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54 discussions - 313 posts

  • Hello, I have noticed lately that my apps started running longer. The longest running tasks seem all to be requesting data from a single region server. That region server read rate is very high in ...
    Pun IntendedPun Intended
    Jan 25, 2015 at 2:01 am
    Jan 28, 2015 at 5:05 pm
  • Hi all, We have a hbase cluster of 5 region servers, each, each hosting 60+ regions. But under heavy load the region servers crashes for OOME now and then: # # java.lang.OutOfMemoryError: Java heap ...
    Shuai LinShuai Lin
    Jan 6, 2015 at 11:33 am
    Jan 9, 2015 at 8:28 pm
  • Hi all, There's one region which can take write request but scan; If I scan on that region I'll get scanner lease timeout(60s by default),while I can scan other region of the same table and get the ...
    Jan 6, 2015 at 10:04 am
    Feb 4, 2015 at 8:02 am
  • Hi folks, I try to create new command for hbase client. It will show processlist on RSs. I have a problem. I need RS's info port for reaching RS's webservices. In testing side I can reach it with ...
    Talat UyarerTalat Uyarer
    Jan 21, 2015 at 3:45 pm
    Jan 22, 2015 at 5:31 am
  • Hi, I have a situation that both Get.addColumn() and Get.setFilter(new ColumnRangeFilter(…)) needed to Get. The source code snippet is as follows: Get g = new Get(getRowKey(lfileId)) ...
    Taeyun KimTaeyun Kim
    Jan 15, 2015 at 6:47 am
    Jan 19, 2015 at 2:02 am
  • Hi, I'd like to do some benchmarks fo HBase but I don't know what tool could use. I started to make some code but I guess that there're some easier. I've taken a look to JMeter, but I guess that I'd ...
    Guillermo OrtizGuillermo Ortiz
    Jan 28, 2015 at 8:38 pm
    Jan 30, 2015 at 11:48 pm
  • Hi, I'm still trying to deal with apache tomcat web-app and hbase HBase 0.98.6 The root problem is that user threads constantly grows. I do get thousands of live threads on tomcat instance. Then it ...
    Serega SheypakSerega Sheypak
    Jan 5, 2015 at 10:40 am
    Jan 15, 2015 at 1:44 pm
  • Hi, starting from monday (12.01.2015) I'm getting 404 on ony page of http://hbase.apache.org what it could be? Sorry for stupid question. I've tried several providers, no luck
    Serega SheypakSerega Sheypak
    Jan 14, 2015 at 9:50 am
    Jan 15, 2015 at 6:12 am
  • CDH5.1.2 (hbase 0.98.1) (running on a vm - vmware esx) We use opentsdb(2.1.0RC) with hbase & after ingesting 200-300MB of data, hbase tries to compact the table, and ends up creating a .tmp file ...
    Jan 13, 2015 at 6:04 am
    Jan 14, 2015 at 2:27 am
  • Hi, It's been asked before, but I didn't find any *definite* answers and a lot of answers I found via are from a whiiiile back. e.g. Tsuna provided pretty convincing info here ...
    Otis GospodneticOtis Gospodnetic
    Jan 7, 2015 at 5:29 pm
    Jan 10, 2015 at 12:12 am
  • We're trying to use the built in table copy command to copy from one cluster to another: hbase org.apache.hadoop.hbase.mapreduce.CopyTable --peer.adr=host1,host2,host3:2181:/hbase TableName But we're ...
    Shaun ElliottShaun Elliott
    Jan 22, 2015 at 1:33 am
    Jan 22, 2015 at 6:30 pm
  • I tried to test HBase's data compression, I used two separate codes below: non-compression code: create 'SMT_KO1', {NAME= 'info', COMPRESSION= 'NONE', VERSIONS = 5}, {NAME= 'usg', COMPRESSION= ...
    Jan 27, 2015 at 11:02 pm
    Jan 30, 2015 at 1:43 am
  • Hi, I have one question about 'online region merge' ( https://issues.apache.org/jira/browse/HBASE-7403). How I've understood regions which will be passed to merge method will be unavailable for some ...
