实时同步到Hbase的优化-1

最近没有管测试环境的

def putMapData(tableName: String , columnFamily:String, key:String  , mapData:Map[String , String]) = {

val startTime = System.currentTimeMillis()

val table: Table = Init(tableName , columnFamily)
val endTime = System.currentTimeMillis()
Logger.getLogger("处理事务").info(s"插入的时间:${(endTime - startTime)}")
try{
//TODO rowKeyWithMD5Prefix

val rowkey = HbaseTools.rowKeyByMD5(key)

val put: Put = new Put(rowkey)
if(mapData.size > 0){
for((k , v) <- mapData){
put.addColumn(Bytes.toBytes(columnFamily) ,Bytes.toBytes(k.toString) , Bytes.toBytes(v.toString))
}
}
table.put(put)

}catch{
case e:Exception => e.printStackTrace()
}finally {
table.close()
}

}
 /**
    * @return 构建表的连接
    * */
  def Init(tableName: String , columnFamily:String):Table = {
    val hTableDescriptor = new HTableDescriptor(TableName.valueOf(tableName))
    val hColumnDescriptor = new HColumnDescriptor(columnFamily)
    hTableDescriptor.addFamily(hColumnDescriptor)
    if(!admin.tableExists(TableName.valueOf(tableName))){
//      admin.createTable(hTableDescriptor)
      createHTable(conn , tableName , 10 , Array(columnFamily))


    }
    conn.getTable(TableName.valueOf(tableName))
  }

发现一条数据过来,会进行一次init,就是判断这个表是不是存在的,如果不存在那么创建表,但是这个过程要50~70ms时间,海量数据下来,处理是非常慢的

也就是说:这块儿代码及其耗费时间

val hTableDescriptor = new HTableDescriptor(TableName.valueOf(tableName))
    val hColumnDescriptor = new HColumnDescriptor(columnFamily)
    hTableDescriptor.addFamily(hColumnDescriptor)
    if(!admin.tableExists(TableName.valueOf(tableName))){
      createHTable(conn , tableName , 10 , Array(columnFamily))


    }

所以,尽量在实时处理时候,不要走这些从程序;

因此,将上面的代码提升带object的成员变量处:

private val config: Configuration = HBaseConfiguration.create()
  config.set("hbase.zookeeper.quorum" , GlobalConfigUtils.hbaseQuorem)
  config.set("hbase.master" , GlobalConfigUtils.hbaseMaster)
  config.set("hbase.zookeeper.property.clientPort" , GlobalConfigUtils.clientPort)
  config.set("hbase.rpc.timeout" , GlobalConfigUtils.rpcTimeout)
  config.set("hbase.client.operator.timeout" , GlobalConfigUtils.operatorTimeout)
  config.set("hbase.client.scanner.timeout.period" , GlobalConfigUtils.scannTimeout)
  private val conn: Connection = ConnectionFactory.createConnection(config)
  private val admin: Admin = conn.getAdmin
  val atomic = new AtomicInteger(0)
  var resultAtomic = 0
  val hTableDescriptor = new HTableDescriptor(TableName.valueOf(GlobalConfigUtils.tableOrderInfo))
  val hColumnDescriptor = new HColumnDescriptor(GlobalConfigUtils.tableColumnFamily)
  hTableDescriptor.addFamily(hColumnDescriptor)
  if(!admin.tableExists(TableName.valueOf(GlobalConfigUtils.tableOrderInfo))){
    createHTable(conn , GlobalConfigUtils.tableOrderInfo , 10 , Array(GlobalConfigUtils.tableColumnFamily))
  }private val config: Configuration = HBaseConfiguration.create()
  config.set("hbase.zookeeper.quorum" , GlobalConfigUtils.hbaseQuorem)
  config.set("hbase.master" , GlobalConfigUtils.hbaseMaster)
  config.set("hbase.zookeeper.property.clientPort" , GlobalConfigUtils.clientPort)
  config.set("hbase.rpc.timeout" , GlobalConfigUtils.rpcTimeout)
  config.set("hbase.client.operator.timeout" , GlobalConfigUtils.operatorTimeout)
  config.set("hbase.client.scanner.timeout.period" , GlobalConfigUtils.scannTimeout)
  private val conn: Connection = ConnectionFactory.createConnection(config)
  private val admin: Admin = conn.getAdmin
  val atomic = new AtomicInteger(0)
  var resultAtomic = 0
  val hTableDescriptor = new HTableDescriptor(TableName.valueOf(GlobalConfigUtils.tableOrderInfo))
  val hColumnDescriptor = new HColumnDescriptor(GlobalConfigUtils.tableColumnFamily)
  hTableDescriptor.addFamily(hColumnDescriptor)
  if(!admin.tableExists(TableName.valueOf(GlobalConfigUtils.tableOrderInfo))){
    createHTable(conn , GlobalConfigUtils.tableOrderInfo , 10 , Array(GlobalConfigUtils.tableColumnFamily))
  }

然后我在提交代码。发现:

以前的2000条数据插入时间大概需要140000ms的时间

现在处理的时间:

速度提升了大概140000 /10 倍

猜你喜欢

转载自www.cnblogs.com/niutao/p/10785831.html
今日推荐