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66 discussions - 353 posts

  • We are having difficulties connecting with our Java application to our Kerberized HBase cluster. We are using a keytab file to authenticate. Has anyone successfully connected this way? If you have ...
    Jiten GoreJiten Gore
    Feb 11, 2015 at 6:51 pm
    Feb 16, 2015 at 5:49 am
  • CDH 5.3 HBase 98.6 We are writing data to an HBase table through a M/R job. We pre split the table before each job run. The problem is that most of the regions end up on the same RS. This results in ...
    Shahab YunusShahab Yunus
    Feb 13, 2015 at 4:22 pm
    Feb 18, 2015 at 7:06 pm
  • Hi all, I am using hbase-0.98.1-cdh5.1.4 client and I am a bit confused by the documentation of HConnection. The document says the following: HConnection instances can be shared. Sharing is usually ...
    SleimanjneidiSleimanjneidi
    Feb 3, 2015 at 2:50 pm
    Feb 17, 2015 at 5:30 am
  • Hi I want to understand the effectiveness of timerange scans without setting start and stop keys? Will HBase do a full table scan or will the scan be optimized in any way? Cheers, -Kristoffer
    Kristoffer SjögrenKristoffer Sjögren
    Feb 28, 2015 at 6:42 pm
    Mar 3, 2015 at 8:55 am
  • hi, I'm trying to use a htable to store data that comes in a streaming fashion. The streaming in data is guaranteed to have a larger KEY than ANY existing keys in the table. And the data will be ...
    Hongbin maHongbin ma
    Feb 13, 2015 at 6:55 am
    Feb 16, 2015 at 11:30 am
  • Hello, This is my first message in this mailing list, I just subscribed. I have been using Cassandra for the last few years and now I am trying to create a POC using HBase. Therefore, I am reading ...
    Marcelo Valle (BLOOMBERG/ LONDON)Marcelo Valle (BLOOMBERG/ LONDON)
    Feb 20, 2015 at 4:58 pm
    Feb 24, 2015 at 12:10 am
  • Hi all, We are running out of space in our small hadoop cluster so I was checking disk usage on HDFS and I saw that most of the space was occupied by the* /hbase/oldWALs* folder. I have checked in ...
    Madeleine PiffarettiMadeleine Piffaretti
    Feb 25, 2015 at 5:20 pm
    Mar 5, 2015 at 1:19 am
  • I have some code that accepts a time range and looks for data written to an HBase table during that range. If anything has been written for that row during that range, the row key is saved off, and ...
    Stephen DurfeyStephen Durfey
    Feb 24, 2015 at 10:32 pm
    Feb 27, 2015 at 11:45 am
  • In HBase API, does 1 HTable object means 1 connection to each region server (just for 1 table)? The docs say (http://hbase.apache.org/0.94/apidocs/org/apache/hadoop/hbase/client/HTable.html): "This ...
    Marcelo Valle (BLOOMBERG/ LONDON)Marcelo Valle (BLOOMBERG/ LONDON)
    Feb 25, 2015 at 5:43 pm
    Feb 27, 2015 at 10:38 am
  • Hi all, We're running HBase (0.94.15-cdh4.6.0) on top of HDFS (Hadoop 2.0.0-cdh4.6.0). For all of our tables, we set the replication factor to 1 (dfs.replication = 1 in hbase-site.xml). We set to 1 ...
    Arinto MurdopoArinto Murdopo
    Feb 23, 2015 at 7:50 am
    Feb 25, 2015 at 2:02 am
  • Awesome news Enis! Thanks :) 2015-02-24 10:28 GMT+02:00 Enis Söztutar <<span class="m_body_email_addr" title="cf285762c1c5476b7545ba2253ea4c57" enis@apache.org</span : -- Talat UYARER Websitesi ...
    Talat UyarerTalat Uyarer
    Feb 24, 2015 at 8:45 am
    Feb 25, 2015 at 3:54 am
  • Hi, I want to get all the columns of a row that ends with "xyz". I know there is ColumnPrefixFilter. Is there any other column filter in HBase that can help me simulate feature of suffix matching? In ...
    Anil guptaAnil gupta
    Feb 11, 2015 at 3:24 am
    Feb 16, 2015 at 4:25 pm
  • Hi everyone, I am currently trying to set up an Hbase 0.98.9 cluster to run against a Hadoop 2.6.0 HDFS filesystem. The problem is, according to ...