    Vladimir TretyakovVladimir Tretyakov
    Jan 19, 2015 at 9:19 am
    Jan 29, 2015 at 4:10 am
  • We are experiencing an issue that the MiniHBase cluster is creating temp directories/data under the same directory as the tests are run: Upon doing some research it appears there is a system property ...
    Stephen BoeschStephen Boesch
    Jan 2, 2015 at 10:13 pm
    Jan 15, 2015 at 5:05 pm
  • Dear all, I recently upgrade to HBase 0.0.98 and I have started seeing the error "Connection is null or closed" when calling HConnection.getTable(). As recommended by the documentation, I create a ...
    Calvin LeiCalvin Lei
    Jan 19, 2015 at 9:26 pm
    Jan 20, 2015 at 12:52 pm
  • Hi, We are trying to start HBase startgate on one the node that is running HBase master. Some rest stuff of HBase has occupied port 8085. Can anyone tell me what's going on? We are seeting this ...
    Anil guptaAnil gupta
    Jan 19, 2015 at 6:48 am
    Jan 19, 2015 at 3:32 pm
  • Hi, Can someone guide me if the solution I am proposing is a feasible option or not 1. Large xml data is delivered through external system. 2. Convert these into json format. 3. Store it into HBASE ...
    Shashidhar RaoShashidhar Rao
    Jan 4, 2015 at 10:02 am
    Jan 4, 2015 at 4:03 pm
  • Hi, I'm bulkloading into an empty hbase table and have called HTableDescriptor.setMaxFileSize to override the global setting of HConstants.HREGION_MAX_FILESIZE (i.e. hbase.hregion.max.filesize). This ...
    Tom HoodTom Hood
    Jan 23, 2015 at 6:16 pm
    Jan 27, 2015 at 6:12 pm
  • Hi all, We're using hbase 0.94-15 from CDH4 repo, and we're planning to delete several regions which contain data that are no longer needed. Basically we plan to use HRegion.deleteRegion ...
    Shuai LinShuai Lin
    Jan 24, 2015 at 5:25 pm
    Jan 25, 2015 at 2:19 pm
  • Dear all, I want to record the user history data. I know there exists two options, one is to store user events in a single row with multiple data versions and the other one is to use multiple rows. I ...
    Jan 19, 2015 at 7:29 pm
    Jan 20, 2015 at 10:36 am
  • Hi, I have PoC HBase cluster running on 3 VM deployment schema is: NODE01 NN, SN, HMaster (HM), RegionServer (RS), Zookeeper server (ZK), DN NODE02 RegionServer, DN NODE03 RegionServer, DN Suddenly ...
    Serega SheypakSerega Sheypak
    Jan 11, 2015 at 7:47 pm
    Jan 12, 2015 at 8:34 am
  • Hi HBase users, I'm working HBase for the first time and I'm trying to sort out a performance issue. HBase is the data store for a small, focused web crawl I'm performing with Apache Nutch. I'm ...
    Dave BensonDave Benson
    Jan 11, 2015 at 12:05 am
    Jan 12, 2015 at 5:30 am
  • Hi, I recently came across this good thread about 1 vs. N ColumnFamilies, the max recommended number of CFs, dense vs. sparse structure, etc. -- http://search-hadoop.com/m/TozMw1jqh262 This thread is ...
    Otis GospodneticOtis Gospodnetic
    Jan 7, 2015 at 5:10 pm
    Jan 8, 2015 at 6:04 pm
  • Hi Ted, I am referring to http://grokbase.com/p/hbase/user/134kvzt6ah/overwrite-a-row Does this mean that if I am using hbase 0.94.6, the mutate row option will not remove the previously present ...
    Sriram VSriram V
    Jan 27, 2015 at 9:19 pm
    Jan 28, 2015 at 7:08 am
  • I just use bulkload to load data into hbase table loghouse. I have make hfile in the path of hdfs:/xiaoming/loghouseip‍ I exe this command: hadoop jar $HBASE_HOME/lib/hbase-server-0.98.8-hadoop2.jar ...
    Jan 8, 2015 at 7:01 am
    Jan 8, 2015 at 4:09 pm
  • Hi, Firstly, I found it strange that when I added a new split to a table and do admin.move, it will trigger a MAJOR compaction for the whole table. So I tried to disable compaction before adding ...
