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package mobvista.dmp.datasource.backflow
import mobvista.dmp.common.CommonSparkJob
import mobvista.dmp.util.PropertyUtil
import org.apache.commons.cli.{BasicParser, Options}
import org.apache.spark.sql.SparkSession
import org.apache.spark.sql.cassandra.DataFrameWriterWrapper
import scala.collection.mutable
/**
* @package: mobvista.dmp.datasource.rtdmp
* @author: wangjf
* @date: 2021/4/25
* @time: 18:35 下午
* @email: jinfeng.wang@mobvista.com
*/
class BackWrite extends CommonSparkJob with Serializable {
def commandOptions(): Options = {
val options = new Options()
options.addOption("keyspace", true, "keyspace")
options.addOption("table", true, "table")
options.addOption("system", true, "system")
options.addOption("region", true, "region")
options.addOption("input", true, "input")
options
}
override protected def run(args: Array[String]): Int = {
val parser = new BasicParser()
val options = commandOptions()
val commandLine = parser.parse(options, args)
val keyspace = commandLine.getOptionValue("keyspace")
val table = commandLine.getOptionValue("table")
val region = commandLine.getOptionValue("region")
val system = commandLine.getOptionValue("system")
val input = commandLine.getOptionValue("input")
val ipStr = PropertyUtil.getProperty("ip.properties", s"$system.$region.host_map")
val set = new mutable.HashSet[String]()
ipStr.split(",").foreach(s => {
set.add(s.split(":")(1))
})
val host = set.mkString(",")
val spark: SparkSession = SparkSession.builder()
.appName(s"BackWrite.$keyspace.$table.$region")
.config("spark.rdd.compress", "true")
.config("spark.io.compression.codec", "snappy")
.config("spark.sql.orc.filterPushdown", "true")
.config("spark.serializer", "org.apache.spark.serializer.KryoSerializer")
.config("spark.cassandra.connection.factory", s"mobvista.dmp.utils.cassandra.$system.${region.toUpperCase}Factory")
.config("spark.cassandra.connection.host", host)
.config("spark.cassandra.connection.port", "9042")
.config("spark.cassandra.connection.remoteConnectionsPerExecutor", "16")
.config("spark.cassandra.connection.localConnectionsPerExecutor", "8")
.config("spark.cassandra.connection.timeoutMS", 30000)
.config("spark.cassandra.query.retry.count", "10")
.config("spark.cassandra.connection.compression", "LZ4")
.config("spark.cassandra.input.consistency.level", "LOCAL_ONE")
.config("spark.cassandra.output.consistency.level", "LOCAL_ONE")
.config("spark.cassandra.input.fetch.sizeInRows", "1024")
.config("spark.cassandra.concurrent.reads", "1024")
.config("spark.cassandra.output.concurrent.writes", "16")
.config("spark.cassandra.output.batch.grouping.buffer.size", "1024")
.config("spark.cassandra.output.batch.size.bytes", "1024")
.config("spark.cassandra.connection.keepAliveMS", "60000")
.config("spark.cassandra.auth.username", "chMjFHCD5J7NrXk3gKE8")
.config("spark.cassandra.auth.password", "mAQRjmcTMtYRx6iz43FM")
.config("spark.sql.extensions", "com.datastax.spark.connector.CassandraSparkExtensions")
.config("spark.sql.catalog.casscatalog", "com.datastax.spark.connector.datasource.CassandraCatalog")
.getOrCreate()
val sc = spark.sparkContext
try {
val df = spark.read.orc(input)
df.write
.cassandraFormat(table, keyspace)
.withTTL(10)
.mode("APPEND")
.save()
} finally {
if (sc != null) {
sc.stop()
}
if (spark != null) {
spark.stop()
}
}
0
}
}
object BackWrite {
def main(args: Array[String]): Unit = {
new BackWrite().run(args)
}
}