    Tong PhamTong Pham
    Feb 10, 2015 at 4:42 am
    Feb 12, 2015 at 11:58 pm
  • We have recently experienced some issues with our namenodes in HA arrangement and had to recreate namenode metadata from a backup while some new data has been pushed to the regions ervers in the ...
    Ellimilial KEllimilial K
    Feb 3, 2015 at 7:41 pm
    Feb 3, 2015 at 11:08 pm
  • Hello- In the last week we had multiple times where we lost 5 of 8 RSs in the space of a few minutes because of slow GCs. We traced this back to a client calling Table.get(List<Get gets) with a ...
    Ted TuttleTed Tuttle
    Feb 25, 2015 at 3:09 pm
    Feb 25, 2015 at 6:34 pm
  • Hi All, I am using HBaseTestingUtility for JUnits of my HBase code. When HBaseTestingUtility runs, it prints thousands of lines of logs on console(along with some catched execptions). More than 99% ...
    Anil guptaAnil gupta
    Feb 19, 2015 at 7:34 pm
    Feb 19, 2015 at 9:49 pm
  • Hello , I have a use case where I need to get a set of records from Hbase . Keys of the records to be fetched from Hbase is know , so I wanted to know if its a better way to use multi-get approach or ...
    AlokobAlokob
    Feb 4, 2015 at 4:50 pm
    Feb 6, 2015 at 6:48 am
  • I’m seeing occasional HBase log output similar to the output shown below. It appears there is a request to flush a region, repeated every 10 seconds, that apparently is never being performed. It’s ...
    Brian JeltemaBrian Jeltema
    Feb 24, 2015 at 4:16 pm
    Feb 24, 2015 at 6:52 pm
  • Hi, I am using HBase 0.98.6. I learned from this maillist before, that the recommended method to 'connect' to HBase from client is to use HConnectionManager like this: HConnection ...
    Liu, Ming (HPIT-GADSC)Liu, Ming (HPIT-GADSC)
    Feb 14, 2015 at 2:49 pm
    Feb 24, 2015 at 3:21 am
  • my version is 0.98.6-cdh5.2.0, the problem in my production environment. So should I first delete znode? And then how to distable this table?my goal is to fix the wrong table configuration to get my ...
    叶炜晨叶炜晨
    Feb 3, 2015 at 10:59 pm
    Feb 4, 2015 at 8:41 am
  • Hi, I have created an HBase table just like that: t = create 'HBaseSerialWritesPOC', 'user_id_ts', {NAME = 'alnfo'}, {SPLITS = ['100000000000000000000000', '200000000000000000000000', ...
    Marcelo Valle (BLOOMBERG/ LONDON)Marcelo Valle (BLOOMBERG/ LONDON)
    Feb 25, 2015 at 3:10 pm
    Feb 25, 2015 at 4:02 pm
  • hi, all It seems WAL.append() in hbase, the javadoc says: * * Append a set of edits to the WAL. The WAL is not flushed/sync'd after this transaction* * * completes BUT on return this edit must have ...
    Hongbin maHongbin ma
    Feb 16, 2015 at 1:22 pm
    Feb 17, 2015 at 6:07 am
  • Hi Guys, hope you all had a great weekend. Recently, I had to do a lot of HBase data access and I needed a mapper, but I didn't like any of the existing mappers (Gora, Kundera, etc.. ) maybe I am ...
    Sleiman JneidiSleiman Jneidi
    Feb 15, 2015 at 2:51 pm
    Feb 15, 2015 at 3:28 pm
  • you could use a column family in table 2 for that. table 1 result1 data:foo = bar result2 data:foo = baz result3 data:foo = bar result4 data:foo = baz .... table 2 order1 data:metadata = foobar , ...
    Wilm SchumacherWilm Schumacher
    Feb 12, 2015 at 9:24 pm
    Feb 13, 2015 at 1:57 pm
  • Hi, all: Not long ago, I wanted to test Cell-Level ACLs by using tags and use the class "ExpAsStringVisibilityLabelServiceImpl" instead of the default class "DefaultVisibilityLabelServiceImpl". set ...
    1581070542415810705424
    Feb 2, 2015 at 4:17 pm
    Feb 2, 2015 at 7:25 pm
  • for example: 1. I use thrift2 put to access table, try{ _client- putMultiple(table, tput_vec); //table is 'member' } catch (TTransportException &e) { ret = e.getType(); //2 or 3 ...
