org.apache.hadoop.hbase.HColumnDescriptor Scala Example

Source File: HBase.scala From AI with Apache License 2.0

6 votes

package com.bigchange.hbase

import com.bigchange.util.HBaseUtil._
import org.apache.hadoop.conf.Configuration
import org.apache.hadoop.hbase.{HBaseConfiguration, HColumnDescriptor, HTableDescriptor, TableName}
import org.apache.hadoop.hbase.client.{Result, _}
import org.apache.hadoop.hbase.io.ImmutableBytesWritable
import org.apache.hadoop.hbase.mapreduce.TableInputFormat
import org.apache.hadoop.hbase.protobuf.ProtobufUtil
import org.apache.hadoop.hbase.protobuf.generated.ClientProtos
import org.apache.hadoop.hbase.util.Base64
import org.apache.spark.SparkContext


  def existRowKey(row:String, table: Table): Boolean ={

    val get = new Get(row.getBytes())
    val result = table.get(get)

    if (result.isEmpty) {
      warn("hbase table don't have this data,execute insert")
      return false
    }

    true

  }

  def getConfiguration = if(hBaseConfiguration == null) {
      warn("hbase setDefaultConfiguration....")
      setDefaultConfiguration
    } else  hBaseConfiguration

  def setDefaultConfiguration = {

    hBaseConfiguration = HBaseConfiguration.create

    // 本地测试 需配置的选项， 在集群上通过对应配置文件路径自动获得
    hBaseConfiguration.set("fs.defaultFS", "hdfs://ns1"); // nameservices的路径
    hBaseConfiguration.set("dfs.nameservices", "ns1");  //
    hBaseConfiguration.set("dfs.ha.namenodes.ns1", "nn1,nn2"); //namenode的路径
    hBaseConfiguration.set("dfs.namenode.rpc-address.ns1.nn1", "server3:9000"); // namenode 通信地址
    hBaseConfiguration.set("dfs.namenode.rpc-address.ns1.nn2", "server4:9000"); // namenode 通信地址
    // 设置namenode自动切换的实现类
    hBaseConfiguration.set("dfs.client.failover.proxy.provider.ns1", "org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider")
    hBaseConfiguration.set("hbase.rootdir", "hdfs://ns1/hbase")
    hBaseConfiguration.set("hbase.zookeeper.quorum", "server0,server1,server2")
    hBaseConfiguration.set("hbase.zookeeper.property.clientPort", "2181")

    hBaseConfiguration

  }

}

Source File: CreateSaltedTable.scala From Taxi360 with Apache License 2.0

5 votes

package com.hadooparchitecturebook.taxi360.setup.hbase

import java.io.File

import org.apache.commons.lang.StringUtils
import org.apache.hadoop.hbase.{HBaseConfiguration, HColumnDescriptor, HTableDescriptor, TableName}
import org.apache.hadoop.hbase.client.ConnectionFactory
import org.apache.hadoop.hbase.io.compress.Compression
import org.apache.hadoop.hbase.regionserver.{BloomType, ConstantSizeRegionSplitPolicy}
import org.apache.hadoop.hbase.util.Bytes

import scala.collection.mutable


object CreateSaltedTable {
  def main(args:Array[String]): Unit = {

    if (args.length == 0) {
      println("<tableName> <columnFamily> <regionCount> <numOfSalts> <hbaseConfigFolder>")
    }
    val tableName = args(0)
    val columnFamilyName = args(1)
    val regionCount = args(2).toInt
    val numOfSalts = args(3).toInt
    val hbaseConfigFolder = args(4)

    val conf = HBaseConfiguration.create()

    conf.addResource(new File(hbaseConfigFolder + "hbase-site.xml").toURI.toURL)

    val connection = ConnectionFactory.createConnection(conf)

    val admin = connection.getAdmin

    val tableDescriptor = new HTableDescriptor(TableName.valueOf(tableName))

    val columnDescriptor = new HColumnDescriptor(columnFamilyName)

    columnDescriptor.setCompressionType(Compression.Algorithm.SNAPPY)
    columnDescriptor.setBlocksize(64 * 1024)
    columnDescriptor.setBloomFilterType(BloomType.ROW)

    tableDescriptor.addFamily(columnDescriptor)

    tableDescriptor.setMaxFileSize(Long.MaxValue)
    tableDescriptor.setRegionSplitPolicyClassName(classOf[ConstantSizeRegionSplitPolicy].getName)

    val splitKeys = new mutable.MutableList[Array[Byte]]
    for (i <- 0 to regionCount) {
      val regionSplitStr = StringUtils.leftPad((i*(numOfSalts/regionCount)).toString, 4, "0")
      splitKeys += Bytes.toBytes(regionSplitStr)
    }
    admin.createTable(tableDescriptor, splitKeys.toArray)
  }
}

Source File: IntegrationUtils.scala From spark-hbase-connector with Apache License 2.0

