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41 discussions - 166 posts

  • Hi, I am new to Apache Hbase and I know that in a table when we try to insert row key value which is already present either new value is discarded or updated. Also I came across row version through ...
    Rajeshkumar JRajeshkumar J
    Nov 30, 2015 at 4:30 pm
    Dec 1, 2015 at 10:53 am
  • Hi I am getting the below error while loading bulk data from pig to hbase through HBaseStorage.Please help me to resolve this issue.Thanks in advance. *ERROR:pig script failed to validate ...
    Naresh ReddyNaresh Reddy
    Nov 4, 2015 at 5:07 am
    Nov 20, 2015 at 5:09 pm
  • We recently found that regionserver down.Later, we found that because the client and server version is not compatible.The client version is 1.0,server version is 0.98.6.I want to know why this is, ...
    Nov 18, 2015 at 8:23 am
    Nov 20, 2015 at 2:45 am
  • Hi I'm trying to install a HBase cluster with 1 master (amb1.service.consul) and 1 region server (amb2.service.consul) using Ambari on docker containers provided by sequenceiq [1] using a custom ...
    Kristoffer SjögrenKristoffer Sjögren
    Nov 24, 2015 at 8:55 am
    Nov 24, 2015 at 12:56 pm
  • Hi, There are some exceptions which I face intermittently with Hbase and I thought some help from experts online can really help me. These are ...
    Sumit NigamSumit Nigam
    Nov 15, 2015 at 4:42 am
    Nov 20, 2015 at 9:50 am
  • Hi, I am new to Apache Hbase and I am using hbase-0.98.13 and I have created a table sample with column family sample_family. And I have loaded the output from pig script to hbase table. when I try ...
    Rajeshkumar JRajeshkumar J
    Nov 25, 2015 at 10:37 am
    Nov 28, 2015 at 5:51 am
  • Hello In my hbase cluster, I observe the following consistently happening over several days:- - There is a spike in compaction time avg time metric. At the same time the swap bytes in and swap bytes ...
    Girish JoshiGirish Joshi
    Nov 1, 2015 at 6:24 pm
    Nov 13, 2015 at 9:43 pm
  • I am on CDH 5.4.8 hbase 1.0 I am migrating to a new cluster and the data is sourced from CDH 5.3 hbase 0.98.6 I took snapshots from the old cluster exported them to the new cluster - no errors cloned ...
    Abraham TomAbraham Tom
    Nov 11, 2015 at 4:09 am
    Nov 12, 2015 at 5:56 pm
  • Hi all, I’m planing to upgrade my HBase. Currently it’s hbase-0.98.7-hadoop2. I was wondering can I upgrade directly to current stable version, which is 1.1.2? Moreover, I can tolerate downtime, so ...
    Akmal AbbasovAkmal Abbasov
    Nov 9, 2015 at 7:47 am
    Nov 9, 2015 at 8:05 pm
  • I'm working with cloudera hbase v0.98, my HBase table has ~5k regions. From the cloudera UI charts i see a lot of get & scan operations active on my table even after i shut down all the reader ...
    Mukesh JhaMukesh Jha
    Nov 27, 2015 at 6:11 pm
    Dec 8, 2015 at 8:23 am
  • Hello, everyone! I'm new to HBase and I need help designing rowkeys for use case that looks like this: - Products are listed, where each product has a product id. - Each product has a timestamp. - ...
    Marko DinicMarko Dinic
    Nov 29, 2015 at 10:19 pm
    Nov 30, 2015 at 11:22 pm
  • hi,all: This morning regionserver shutdown.By analyzing the log, I guess it's about GC.Then,How to optimize the GC in HBase. I use the HBase version is hbase-0.98.6-cdh5.2.0.I look for your help in ...
    Nov 29, 2015 at 12:44 am
    Nov 30, 2015 at 5:27 pm
  • Hi Folks, We met a very weird scenario. We are running PE tool, during testing we found all regions are in transition in state FAILED_OPEN. Region server are failed to open the regions with below ...
    Pankaj krPankaj kr
    Nov 21, 2015 at 10:56 am
    Nov 24, 2015 at 7:02 pm
  • Configured secure HBase-1.1.2 with Hadoop-2.7.1 on Windows. When i enable authorization referring Configuring HBase Authorization ...
    Kumar rKumar r
    Nov 4, 2015 at 4:43 am
    Nov 5, 2015 at 3:52 am
  • Hi Can TTL of rows be set/updated instead of complete column family? or Can timestamp version of a cell be decreased ? Aim is to delete some rows whose timestamp is set to old values so that it ...