    Jianshi HuangJianshi Huang
    Jan 6, 2015 at 7:03 am
    Jan 6, 2015 at 5:53 pm
  • Hello, there, I am developing a coprocessor under HBase 0.98.6. The client send a Put object to the coprocessor in Protobuf, when the coprocessor receive the message , it invokes ProtobufUtil.toPut ...
    Liu, Ming (HPIT-GADSC)Liu, Ming (HPIT-GADSC)
    Jan 21, 2015 at 1:45 am
    Jan 21, 2015 at 3:29 pm
  • I am using hbase-0.98.5-hadoop1 with hadoop 1.2.1. And I want to export a table by: hbase org.apache.hadoop.hbase.mapreduce.Export table file:///data/table but the mapreduce job failed: aused by ...
    Li LiLi Li
    Jan 15, 2015 at 11:01 am
    Jan 15, 2015 at 3:02 pm
  • Hi, I have event-processing system which uses hbase + a pack of tomcat web-apps as front-end. tomcat web-apps are similar and used for front-end load-balancing. tomcat apps write events to hbase ...
    Serega SheypakSerega Sheypak
    Jan 14, 2015 at 3:52 pm
    Jan 14, 2015 at 7:19 pm
  • Hey Guys, I am seeking advice on design a system that maintains a historical view of a user's activities in past one year. Each user can have different activities: email_open, email_click, item_view, ...
    Chen WangChen Wang
    Jan 13, 2015 at 12:44 am
    Jan 13, 2015 at 8:55 pm
  • When I added hbase-client as a dependency in Nutch's ivy.xml. <dependency org="org.apache.hbase" name="hbase-client" rev="0.98.8-hadoop2" conf="*- default" Ivy can not resolve hbase-common and ...
    Talat UyarerTalat Uyarer
    Jan 5, 2015 at 8:50 pm
    Jan 11, 2015 at 1:14 am
  • WARN main org.apache.hadoop.util.NativeCodeLoader Unable to load native-hadoop library for your platform... using builtin-java classes where applicable I have correctly installed native lib in hadoop ...
    Li LiLi Li
    Jan 5, 2015 at 8:27 am
    Jan 6, 2015 at 5:07 am
  • we have a standalone java code, which simply tries to insert one record into an existing hbase table. here it got the following error:but it is able to proceed. so this means the following operation ...
    Jan 29, 2015 at 12:11 am
    Feb 3, 2015 at 7:46 pm
  • <span class="m_body_email_addr" title="fb15909c48947b797225a83ba63110a7" wangyongqiang0617@163.com</span
    Jan 30, 2015 at 11:37 pm
    Jan 30, 2015 at 11:43 pm
  • Hi , We are using HBase 0.94.15-cdh4.7 and Hadoop version 2.0.0-cdh 4.7 We are using a small cluster 4 servers. We are also creating tables with presplit .We are using bucket ID to presplit the ...
    Jan 23, 2015 at 4:19 pm
    Jan 23, 2015 at 4:46 pm
  • I'm excited to announce the first ever Apache Phoenix meetup, hosted by salesforce.com in San Francisco on Tuesday, February 24th @ 6pm. More details here ...
    James TaylorJames Taylor
    Jan 22, 2015 at 6:25 pm
    Jan 23, 2015 at 7:07 am
  • Hi All, I am running a map reduce job which scans the hbase table for a particular time period and then creates some files from that.The job runs fine for 10 minutes or so and few around 10% of maps ...
    Nishanth SNishanth S
    Jan 22, 2015 at 7:52 pm
    Jan 22, 2015 at 10:27 pm
  • FYI: The links from hbase.apache.org to the book (documentation) are not correct or working. -Jim
    Glenn, JamesGlenn, James
    Jan 14, 2015 at 6:46 pm
    Jan 15, 2015 at 6:11 am
  • Hi: I am getting constant stability problems with the HBase Regionserver, it dies randomly everyday or every other day. It normally dies shortly after printing the following: 2014-12-30 23:06:17,091 ...
    Jan 8, 2015 at 4:09 pm
    Jan 9, 2015 at 12:20 am
  • dear all Which one should i choose phoenix verison (base on hadoop 2.2.0 and hbase 0.96.2) ?Thank u very much! Best regards! <span class="m_body_email_addr" title="36d713ba8cb0901b86b3946ed2fba0e8" ...