    不再散步不再散步
    Feb 28, 2015 at 2:27 am
    Feb 28, 2015 at 3:08 am
  • Hi Team I am trying to apply a limit on my scan query, but cannot find a suitable method in the Scan class that will help me do the same. I am using org.apache.hbase:hbase 0.94.15-cdh4.7.0. Kindly ...
    Gurpreet Singh BawaGurpreet Singh Bawa
    Feb 25, 2015 at 1:51 pm
    Feb 25, 2015 at 4:53 pm
  • Hi, Are Region-level metrics here to stay? I'm asking because I remember seeing an email or JIRA comment (from Stack?) from a fe wmonths ago about some Region-level metrics being removed.... .. ...
    Otis GospodneticOtis Gospodnetic
    Feb 18, 2015 at 8:38 pm
    Feb 19, 2015 at 2:00 am
  • Hi, I've played with the feature to expose RDD via Thrift to enable JDBC access. (Spark 1.2) val eventsView = sqlContext.createSchemaRDD(eventSchemaRdd) eventsView.registerTempTable("Events") ...
    MarcoMarco
    Feb 16, 2015 at 4:21 pm
    Feb 17, 2015 at 4:13 pm
  • Hi All, I am trying to communicate and insert some data to my Hbase(0.98.6-cdh5.3.0) running on Hadoop 2.5 using Hbase Java API. Although if I run the code within the cluster it connects fine but If ...
    Vineet MishraVineet Mishra
    Feb 17, 2015 at 7:03 am
    Feb 17, 2015 at 11:33 am
  • Hello! I'm in the process of upgrading our HBase 94 codebase to HBase 98. The org.apache.hadoop.hbase.filter.Filter class now has a field protected boolean reversed; which seems to, from my reading ...
    Ian FriedmanIan Friedman
    Feb 9, 2015 at 5:43 pm
    Feb 9, 2015 at 6:40 pm
  • Please follow this link <http://stackoverflow.com/questions/28350940/cannot-start-standalone-instance-of-hbase for my question. I'm really stuck. please help -- View this message in context ...
    SibtainSibtain
    Feb 6, 2015 at 4:33 pm
    Feb 6, 2015 at 4:54 pm
  • If we programmatically split a table by async method in HBaseAdmin class and even after waiting for quite a while, the split does not happen (there is no difference in number of regions before and ...
    Shahab YunusShahab Yunus
    Feb 4, 2015 at 8:05 pm
    Feb 5, 2015 at 12:30 am
  • Hi, all, II did the following command in hbase shell: disable 'TestTable' alter 'TestTable', CONFIGURATION = {'hbase.regionserver.region.split.policy' = 'xxxxxxxxx'} enable 'TestTable' At first I ...
    Yeweichen2010Yeweichen2010
    Feb 3, 2015 at 10:10 am
    Feb 3, 2015 at 4:46 pm
  • Hi, I am Donhoff. I tried a few times to send mail to <span class="m_body_email_addr" title="08f5708807b0eb38b35506d226fc61c9" user-subscribe@hbase.apache.org</span to subscribe the hbase maillist ...
    郝东郝东
    Feb 28, 2015 at 3:56 am
    Feb 28, 2015 at 6:32 am
  • Any one tries this recently? hbase org.apache.hadoop.hbase.PerformanceEvaluation --nomapred --rows=100 filterScan 3 I let it run for 30 minutes and killed it. 0 requets against the table, 649 ...
    Jean-Marc SpaggiariJean-Marc Spaggiari
    Feb 16, 2015 at 2:45 pm
    Feb 19, 2015 at 11:35 am
  • N. RamasubramanianN. Ramasubramanian
    Feb 16, 2015 at 11:34 am
    Feb 16, 2015 at 6:24 pm
  • Hi, I was wondering if you could help me solve this issue I am facing in setting up a new Hbase 0.98. So we had Hbase 0.94 running on our Drillbit machine. I stopped the .94, and installed a fresh ...
    Alexander ZareiAlexander Zarei
    Feb 13, 2015 at 9:33 pm
    Feb 14, 2015 at 3:42 pm
  • Is it possible to have multiple FilterLists while performing a scan in HBase ? If yes, how ? NOTE: This message may contain information that is confidential, proprietary, privileged or otherwise ...
