Questions tagged [hbase]
HBase is the Hadoop database (columnar). Use it when you need random, real time read/write access to your Big Data. This project's goal is the hosting of very large tables -- billions of rows X millions of columns -- atop clusters of commodity hardware.
hbase
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A NoClassDefFoundError occurs in HBase
I am studying the content of the hbase-book repository. While doing so, I encountered the following error when running the Java file at https://github.com/larsgeorge/hbase-book/blob/master/ch04/src/...
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Upgrading hadoop to 3.1.2 with hbase-testing-utility 2.2.3
The goal
I want to switch from the HDFS to the s3a client. To this end I need to upgrade from Hadoop 2.8.5 to at least 3.1.2, because I need to use the AssumedRoleCredentialProvider for AWS access. ...
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Usage of HBase Seeking in Keys
What is the Correct Usage of HBase Seeking in rowKey and columnKey while applying Filters in hbase and would like to now about seeking
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Hbase 2.0.0 with Hadooop 2.6.5 : Hbase shell Unhandled Java exception: java.lang.IncompatibleClassChangeError:java.lang.IncompatibleClassChangeError:
I am running Hadoop 2.6.5 with hbase 2.0.0 .
When I try to log into hbase with $hbase shell , i get the following below
I tried Hbase 2.5.8 with hadoop 2.6.5 same issue .
I tired Hbase 1.3.1 with ...
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Is there a way to access HBase with Thrift and Kerberos in Rust?
I successfully implemented a Rust sample app that accesses an HBase server without authentication using the hbase-thrift crate. Now, I need to access HBase with Kerberos authentication. Since the ...
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Fetch HBase key info (rowkey, colum family, qualifier) without values
Im trying to remove all columns that start with some prefix from all rows, its taking a really long and Im trying to optimize it by not fetching the values since they can be heavy.
e.g., if I have a ...
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Reading data from kafka and write to a hadoop/hbase/hive/spark stack batch procceing
I have a tech stack consisting of Hadoop as a distributed storage of raw data, HBase as a NoSQL database that runs on top of Hadoop and HDFS, Hive as an RDBMS data warehouse on top of Hive for ...
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Connection reset issue while adding column on a large hbase table using Phoenix
Recently, we got into an unique issue while adding a column to a large table. The alter table statement is like this:
ALTER TABLE MYTABLE ADD IF NOT EXISTS colfamily.CITYID BIGINT;
This has actually ...
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Apache Hadoop 2.10/3.4.0 - compatibility component's versions
Am Planning to setup apache hadoop cluster (2.10/3.4.x) version.
Searched Apache documents but did not get supported components versions
Main components required: Hive , Hbase, spark, zookeeper, nifi.
...
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Why hbase StoreFileSize (from jmx) and hdfs dfs -du -h are different?
i want to get the hbase table StoreFileSize,
but result of the command curl hostip:port/jmx?qry=Hadoop:service=HBase,name=RegionServer,sub=Tables are different from hdfs dfs -du -h /hbase/data/default/...
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Why can HBase perform fast point queries while ClickHouse is not suitable
Based on the reason that "The key reason why point queries are expensive in ClickHouse is its sparse primary index of main MergeTree table engine family", ClickHouse is not good at point ...
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Unable to Submit MapReduce Job from Java Client to Hadoop Cluster Running in Pseudo-Distributed Mode
I'm working on a project where I need to perform aggregations on the result of an HBase table scan using MapReduce and store the result in another HBase table. To achieve this, I've set up a Hadoop ...
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Controlling HBase data distribution based on salting
Is there any way to control or place salted data in a specific HBase region? Such as data with prefix 00, 01, 02 should go to region 1 and data with prefix 03, 04, 05 to region 2 and so on.
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How to read data from Apache HBase using Apache Spark in Jupyter Notebook?
I am using docker to run HBase, Jupyter, Zookeeper.
I have created a simple table in Apache HBase as shown below. (docker-compose exec hbase hbase shell)
create 'student', 'info'
put 'student', '1', '...
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Cassandra driver 2.1.10.2 returns NoHostAvailableException when Hbase client is upgraded to 2.5.8
Cassandra is giving NoHostAvailableException when Hbase client is upgraded to 2.5.8 version and cassandra driver version used is 2.1.10.2
Caused by: com.google.common.util.concurrent....