    Shushant AroraShushant Arora
    Nov 25, 2015 at 11:45 am
    Nov 25, 2015 at 2:05 pm
  • Hi, Can someone help how to query on partial rowkey. *Table Name :* URLdata *Column Family:* BaseID *Columns:*1. userId 2. userIdType 3. username 4. country *RowKey Design :* userId | ...
    Dheeraj kavalurDheeraj kavalur
    Nov 24, 2015 at 1:27 am
    Nov 24, 2015 at 7:58 am
  • See here http://central.maven.org/maven2/org/apache/hbase/hbase-common/0.98.15-hadoop2/ As for 0.98.13, it is still there ...
    Nov 11, 2015 at 9:10 am
    Nov 13, 2015 at 5:26 am
  • Does hbase timerange scan is full table scan without the start and stop key? Or is it take care of HFile meta data about min and max timerange n HFile . And how it optimises this metadata after ...
    Shushant AroraShushant Arora
    Nov 5, 2015 at 4:08 am
    Nov 5, 2015 at 4:26 pm
  • Hi, I was going through Cosmin Lehene's http://www.slideshare.net/clehene/elastic-hbase-on-mesos and noticed there was no official HBase Docker image ...
    Otis GospodnetićOtis Gospodnetić
    Nov 29, 2015 at 3:06 am
    Dec 1, 2015 at 8:23 pm
  • Yea, they are all over the place and called from client and coprocessor code. We ended up having no other option but to rollback, and aside from a few NoSuchMethodErrors due to API changes (Put#add ...
    Bryan BeaudreaultBryan Beaudreault
    Nov 30, 2015 at 8:53 pm
    Dec 1, 2015 at 4:26 am
  • Hello, I have a running HBase cluster (where HBase_MANAGES_ZK=true) from which I decommissioned a regionserver. The regionserver shutdown correctly but the zookeeper is still running on that node, is ...
    Oussama JilalOussama Jilal
    Nov 24, 2015 at 11:42 am
    Nov 24, 2015 at 12:29 pm
  • I've got 2 questions regarding the regionservers file that is placed on the HBase master: 1. In Section 128.3 of the docs (http://hbase.apache.org/book.html#adding.new.node), it says "If you rely on ...
    Nov 19, 2015 at 4:43 am
    Nov 19, 2015 at 6:39 pm
  • hi,experts: i have two concurrent threads to read/write same the same htable row. this row has two columns A and B. Currently this rows value is (A:a1, B:b1) thread 1 wants to read the value of this ...
    Hongbin maHongbin ma
    Nov 17, 2015 at 8:07 am
    Nov 17, 2015 at 9:10 am
  • I have a hbase table , with two columns : id and binary . ( for storing files ) . I have a HTML page , with links to files , when each link leads to a file using HBASE rest api . The question is how ...
    Nov 14, 2015 at 6:30 pm
    Nov 15, 2015 at 7:35 am
  • Hi I am just curious to know why HBase uses NIO (if not wrong) rather than netty for communication . What are the pros and cons of using Netty over NIO or NIO over Netty. Thanks Regards Mukund Murrali
    Mukund murraliMukund murrali
    Nov 5, 2015 at 1:42 pm
    Nov 5, 2015 at 6:22 pm
  • I want to change block size of 3xisting table, So is alter table as mentioned below, will this change block size for my table? Also do I need to run major_compaction after alter table. disable ...
    Sudhir patilSudhir patil
    Nov 26, 2015 at 11:18 am
    Nov 26, 2015 at 4:53 pm
  • Hi, I am new to Hbase and doing an POC. We have a detail table in which rows are continuously added (1000's of rows added every few minute). We want to build an summary table from UI read and display ...
    Nov 25, 2015 at 3:46 pm
    Nov 25, 2015 at 4:33 pm
  • Hi folks, Two questions - I noticed there is a discrepancy in the client side properties for configuring HA reads between vanilla Hbase and CDH’s Hbase. For example, ...
    Melvin KanasserilMelvin Kanasseril
    Nov 19, 2015 at 4:49 pm
    Nov 19, 2015 at 6:32 pm
  • Hi all, I'm developing an endpoint coprocessor at the moment for one of our applications, and I'm trying to figure out the best means to handle errors within the coprocessor. A couple of ...
