HMaster and HRegionServer not working
Hello All, I had installed Hadoop 2.6.0 with Hbase 1.0. Have configured all the settings mentioned in the Apache Website for both hadoop and Hbase. Hadoop runs successfully, but when I Start HBase, I...
View ArticleSandbox : Hive Hbase Integration Problem
Hi, I am using a sandbox Virtual Machine and trying to migrate data into HIVE_ON_HBASE, ie., creating table on hive and inserting values into hbase using hbase api, therefore retrieving data from hive...
View ArticleReply To: Unable to instantiate UDF implementation class
So, i added the udf jar to our Dev cluster which has hadoop 2.4.0.2.1 and it works well there. It does not still work on the Sandbox which has hadoop 2.6.0.2.2. I have made sure that I used the Hadoop...
View ArticleError Importing sql sever data from sqoop
Hi I am importing data from sql server to hdfs and below is the command sqoop import –connect “jdbc:sqlserver://Servername:1433;username=hadoop;password=Password;database=MSBI” –table DimDate...
View ArticleReply To: /hdp/apps folder is not getting created while installing HDP2.2...
Please refer this: http://search-hadoop.com/m/g7Bc6ySOp11WQtAg2&subj=Re+Map+Reduce+Application+Framework+Path+Changed+ This resolved my query. Thanks Pratik
View ArticleReply To: Spark 1.3 Upgarde on HDP-2.2.4.2-2
Thanks I will try that. Please update the document to add this line also hdp-select set spark-client 2.2.4.4-16
View Articleoptimal size for hbase.hregion.memstore.flush.size
Hi all, We have a very high write heavy application. I would like to set a optimal value for the hbase.hregion.memstore.flush.size. It is mentioned that the size should be between 128 and 256 Mb. I...
View ArticleReply To: Phoenix/hbase client
it dont find class driver jdbc phoenix >>>Caused by: java.lang.ClassNotFoundException: org.apache.phoenix.jdbc.PhoenixDriver you need to add the phoenix client jar contain the driver phoenix,...
View ArticleUnable to create Hbase table using Hive query through Spark
Using the following tutorial, I was able to do the HBase integration with Hive. After the configuration I was successfully able to create Hbase table using Hive query with Hive table mapping. Hive...
View ArticleSqoop for AS400
Hi I am trying to connect to an IBM iseries AS400 server Command: sqoop list-tables –driver com.ibm.as400.access.AS400JDBCDataSource –connect jdbc:as400://server:992/–username=name –password=pass...
View ArticleGet information using the commandline
Hi, there is plan to upgrade the Ambari cluster. I searched the documentation for some commandline examples to get some basic information without using the web at x.x.x.x:8080/login So i’m interested...
View ArticleReply To: sqoop as400 communication
Hi could you share the procedure you are using to import data.
View ArticleStore data to separate datanodes and grant access to specific datanodes
Hi, I have several applications using the same hadoop-cluster as data-storage. The different data of each application is stored directly at HDFS or at HDFS by Hive. I want to separate the data of each...
View ArticleHBase Issue | google protobuf tag mismatch error while deserialising SCAN st
Context: I am in the process of migrating my MR jobs on HBase from CDH 2.0.0-cdh4.5.0 (Hadoop1) to HDP 2.2.0.0-2041 (YARN). After minor changes the code was compiled against HDP 2.2.0.0-2041. Problem:...
View ArticleReply To: Tez and Java heap space
I’ve run into something similar. I have a pig job that runs perfectly fine when using MapReduce. When I use “-x tez” to run the same script, it complains about Java Heap Space. My system is configured...
View Articlehue-plugin jar file
I’ve downloaded the HDP 2.2 for centos 6 (linux servers have no internet access) and installed the hue-plugins rpm as instructed, but there is no jar file in the rpm: rpm -q –filesbypkg...
View ArticleReply To: Falcon and schedulling
Hi, if you create feed definition there is availability flag(data path or file), if this exists then only your job will be scheduled. falcon does not scheule at specific time but on availability flag....
View ArticleReply To: Ambari agent installation failing
Hi, I am running into similar issue. Unfortunately, ambari client seems to start only on the head node. I have copied and imported ambari commons, re-installed the agent and trying to start it. I am...
View ArticleReply To: Ambari agent installation failing
Are you reinstalling Hadoop on existing cluster ?
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