Use Shc to Read Data From Hbase

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How to connect HBase and Spark using Python?

I take an embarrassingly parallel task for which I use Spark to distribute the computations. These computations are in Python, and I use PySpark to read and preprocess the data. The input data to my ...

asked Jul 19 '16 at 23:27

Def_Os

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Spark SQL performance

My lawmaking's algorithm as below Step1. become one hbase entity data to hBaseRDD JavaPairRDD<ImmutableBytesWritable, Upshot> hBaseRDD = jsc.newAPIHadoopRDD(hbase_conf, ...

asked Dec 25 '14 at 10:00

SparkSQL on HBase Tables

Anybody is using SparkSQL on HBase tables directly, like SparkSQL on Hive tables. I am new to spark.Please guide me how to connect hbase and spark.How to query on hbase tables.

asked Sep 16 '16 at 11:58

Save Pyspark dataframe to Hbase

Hi I have referred beneath this link to write my pyspark dataframe to hbase. Only i am getting below error i am not sure what i am doing incorrect, it seems i am missing some thing on configuration side/ ...

asked Jul 25 '17 at 12:24

user07

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How to connect hbase through Spark-sql context?

I'm working on a scenario where i want to access hbase from spark sql and read it as data frame. below is the code. import java.io.IOException; import java.util.HashMap; import org.apache.hadoop.conf....

asked February 22 '17 at nine:04

Aru

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Joining 2 Datasets with Predicate Pushdown

I take a Dataset that i created from a RDD and try to join it with another Dataset which is created from my Phoenix Table: val dfToJoin = sparkSession.createDataset(rddToJoin) val tableDf = ...

asked Sep 19 '17 at xiv:46

Is Cassandra comparable to HBase?

HBase is known for existence a primal-value store and random reads with .go and .put functions based on the fundamental. Is Cassandra a better pick for suiting a requirement of key-value shop? Can information technology back up ...

asked Jun 10 '17 at 22:57

Scala 2.11 Spark 2.0 hortonworks-spark/shc sbt assemby

I endeavour to assembly a Scala two.xi Spark two.0 awarding using hortonworks-spark/shc to access hbase. The dependencies set looks simple: libraryDependencies ++= Seq( "org.apache.spark" %% "spark-cadre" ...

asked Dec 7 'xvi at 14:18

Unable to create Hbase table using Hive query through Spark

Using the following tutorial: https://hadooptutorial.info/hbase-integration-with-hive/, I was able to practise the HBase integration with Hive. Subsequently the configuration I was successfully able to create ...

asked May 27 'xv at 12:11

Renien

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HBASE SPARK Query with filter without load all the hbase

I accept to query HBASE and then piece of work with the information with spark and scala. My problem is that with my solution, i accept ALL the information of my HBASE table and then i filter, it'due south non an efficient manner because ...

asked Oct 29 '18 at 17:15

SimbaPK

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loading csv file to HBase through Spark

this is simple " how to " question:: We can bring data to Spark environment through com.databricks.spark.csv. I do know how to create HBase table through spark, and write information to the HBase tables ...

asked Apr vi '17 at 10:27

user3521180

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SparkSQL+Hive+Hbase+HbaseIntegration doesn't work

I am getting error when I am trying to connect hive table (which is being created through HbaseIntegration) in spark Steps I followed : Hive Tabular array creation code : CREATE TABLE examination.sample(id string,...

asked Sep two 'sixteen at v:59

How to send a DELETE query to HBase via Spark Job

I have this use instance for an automated SparkSQL Job where I want to do this : Read a tabular array (let'southward phone call it table1) from Phoenix using Spark and gather in a DataFrame (let's call information technology df1) all the ...

asked Apr iv 'nineteen at 12:31

Methods to read hbase table using spark scala

I am using catalog method to read data from hbase and store it into dataframe using method described here Read HBase tabular array with where clause using Spark, but I am wondering if at that place is whatever other ...

asked Aug 30 '18 at eighteen:29

Spark two.3.0 SQL unable insert data into hive hbase table

Use Spark 2.3 thriftserver integrated with hive two.two.0. running from spark beeline. Try to insert data into hive hbase table (a hive table with hbase as storage). Insert into hive native table is ok. ...

