Best unofficial Apache Server developers community |
| |||||
| Jun 6, 2011 | |||||
|
Saurabh Sehgal |
|
||||
| Tags: | |||||
|
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… Region server blocking updates for a region for 90s September 24, 2010 11:12:05 AM Hey, We seem to have come across a bug in hbase with how it is flushing the memstore when it is full, I think it's related to this… 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? 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… Region locality and .META. region May 16, 2011 01:26:10 PM Hi, I have two questions: 1. Does HBase knows how to handle blocks moving. e.g does HBase can recognize that some local block deleted from machine and move that region to machine with that block? 2. What happen if the region server of the .META.… Created: (DIRKRB-79) Access the PAC-region of AS_REQ to get group membership information supplied by November 16, 2010 10:06:50 AM Access the PAC-region of AS_REQ to get group membership information supplied by MS KDC 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… 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… 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… 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… 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 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 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… What's the region server doing? March 1, 2011 07:08:49 PM My cluster (10 nodes, hbase-0.20.6 + hadoop 0.20.2) is very very slow for any operation like disable table or delete. Master's thread dump says they are blocked by the metaScanner thread. When I looked at the log file on the .META RS there are no… Region server OME April 17, 2011 08:02:51 PM Hi, My HBase deployment has been working great but recently the regionservers always got out of memory error. The symptom is like this: region servers failed with OME, and then I restarted them. One of region servers used up the maximum memory I… region server shutdown, why? December 16, 2010 03:29:59 AM Hello, I'm doing performance test on hbase 0.20.6. My cluster contains 7 regionservers. After lodding 4TB data, one regionserver shutdown. Exception info in the log is below. Can someone tell me what's the matter? Regionserver log: … Decommission a Region Server April 8, 2011 04:22:55 PM Is there a procedure to decommission a region server? If I just kill a region server process, the master tries to reconnect again and again and the master logs looks like this 11/04/08 21:08:35 WARN util.FSUtils: Waited 2533953ms for lease… Help : region server jvm core September 25, 2010 11:33:31 PM Hi HBaser, we meet a problem when a meta region down then another region server load region. a region server core. out machine enviroment: 8 cores CPU, 48G memory, 12 1T disks our region server heap size : 36000 jdk java… 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… 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… 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… 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… 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… I'm making an HTML form and I need to save checkbox information in the database but this information also needs to be searchable. Best possible way? February 24, 2011 So I am designing a database and I have an entity called 'resources', which, has standard attributes like name, url, email that fit nicely into the… PHP query to retrieve pal(friend) information and list thumbnails with links to pal information February 3, 2011 Hi Guys, I am making a social networking site where I want to have a user's pals shown in a PHP generated table. I want to show pal thumbnails and… JQuery/PHP Hide Div, Update Information from MySQL, Show Div New Information March 6, 2011 jQuery: $(document).ready(function(){ $(".reload").click(function() { $("div#update").fadeOut("fast") .load("home.php div#update").fadeIn("fast")… 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… MySQL: How to pull information from multiple tables based on information in other tables? January 9, 2011 Ok, I have 5 tables which I need to pull information from based on one variable. gameinfo id | name | platforminfoid gamerinfo id | name | contact |… How to use HBase? May 2, 2011 Hi All, I need help regarding database. I am trying to create a Java project which uses the data from 25 different XML files to display a graph. My… Integrate Hbase with PHP April 16, 2011 I have installed the Hbase and now I am looking for some PHP library to integrate hbase with PHP I have tried 2 libraries one is I tried to connect… How to connect HBase with PHP or other March 6, 2011 Hi All, am new to HBase. currently am installed HBase as a standalone mode and i tried to start HBase master, its working. I know is there a API for… Help on Stargate+PHP+Hbase March 18, 2011 From where I can get help on Stargate interface and Hbase? I have found useful materials in http://wiki.apache.org/hadoop/Hbase/Stargate . Its ok to… Get all families in hbase May 1, 2011 I have a hbase table with Rows: word, Families: date I want to get a scanner for all the words at the date 'd', how I can do this? So I don't want… On linux the hbase April 30, 2011 hello I m new to Hbase here is some errors in hbase table creation as follows: hbase(main):004:0> list 11/04/30 11:42:23 DEBUG… Is there any C library for HBase? June 1, 2011 hi, there. i need HBase to store large amount of indexing keywords and values(currently using redis.), but i can't find any C library to connect,… | |||||
(24 lines) Jun 6, 2011 22:20