi,maillist : i installed CDH4.4 with hbase version 0.94.6 ,(no cloudera manager involved) but when i test snapshot function ,i get error like this ,acturally , i add the following info into my ...
    Ch huangCh huang
    Oct 17, 2014 at 6:32 am
    Oct 21, 2014 at 6:12 pm
  • Hello, I used hbase Rowcounter on yarn , but the num of mappers was 1, and the progress was 0%. The input data was quit large, about 587GB. So how can I set the num of mappers when I use hbase ...
    Oct 20, 2014 at 12:54 pm
    Oct 20, 2014 at 1:58 pm
  • Hi How can I setup several hbase cluster using one single standalone zookeeper cluster? Can someone give me some clue? Is there any best practice on such kinds of usage? say. run multiple same ...
    Oct 20, 2014 at 2:27 am
    Oct 20, 2014 at 3:04 am
  • Is there any approach HBASE can store archive like rarely used files on cheap storage? That's a vague question. If I may elaborate... Our current office stores terabytes of well structured log data ...
    Ravindranath AkilaRavindranath Akila
    Oct 18, 2014 at 10:36 am
    Oct 18, 2014 at 1:40 pm
  • +user@hbase 2014-10-15 20:48 GMT+08:00 Fengyun RAO <<span class="m_body_email_addr" title="f1d9d00167d06da7c451131454a9c2cb" raofengyun@gmail.com</span :
    Fengyun RAOFengyun RAO
    Oct 15, 2014 at 1:29 pm
    Oct 16, 2014 at 4:36 pm
  • Hi, I have a hbase table( say test1) with 3 cfs ( a,b,c) and i have bunch of cqs in each of these cf. I also have one more table ( say test2) with some cfs on same cluster. My requirement is to move ...
    Vimal JainVimal Jain
    Oct 16, 2014 at 5:25 am
    Oct 16, 2014 at 2:22 pm
  • I have a table named *E_MP_DAY_READ_201409 *and it has 171 regions - I can check that through the command "hadoop dfs -ls /hbase/data/default/E_MP_DAY_READ_201409", which echoed the following ...
    Tao XiaoTao Xiao
    Oct 14, 2014 at 3:14 am
    Oct 14, 2014 at 7:19 pm
  • Hi users, I found that currently the hbase daemon will send the ulimit output to .log file; To my understanding: The .out file is used to store stdout and stderr (in case user misconfigured log4j, ...
    Stanley ShiStanley Shi
    Oct 11, 2014 at 1:46 am
    Oct 11, 2014 at 11:27 pm
  • Hi, How long can HBase 0.94 RegionServers live (accept reads and writes) without a Master? Thanks, Otis -- Monitoring * Alerting * Anomaly Detection * Centralized Log Management Solr & Elasticsearch ...
    Otis GospodneticOtis Gospodnetic
    Oct 10, 2014 at 6:53 pm
    Oct 10, 2014 at 9:53 pm
  • Hi, I need to use QualifierFilter with Stargate. I went through the documentation but it seems like all the filters are not supported. If QualifierFilter is supported then please let me know how to ...
    Anil guptaAnil gupta
    Oct 8, 2014 at 6:05 pm
    Oct 9, 2014 at 7:01 pm
  • I had a question about connections to region servers and their lifetime in the context of doing a Put (say a single put). Is a network connection established to a region server when the Put is being ...
    Vrushali CVrushali C
    Oct 2, 2014 at 5:37 pm
    Oct 3, 2014 at 9:24 pm
  • hellon, hbase groups, hadppy to write the message for you . Today,My Hbase cluster the logs error as same as your https://issues.apache.org/jira/browse/HBASE-12063 privode about ...
    Oct 31, 2014 at 5:34 pm
    Oct 31, 2014 at 5:43 pm
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100 users for October 2014

Ted Yu: 88 posts Serega Sheypak: 29 posts Khaled Elmeleegy: 17 posts Qiang Tian: 16 posts Jean-Marc Spaggiari: 15 posts Lars hofhansl: 13 posts Nick Dimiduk: 13 posts Andrew Purtell: 10 posts Michael Stack: 10 posts Abhishek1015: 9 posts Esteban Gutierrez: 9 posts Nishanth S: 9 posts Sean Busbey: 9 posts Sznajder ForMailingList: 8 posts Ch huang: 7 posts Ron van der Vegt: 7 posts Flavio Pompermaier: 6 posts Ian Brooks: 6 posts Kevin: 6 posts Buckley,Ron: 5 posts
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