5 votes

package com.user.integration

import it.nerdammer.spark.hbase.HBaseSparkConf
import org.apache.hadoop.hbase.client.HBaseAdmin
import org.apache.hadoop.hbase.{HColumnDescriptor, HTableDescriptor, TableName}
import org.apache.spark.{SparkConf, SparkContext}

object IntegrationUtils extends Serializable {

  @transient lazy val sparkContext: SparkContext = {
    val sparkConf = new SparkConf()
    sparkConf.set("spark.master", "local")
    sparkConf.set("spark.driver.allowMultipleContexts", "true")
    sparkConf.setAppName("test")
    new SparkContext(sparkConf)
  }

  def createTable(table: String, columnFamily: String): Unit = createTable(table, Seq(columnFamily))


  def createTable(table: String, columnFamilies: Seq[String]): Unit = {
    val conf = HBaseSparkConf()
    val admin = new HBaseAdmin(conf.createHadoopBaseConfig())

    val tableDesc = new HTableDescriptor(TableName.valueOf(table))
    columnFamilies.foreach(cf => {
      tableDesc.addFamily(new HColumnDescriptor(cf))
    })

    admin.createTable(tableDesc)
  }

  def dropTable(table: String) = {
    val conf = HBaseSparkConf()
    val admin = new HBaseAdmin(conf.createHadoopBaseConfig())

    admin.disableTable(table)
    admin.deleteTable(table)
  }

  def pad(str: String, size: Int): String =
    if(str.length>=size) str
    else pad("0" + str, size)

}

Source File: HbaseTableHelper.scala From stream-reactor with Apache License 2.0

5 votes

package com.datamountaineer.streamreactor.connect.hbase

import org.apache.hadoop.hbase.client.Connection
import org.apache.hadoop.hbase.{HColumnDescriptor, HTableDescriptor, TableName}

object HbaseTableHelper {

  def createTable(tableName: String, columnFamily: String)(implicit connection: Connection): Unit = {
    createTable(TableName.valueOf(tableName), columnFamily)
  }

  def createTable(tableName: TableName, columnFamily: String)(implicit connection: Connection): Unit = {
    HbaseHelper.autoclose(connection.getAdmin) { admin =>
      if (admin.tableExists(tableName))
        throw new IllegalArgumentException(s"${tableName.getNameAsString}")

      val descriptor = new HTableDescriptor(tableName)
      val colFamDesc = new HColumnDescriptor(columnFamily)
      colFamDesc.setMaxVersions(1)
      descriptor.addFamily(colFamDesc)

      admin.createTable(descriptor)
    }
  }

  def deleteTable(tableName: TableName)(implicit connection: Connection): Unit = {
    HbaseHelper.autoclose(connection.getAdmin) { admin =>
      admin.disableTable(tableName)
      admin.deleteTable(tableName)
    }
  }

  def deleteTable(tableName: String)(implicit connection: Connection): Unit = {
    deleteTable(TableName.valueOf(tableName))
  }
}

Source File: SHC.scala From shc with Apache License 2.0

5 votes

package org.apache.spark.sql

import java.io.File

import com.google.common.io.Files
import org.apache.hadoop.hbase.{HColumnDescriptor, HTableDescriptor, TableName, HBaseTestingUtility}
import org.apache.hadoop.hbase.client.{Scan, Put, ConnectionFactory, Table}
import org.apache.hadoop.hbase.util.Bytes
import org.apache.spark.sql.execution.datasources.hbase.SparkHBaseConf
import org.apache.spark.sql.types.UTF8String
import org.apache.spark.{SparkContext, SparkConf, Logging}
import org.scalatest.{BeforeAndAfterAll, BeforeAndAfterEach, FunSuite}
import scala.collection.JavaConverters._

class SHC  extends FunSuite with BeforeAndAfterEach with BeforeAndAfterAll  with Logging {
  implicit class StringToColumn(val sc: StringContext) {
    def $(args: Any*): ColumnName = {
      new ColumnName(sc.s(args: _*))
    }
  }


  private[spark] var htu = HBaseTestingUtility.createLocalHTU()
  private[spark] def tableName = "table1"

  private[spark] def columnFamilies: Array[String] = Array.tabulate(9){ x=> s"cf$x"}
  var table: Table = null
  val conf = new SparkConf
  conf.set(SparkHBaseConf.testConf, "true")
  SparkHBaseConf.conf = htu.getConfiguration
  // private[spark] var columnFamilyStr = Bytes.toString(columnFamily)

  def catalog = s"""{
            |"table":{"namespace":"default", "name":"table1"},
            |"rowkey":"key",
            |"columns":{
              |"col0":{"cf":"rowkey", "col":"key", "type":"string"},
              |"col1":{"cf":"cf1", "col":"col1", "type":"boolean"},
              |"col2":{"cf":"cf2", "col":"col2", "type":"double"},
              |"col3":{"cf":"cf3", "col":"col3", "type":"float"},
              |"col4":{"cf":"cf4", "col":"col4", "type":"int"},
              |"col5":{"cf":"cf5", "col":"col5", "type":"bigint"},
              |"col6":{"cf":"cf6", "col":"col6", "type":"smallint"},
              |"col7":{"cf":"cf7", "col":"col7", "type":"string"},
              |"col8":{"cf":"cf8", "col":"col8", "type":"tinyint"}
            |}
          |}""".stripMargin

  override def beforeAll() {
    val tempDir: File = Files.createTempDir
    tempDir.deleteOnExit
    htu.cleanupTestDir
    htu.startMiniZKCluster
    htu.startMiniHBaseCluster(1, 4)
    logInfo(" - minicluster started")
    println(" - minicluster started")