    Andrew MainsAndrew Mains
    Nov 14, 2015 at 6:30 pm
    Nov 14, 2015 at 7:08 pm
  • Hi Anoop, Can you share the bulk delete code which worked for you. I executed the code and get "cannot find symbol" error Thanks
    Nov 2, 2015 at 7:27 pm
    Nov 3, 2015 at 5:56 am
  • I am getting error like "Can not find symbol" for most part in the code. Can you suggest whether I am missing any part of the packages or libs
    Nov 2, 2015 at 6:55 pm
    Nov 2, 2015 at 7:01 pm
  • Hi, Need some help/ inputs. I have set hbase.client.retries.number as 40. Double checked this to make sure it is 40 and not 400 as reported below! However, I notice following in my logs: 2015-11-19 ...
    Sumit NigamSumit Nigam
    Nov 27, 2015 at 4:42 am
    Nov 27, 2015 at 4:42 am
  • Hi, We met following exception while thrift-client is trying to connect a Thrift server (Kerberos secured). org.apache.thrift.transport.TTransportException: Peer indicated failure: Failure to ...
    Pankaj krPankaj kr
    Nov 25, 2015 at 4:16 am
    Nov 25, 2015 at 4:16 am
  • Congrats, nice work! 2015년 11월 25일 수요일, Connor McCoy<<span class="m_body_email_addr" title="0cf46d3ffedb153a97fe69cb4719e0fd" connorm@gmail.com</span 님이 작성한 메시지:
    김영우 (YoungWoo Kim)김영우 (YoungWoo Kim)
    Nov 25, 2015 at 3:31 am
    Nov 25, 2015 at 3:31 am
  • Hi Dear All HRegionServer Aborted when map-reduce job is running. It seems there is heartbeat between HRegionServer and Hadoop datanode, and datanode failed to response to HRegionServer because it is ...
    Nov 16, 2015 at 8:53 am
    Nov 16, 2015 at 8:53 am
  • I am a relative newcomer to the HBase world, and have been working for a couple of months to acquire experience in working with the HBase API. Part of my hands-on learning process has been devoted to ...
    Daniel VimontDaniel Vimont
    Nov 13, 2015 at 5:10 am
    Nov 13, 2015 at 5:10 am
  • Hi, We have HBase 0.98 cluster that seems a bit over-provisioned, except when running major compactions: https://apps.sematext.com/spm-reports/s/AFzTU2celd ...
    Otis GospodnetićOtis Gospodnetić
    Nov 10, 2015 at 4:33 am
    Nov 10, 2015 at 4:33 am
  • Hi, Stripe Compactions were introduced in 0.98 but not enabled by default. Are there any concerns or known issues with Stripe Compactions in 0.98? I looked for some info before asking, but it's ...
    Otis GospodnetićOtis Gospodnetić
    Nov 10, 2015 at 4:22 am
    Nov 10, 2015 at 4:22 am
  • I am using hbase-0.98.9-hadoop2 in pseudo-dist mode. What are the exact settings required in "hadoop-metrics2-hbase.properties" to adjust the thresholds for Slow Query logging? The following entries ...
    Nov 3, 2015 at 3:57 pm
    Nov 3, 2015 at 3:57 pm
  • Hi Ted, OS : Linux Hbase Version: Version Java Version: java version "1.8.0_25" Unable to paste the whole code
    Nov 2, 2015 at 7:45 pm
    Nov 2, 2015 at 7:45 pm
  • Hi, We currently have 0.94 hbase mini cluster setup to run unit test for our application. As we upgrade to 1.x, we need to start 1.0 mini hbase cluster so that we can run application unit test again ...
    Tianying ChangTianying Chang
    Nov 2, 2015 at 6:34 pm
    Nov 2, 2015 at 6:34 pm
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61 users for November 2015

Ted Yu: 29 posts Kristoffer Sjögren: 6 posts Samir Ahmic: 6 posts Sumit Nigam: 6 posts Jean-Marc Spaggiari: 5 posts Rajeshkumar J: 5 posts Abraham Tom: 4 posts Akmal Abbasov: 4 posts Naresh Reddy: 4 posts Otis Gospodnetić: 4 posts Pankaj kr: 4 posts 张铎: 4 posts Enis Söztutar: 3 posts Girish Joshi: 3 posts Heng Chen: 3 posts Kumar r: 3 posts Marimuthu: 3 posts Marko Dinic: 3 posts Michael Stack: 3 posts Ramkrishna vasudevan: 3 posts
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