    Jan 6, 2015 at 8:31 am
    Jan 7, 2015 at 9:28 am
  • Hi, I want to fetch a row from hbase rest client. Composite Rowkey is: <String <Integer This is how the rowkey looks on hbase shell: ABCDEF\x00\x00\x00\x00\x01 I tried to do this request ...
    Anil guptaAnil gupta
    Jan 20, 2015 at 11:45 pm
    Feb 2, 2015 at 7:43 pm
  • Hello, I have a field which is indexed and stored in the solr schema( 4.4.solr cloud).This field is relatively huge and I plan to only index the field and not to store.Is there a need to re-index the ...
    Nishanth SNishanth S
    Jan 30, 2015 at 11:55 pm
    Jan 30, 2015 at 11:55 pm
  • Hi, I run into a problem , which I encounter several times by now and perhaps you can help me. What should I include in tables where just the qualifier is needed? E.g. in indexing you have to make ...
    Wilm SchumacherWilm Schumacher
    Jan 16, 2015 at 9:23 pm
    Jan 19, 2015 at 12:49 am
  • I got a CDH cluster with data being ingested via Flume to store in HDFS as Avro. Currently, I query the dataset using Hive. I would like to use HBase to store some frequently used top aggregates for ...
    Buntu DevBuntu Dev
    Jan 9, 2015 at 9:00 pm
    Jan 11, 2015 at 2:53 pm
  • Hi, all, I want to use a column family to save some runtime data, which is small so I set that CF in memory to increase the performance, and the user data is still save in a normal CF. My question ...
    Liu, Ming (HPIT-GADSC)Liu, Ming (HPIT-GADSC)
    Jan 6, 2015 at 2:30 am
    Jan 6, 2015 at 2:49 am
  • Hello folks, Hbase We see the following behavior. With append operation, data gets appended as expected until existing regions are getting populated. But as soon as hbase does a split ...
    Arul RamachandranArul Ramachandran
    Jan 2, 2015 at 7:08 pm
    Jan 2, 2015 at 7:13 pm
  • Hello, I'm seeing an issue similar to the one described here: http://webmail.dev411.com/t/hbase/user/149jddw9gh/hbase-establishes-session-with-zookeeper-and-close-the-session-immediately/. The only ...
    Andrew LogvinovAndrew Logvinov
    Jan 30, 2015 at 10:07 pm
    Jan 30, 2015 at 10:07 pm
  • Hello HBase Users, I wanted to let you know that a new release 1.0.0 of the Trafodion project is now available for download at http://downloads.trafodion.org/. This is a major release, including ...
    Birdsall, DaveBirdsall, Dave
    Jan 30, 2015 at 5:34 am
    Jan 30, 2015 at 5:34 am
  • HI, We were running an hbase cluster with replication enabled.How ever we have moved away from replication and turned this off.I also went ahead and removed the peers from hbase shell.How ever the ...
    Nishanth SNishanth S
    Jan 26, 2015 at 6:14 pm
    Jan 26, 2015 at 6:14 pm
  • I am architecting a platform incorporating: recommender systems, information retrieval (ML), sequence mining, and Natural Language Processing. Additionally I have the generic CRUD and authentication ...
    Alec TaylorAlec Taylor
    Jan 20, 2015 at 11:41 am
    Jan 20, 2015 at 11:41 am
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71 users for January 2015

Ted Yu: 68 posts Michael Stack: 22 posts Serega Sheypak: 16 posts Shuai Lin: 14 posts Nick Dimiduk: 10 posts Otis Gospodnetic: 10 posts Anil gupta: 8 posts Pun Intended: 8 posts Talat Uyarer: 8 posts Bi,hongyu—mike: 7 posts Nishanth S: 7 posts Taeyun Kim: 7 posts Guillermo Ortiz: 6 posts Shaun Elliott: 6 posts Jean-Marc Spaggiari: 5 posts Kennyut: 5 posts Sathyafmt: 5 posts Stephen Boesch: 5 posts Calvin Lei: 4 posts Dima Spivak: 4 posts
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