asked Jun 4 '18 at 11:51

Phoenix Dynamic Columns in Spark Dataframe API

I'yard trying to utilize Phoenix to fill a HBase table with dynamic content. Therefore I did some experiments with dynamic columns (https://phoenix.apache.org/dynamic_columns.html) in the sqlline tool. E....

asked Dec 14 '17 at 13:28

D. Müller

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Kafka Spark streaming HBase insert bug

I'grand using Kafka to send a file with three columns using Spark streaming 1.3 to insert into HBase. This is how my HBase looks like : ROW Cavalcade+Jail cell zone:bizert column=...

asked April 10 '17 at 16:04

Zied Hermi

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Hbase using spark-sql

I have a table named "sample" in hbase. I need to query the table using Apache spark-sql query. Is in that location whatsoever way to read hbase data using Apache spark-sql query?

asked Nov eleven '15 at 5:02

wazza

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Call back and format data from HBase to scala Dataframe

I am trying to get data from hbase tabular array into apache spark environs, but I am non able to figure out how to format information technology. Tin can somebody assistance me. case class systems( rowkey: String, iacp: Choice[Cord]...

asked April 27 '19 at 17:29

Ahmad

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HBase Get values where rowkey in

How practise I become all the values in HBase given Rowkey values? val tableName = "myTable" val hConf = HBaseConfiguration.create() val hTable = new HTable(hConf, tableName) val theget= new Get(Bytes.toBytes(...

asked May 21 'xv at 15:36

sophie

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Create Spark DataFrame from list row keys

I accept a list of HBase row keys in grade or Array[Row] and want to create a Spark DataFrame out of the rows that are fetched from HBase using these RowKeys. Am thinking of something like: def ...

asked Oct 2 'xix at 15:28

Khushbu

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How to get Public DNS for Google Cloud Bigtable

I am trying to read/write data from Bigtable using Spark Job in google beat out. I take used the API provided by Google cloud for bigtable connexion - https://cloud.google.com/bigtable/docs/samples-...

asked Jul 24 '17 at 9:42

Storing data in HBase using Spark

I am trying to store data in HBase using the following code: val x = Seq((1, ("a", "A")), (1, ("a", "AA")), (2, ("d", "D")), (2, ("d", "DD"))) val f = sc.parallelize(x) val z = f.groupByKey() z....

asked February 24 '17 at half dozen:49

Hassan Ali

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Obtain value from HBase table by primal

At that place is a HBase table with tens of billions records where a key is a line of xl bytes. And also there is a list of hundreds of thousands keys. I need to get all records with this keys and return ...

asked May half dozen '15 at 20:37

Loom

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Predicate pushdown not happening using shc core

I am really facing a problem with my HBase tabular array that is evolving every mean solar day. I am using ̀ shc core to read the tabular array as a DataFrame and I am storing every column as String blazon. What I am trying to ...

asked Jan 13 '20 at 14:37

Write Spark dataframe to Hbase using phoenix connector

I have Hive table which points to Hbase table. I have a spark task which creates dataset having schema equal to hbase table. I am saving this dataframe to hbase table using below command. sql.write()....

asked Sep xx '17 at seven:15

spark dataframe insert to hbase error

I have a dataframe with this schema : |-- Name1: string (nullable = true) |-- Name2: string (nullable = true) |-- App: string (nullable = true) ... |-- Elapsing: float (nullable = false) I want ...

asked Jul x '17 at 14:48

Zied Hermi

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Apply of zoopkeeper.znode.parent backdrop in hbase?

Tin y'all anyone explain 1.Utilise of zoopkeeper.znode.parent properties in hbase 2.How to set spark class path for hbase in secure cluster(kerbose) iii.Apart from hbase course path what are the other ...

asked November 16 '16 at 16:50

Unable to load spark sql datasource for HBase

I want to utilise Spark SQL to fetch data from HBase table. But I get classNotFoundException while creating DataFrame. Hither is my exception. Exception in thread "main" java.lang.NoClassDefFoundError: org/...

asked Mar 30 'xvi at eleven:45

Fetch all records from HBase using SparkSQL

I am trying to read all records from Hbase table. Below is the code snippet. SparkContext sparkContext = new SparkContext(conf); SQLContext sqlContext = new SQLContext(sparkContext); ...

asked Jul 6 '15 at 13:30

Amitsh

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Source: https://web.archive.org/web/20210122044429/https://stackoverflow.com/questions/tagged/hbase+apache-spark-sql