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HBase region merge problem
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| Sep 12, 2011 | |||||
 Parmod Mehta |
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Re: bug report: opening hbase region takes too long , making the region not available for more than August 19, 2010 11:38:45 AM Jonathan: We saw similar issue using HBASE 0.20.6 with HBASE-2473 Caused by: org.apache.hadoop.hbase.client.NoServerForRegionException: No server address listed in .META. for region HB_INC_POST_0818-ERROR_SAMPLES-1282193650093,,1282193650831 at… hbase region server/region information June 6, 2011 10:12:40 PM Hi, I just loaded a bunch of data into Hbase , and want to know the number of regions created, the region servers they are assigned to, and the region size being managed by each region server. Are there any tools/utilities I can use to quickly… how to make tuning for hbase (every couple of days hbase region sever/s crashe) August 23, 2011 04:37:44 AM Hi , Our environment hbase 90.2 (10 machine) We have 10 machine grid: master has 48G ram slaves machine has 16G ram. Region Server process has 4G ram Zookeeper process has 2G ram We have 4map/2reducer per machine We… online automatic region merge July 8, 2010 10:51:05 PM Hi guys, It seems that there is no support for automatic region merge in the current implementation of HBase (0.20.5). After searching in jira, I only found a command line utility called onlinemerge in HBASE-1621. If so, any plan on automatic… HBase Backups / Problem using Export/Import Job HBase 0.20.3 -> s3n -> HBase 0.90 (CDH3) Dropp September 2, 2011 05:40:19 PM We've been working on a Backup / Restore program Hbacker (https://github.com/rberger/hbacker) that uses the HBase Hadoop Export/Import jobs. Its pretty tuned to our use case (we just do appends, never delete, this allows us to do very simple… HBase region size June 28, 2011 01:39:50 AM Hi, We have been using Hadoop in our project as a DFS cluster to store some critical information. This critical information is stored as zip files of about 3-5 MB in size each. The number of these files would grow to more than a billion files… HBase region size config June 28, 2011 08:07:22 AM Hi, We have been using Hadoop in our project as a DFS cluster to store some critical information. This critical information is stored as zip files of about 3-5 MB in size each. The number of these files would grow to more than a billion files… scan specific hbase region October 20, 2010 05:24:36 AM Hi , I am running hbase scan on daily basis. HBase table become bigger and as a result it takes to more time to scan it , but actually I don't need to scan all the table. Most of the time I need to scan partial data of it. The question is: is… Initial region loads in hbase.. August 27, 2010 07:02:46 PM Hi guys, A couple of days back, I had posted a problem on regions taking too much time to load when I restart Hbase.. I have a table that has around 80 K regions on 650 nodes (!) .. I was checking the logs in the master and I notice that the… HBase 0.90.0 region servers dying February 16, 2011 02:41:32 AM Hi, We have a newly setup a cluster of 5 nodes, each with 16 GB rams. We use HBase 0.90.0 on top of Hadoop from CDH3. When testing HBase under heavy load generated bu YCSB, we consistently see region servers dying silently, without any logs or… HBase region servers OOME July 13, 2011 01:53:00 AM Hi, I get an out of memory error while running a MR job on a 42 GB hbase table. The cluster size is 5 and the region servers start with an Xmx = 1GB. I guess the Xmx is too low. But is that the only problem or is this due to a bug. I am using… Re: HBase querying across region servers April 28, 2011 05:12:58 PM (please don't write back personally unless it's really personal) That's all fine, rows are always contained in a single region. By state I meant if you created some fancy filter yourself and decided to keep some state where the filtering of one… HBase unable to find region servers April 25, 2011 05:10:36 AM Hello friends, I was using a hadoop cluster of apache hadoop (version 0.20.2) with apache hbase-0.20.6(2 regionservers) and apache zookeeper 3.3.1 (cluster of 2). I ran into problems when I replaced the apache hadoop 0.20.2 with CDH3(cloudera… Hbase Region Server Heap Size November 8, 2010 03:16:13 AM Hi Does anybody know how to increase the heap size of region servers? Question regarding region scans in HBase integration September 11, 2010 09:01:28 PM I was trying to spend a little time this weekend catching up with the current state of HBase integration for Hive. One thing that I haven't seen mentioned is how exactly Hive scans an HBase table during a SELECT. Does Hive have logic that… Hbase insertion process cause to region server down. November 8, 2010 09:52:55 AM Hi , I run map/reduce job which from reducers writes to hbase. I have to write 8-9 million raws. My environment: 5 servers dual core , 8G ram. HDFS -- 9TB hadoop has 1000 heap_size , hbase has 2000 heap_size zookeeper has 1000… Error Installing Hbase Region Server October 27, 2010 04:11:06 AM Hi I am trying to install the region server but i run the following command, its giving error. Here is the output. roo### @app1:/etc/hbase/conf# apt-get -y install hadoop-hbase-regionserver Reading package lists... Done Building dependency tree… HBase unable to find region servers April 25, 2011 08:21:50 AM Hello friends, I was using a hadoop cluster of apache hadoop (version 0.20.2) with apache hbase-0.20.6(2 regionservers) and apache zookeeper 3.3.1 (cluster of 2). I ran into problems when I replaced the apache hadoop 0.20.2 with CDH3(cloudera… hbase admin console shows strange region server's name March 10, 2011 10:15:07 AM Hi , We are in process of installations hbase 0.90.1. We compiled source code of hadoop-append and changed it in the distribution of hbase We succeeded to run some tests using only hadoop (map/reduce jobs) but , after starting hbase… org.apache.hadoop.hbase.client.NoServerForRegionException: Timed out trying to locate root region September 19, 2010 09:10:08 AM Hi, I'm trying to run the java client using the remote client API vs a remote machine on which HBase is configured to work in a semi-distributed mode. When I run the sell on the remote machine everything works just fine (I can create tables set… HBase: How to delete region June 20, 2011 Due to legal issues I need to delete old data from HBase. I found a way to split the region using my criteria and by that moving the old data to the… Looking for proper hbase-site.xml hbase-default.xml config example for HBase client February 2, 2011 Hi, I am trying to connect to an HBase node from a Java application. HBaseConfiguration is key, but the available Javadoc and documentation is… Problem with extending HBase Put March 18, 2011 Hello, I have a problem while trying to extend HBase Put class. I have a code like this public class HBasePut extends Put { //here i define my own… Grails,hbase deleting associated entities problem May 7, 2011 Hi, I user grails-1.3.2 and gorm-hbase-0.2.4 plugin. I have two domain classes with bidirectional one to one association: class Parent{ static… How to set region with _SESSION April 26, 2011 hi how can I set the region (en, da, de etc) with mod_rewrite? the rewrite condition has to look like this www.domain.com/en/ www.domain.com/dk/… C# Regex for a match outside a specific region April 8, 2011 I have to find occurrences of a certain string (needle) within another string (haystack) that don't occur between specific "braces". For example… MySQL relations for country region and town tables February 18, 2011 Hi all, I am trying to figure out the best method to relate country, region and town tables. On my website I want the user to be able to just enter… Should I Populate Country/Region Names at DB or Application Level? January 9, 2011 I'm going through a tough decision (at least for me)... My website would have a list of countries in dropdown list and list of cities based on… Hbase client ConnectionLoss for /hbase error May 27, 2011 I'm going completely crazy: Installed Hadoop/Hbase, all is running; /opt/jdk1.6.0_24/bin/jps 23261 ThriftServer 22582 QuorumPeerMain 21969 NameNode… How to copy data from one HBASE table to another secondary index HBASE table March 21, 2011 hi My question is : How do i copy HBASE table to secondary index table. Please reply asap. Thanks GB ERROR: org.apache.hadoop.hbase.MasterNotRunningException: null+hbase+hadoop March 11, 2011 Hello experts, I have recently configured hadoop cluster with two machines(on ubuntu). It works fine so far. But when i try to configure hbase on… How can I merge these two queries into one? February 15, 2011 $a = mysql_query("SELECT COUNT(*) as `count_1` FROM `table_1` WHERE `this_1` = '1'"); $b = mysql_fetch_assoc($a); $c = mysql_query("SELECT COUNT(*)… Merge two queries into one June 22, 2011 I have two queries that I would like to have merged into one. The first one looks like this; SELECT t.name, t.score, COUNT(m.user_id) AS memberCount… Is it possible to merge these queries? March 12, 2011 Is it possible to merge these queries? $sql1 = "UPDATE users AS u, invites AS i SET u.uinvite = u.uinvite - 1, u.ufriends = CONCAT(u.ufriends,… How do I merge two table?? January 12, 2011 I do have two table each with 50000 data. both tables id starts from 1 - 50000 so when I try to insert to table_1 from table_2 by using INSERT… How to merge two PDO queries into one? April 28, 2011 Hi, I have two tables named users and contacts . I would like to delete the records from two table at once. For that I am using the code below for… MySQL id merge question March 7, 2011 Sorry for the vague topic but I'm having a hard time explaining this. What I'm trying to do is fetching an ID representing a post which can be… MySQL AVG - A way to merge two results for AVG April 1, 2011 I'm trying to get the average number of interactions on my metrics, but this query gets the average number of inteactions for those who DID interact… Merge two SELECT queries into one February 23, 2011 I have two queries where I only need the count of total records but the only difference in the queries is one field value. Example; SELECT COUNT(*)… Is it possible to merge two MySQL databases into one? January 3, 2011 Lets say I have two MySQL databases with some complex table structures. Neither database has the same table name. Lets say these tables contain no… | |||||
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