  }

  override def afterAll() {
    try {
      table.close()
      println("shutdown")
      htu.deleteTable(TableName.valueOf(tableName))
      logInfo("shuting down minicluster")
      htu.shutdownMiniHBaseCluster
      htu.shutdownMiniZKCluster
      logInfo(" - minicluster shut down")
      htu.cleanupTestDir
    } catch {
      case _ => logError("teardown error")
    }
  }

  def createTable(name: String, cfs: Array[String]) {
    val tName = Bytes.toBytes(name)
    val bcfs = cfs.map(Bytes.toBytes(_))
    try {
      htu.deleteTable(TableName.valueOf(tName))
    } catch {
      case _ =>
        logInfo(" - no table " + name + " found")
    }
    htu.createMultiRegionTable(TableName.valueOf(tName), bcfs)
  }


  def createTable(name: Array[Byte], cfs: Array[Array[Byte]]) {
    try {
      htu.deleteTable(TableName.valueOf(name))
    } catch {
      case _ =>
        logInfo(" - no table " + Bytes.toString(name) + " found")
    }
    htu.createMultiRegionTable(TableName.valueOf(name), cfs)
  }
}

Source File: HBaseUtils.scala From bigdata-examples with Apache License 2.0

5 votes

package com.timeyang.common.util

import com.timeyang.common.config.BaseConf
import org.apache.hadoop.conf.Configuration
import org.apache.hadoop.hbase.{HBaseConfiguration, HColumnDescriptor, HTableDescriptor, TableName}
import org.apache.hadoop.hbase.client._
import org.apache.hadoop.hbase.io.ImmutableBytesWritable
import org.apache.hadoop.hbase.mapreduce.TableOutputFormat
import org.apache.hadoop.hbase.protobuf.ProtobufUtil
import org.apache.hadoop.hbase.protobuf.generated.ClientProtos
import org.apache.hadoop.hbase.util.Base64
import org.apache.hadoop.mapreduce.Job


  def createHbaseOutputJob(tableName: String): Job = {
    val conf = HBaseUtils.newConf()
    conf.set(TableOutputFormat.OUTPUT_TABLE, tableName)
    val job = Job.getInstance(conf)
    job.setOutputKeyClass(classOf[ImmutableBytesWritable])
    job.setOutputValueClass(classOf[Put])
    job.setOutputFormatClass(classOf[TableOutputFormat[ImmutableBytesWritable]])
    job
  }

}

Source File: CreateSaltedTable.scala From Taxi360 with Apache License 2.0

5 votes

package com.cloudera.sa.taxi360.setup.hbase

import java.io.File

import org.apache.commons.lang.StringUtils
import org.apache.hadoop.hbase.{HBaseConfiguration, HColumnDescriptor, HTableDescriptor, TableName}
import org.apache.hadoop.hbase.client.ConnectionFactory
import org.apache.hadoop.hbase.io.compress.Compression
import org.apache.hadoop.hbase.regionserver.{BloomType, ConstantSizeRegionSplitPolicy}
import org.apache.hadoop.hbase.util.Bytes

import scala.collection.mutable


object CreateSaltedTable {
  def main(args:Array[String]): Unit = {

    if (args.length == 0) {
      println("<tableName> <columnFamily> <regionCount> <numOfSalts> <hbaseConfigFolder>")
    }
    val tableName = args(0)
    val columnFamilyName = args(1)
    val regionCount = args(2).toInt
    val numOfSalts = args(3).toInt
    val hbaseConfigFolder = args(4)

    val conf = HBaseConfiguration.create()

    conf.addResource(new File(hbaseConfigFolder + "hbase-site.xml").toURI.toURL)

    val connection = ConnectionFactory.createConnection(conf)

    val admin = connection.getAdmin

    val tableDescriptor = new HTableDescriptor(TableName.valueOf(tableName))

    val columnDescriptor = new HColumnDescriptor(columnFamilyName)

    columnDescriptor.setCompressionType(Compression.Algorithm.SNAPPY)
    columnDescriptor.setBlocksize(64 * 1024)
    columnDescriptor.setBloomFilterType(BloomType.ROW)

    tableDescriptor.addFamily(columnDescriptor)

    tableDescriptor.setMaxFileSize(Long.MaxValue)
    tableDescriptor.setRegionSplitPolicyClassName(classOf[ConstantSizeRegionSplitPolicy].getName)

    val splitKeys = new mutable.MutableList[Array[Byte]]
    for (i <- 0 to regionCount) {
      val regionSplitStr = StringUtils.leftPad((i*(numOfSalts/regionCount)).toString, 4, "0")
      splitKeys += Bytes.toBytes(regionSplitStr)
    }
    admin.createTable(tableDescriptor, splitKeys.toArray)
  }
}

org.apache.hadoop.hbase.HColumnDescriptor Scala Examples