    Pragalbh GargPragalbh Garg
    Feb 13, 2015 at 11:35 am
    Feb 13, 2015 at 3:14 pm
  • Hi All, I have started learning Hbase, and came across a situation, where i have to delete all records of column family. Is there is any way in Hbase shell to delete records from column family for a ...
    Shobhitpal48amityShobhitpal48amity
    Feb 11, 2015 at 5:40 pm
    Feb 11, 2015 at 6:25 pm
  • *hello hbase ppl,today I am installing prediction.io <http://prediction.io It uses hbase.I did this:cd Downloads/wget http://archive.apache.org/dist/hbase/hbase-0.98.6/hbase-0.98.6-hadoop2-bin.tar.gz ...
    Dan BikleDan Bikle
    Feb 9, 2015 at 9:14 pm
    Feb 10, 2015 at 3:59 pm
  • We are planning to upgrade our Hadoop/HBase cluster and need to port our HBase table from 0.94 to 0.98. We are not doing an inline migration, but rather have a separate cluster with HBase 0.98 ...
    Hayden MarchantHayden Marchant
    Feb 9, 2015 at 12:47 pm
    Feb 10, 2015 at 3:16 pm
  • hi, For test purpose, we're trying to export a test hbase table and import it into a minicluster using org.apache.hadoop.hbase.mapreduce.Export and org.apache.hadoop.hbase.mapreduce.Import. The thing ...
    Hongbin maHongbin ma
    Feb 6, 2015 at 7:10 am
    Feb 7, 2015 at 10:49 am
  • For a proof of concept we'll be working on, we want to bulk-load data into HBase, following a similar approach to the one explained here ...
    Jaime SolanoJaime Solano
    Feb 4, 2015 at 6:51 pm
    Feb 5, 2015 at 5:45 am
  • Hi, I am learning BucketCache with HBase0.98 and have a few questions about it. Could anyone help me ? 1.Since this kind of Cache divides the memory into many buckets, what is the default size of a ...
    郝东郝东
    Feb 27, 2015 at 3:57 pm
    Feb 27, 2015 at 6:10 pm
  • I tried the following command on a 1.0 cluster (with hadoop 2.6.0): hbase org.apache.hadoop.hbase.io.hfile.HFile -v -p -m -f ...
    Ted YuTed Yu
    Feb 20, 2015 at 3:50 am
    Feb 21, 2015 at 1:13 am
  • Hi, we are running HBase on super-low-cost HW :) Sometimes random node goes down. And HBase needs a time to move regions from failed RS. What are the practices to: 1. minimize MTTR? 2. is there any ...
    Serega SheypakSerega Sheypak
    Feb 19, 2015 at 8:47 am
    Feb 19, 2015 at 2:56 pm
  • Hi All, I triggered the below command: *hbase(main):002:0 *create 'blogposts', 'post', 'image' O/P *ERROR: org.apache.hadoop.hbase.MasterNotRunningException: Retried 7 times.* Same error also coming ...
    Ananya ChandrakerAnanya Chandraker
    Feb 19, 2015 at 7:24 am
    Feb 19, 2015 at 9:09 am
  • Hello, i want to get logs from metrics, but i don't know what to do. I know that MBean gets the data from metrics, so i can do monitoring. But i really want to log file. Please help me.
    Ma fedroMa fedro
    Feb 10, 2015 at 12:49 am
    Feb 18, 2015 at 7:49 pm
  • I have some log dumps where 3 connections to HBase are made. Call 1 and 3 are pretty slow, while 2 is pretty quick. The difference, is that with the 1st and 3rd call, I see something like this: I'm ...
    Shaun ElliottShaun Elliott
    Feb 18, 2015 at 1:44 am
    Feb 18, 2015 at 1:44 am
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87 users for February 2015

Ted Yu: 38 posts Nick Dimiduk: 17 posts Serega Sheypak: 14 posts Marcelo Valle (BLOOMBERG/ LONDON): 13 posts Mikhail Antonov: 13 posts Jean-Marc Spaggiari: 12 posts Jiten Gore: 12 posts Ramkrishna vasudevan: 10 posts Sleiman Jneidi: 10 posts Alok Singh: 9 posts Anil gupta: 9 posts Hongbin ma: 8 posts Michael Stack: 8 posts Shahab Yunus: 8 posts Andrew Purtell: 7 posts Wilm Schumacher: 7 posts Abe Weinograd: 6 posts Alokob: 5 posts Brady2: 5 posts David chen: 5 posts
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