Commit d261a004 authored by 张彦钊's avatar 张彦钊

增加rdd持久化和分区

parent f3a3b672
......@@ -57,8 +57,8 @@ object Data2FFM {
s"""
|select device_id,y,z,stat_date,ucity_id,cid_id,clevel1_id,ccity_name from esmm_train_data
""".stripMargin
).na.drop()
val column_list = esmm_data.columns
).repartition(200).na.drop()
val column_list = esmm_data.columns.filter(x => x != "y" && x != "z")
val max_stat_date = sc.sql(
s"""
|select max(stat_date) from esmm_train_data
......@@ -70,19 +70,18 @@ object Data2FFM {
println(max_stat_date_str)
println(column_list.slice(0,2).toList)
esmm_data.persist()
val column_number = scala.collection.mutable.Map[String,Array[String]]()
for (i <- column_list){
column_number(i) = esmm_data.select(i).distinct().collect().map(x => x(0).toString)
column_number(i) = esmm_data.select(i).collect().map(x => x(0).toString).distinct
}
esmm_data.unpersist()
println("dict")
val rdd = esmm_data.rdd.repartition(200)
val rdd = esmm_data.rdd
.map(x => (x(0).toString,x(1).toString,x(2).toString,x(3).toString,
x(4).toString,x(5).toString,x(6).toString, x(7).toString))
rdd.persist()
import sc.implicits._
val train = rdd.filter(x => x._4 != max_stat_date_str)
.map(x => (x._1,x._2,x._3,column_number("device_id").indexOf(x._1),
......@@ -109,6 +108,7 @@ object Data2FFM {
.map(x => (x._1,x._2+","+x._3+","+x._4+","+x._5,x._6,x._7,x._8)).toDF("number","data","device_id","city_id","cid")
println("test")
test.show(6)
rdd.unpersist()
GmeiConfig.writeToJDBCTable(jdbcuri, test, "esmm_data2ffm_cv", SaveMode.Overwrite)
......@@ -117,7 +117,7 @@ object Data2FFM {
|select device_id,y,z,stat_date,ucity_id,cid_id,clevel1_id,ccity_name
|from esmm_pre_data
""".stripMargin
).na.drop()
).repartition(200).na.drop()
val esmm_pre_cids = esmm_pre_data.select("cid_id").distinct().collect().map(
s => s(0).toString
......@@ -125,19 +125,16 @@ object Data2FFM {
val esmm_pre_city = esmm_pre_data.select("ucity_id").distinct().collect().map(
s => s(0).toString
)
val esmm_pre_device = esmm_pre_data.select("device_id").distinct().collect().map(
s => s(0).toString
)
val esmm_join_cids = esmm_pre_cids.intersect(column_number("cid_id"))
val esmm_join_city = esmm_pre_city.intersect(column_number("ucity_id"))
val esmm_join_device = esmm_pre_device.intersect(column_number("device_id"))
val rdd_pre = esmm_pre_data.rdd.repartition(200)
.map(x => (x(0).toString,x(1).toString,x(2).toString,x(3).toString,
x(4).toString,x(5).toString,x(6).toString,
x(7).toString)).filter(x => esmm_join_cids.indexOf(x._6) != -1)
.filter(x => esmm_join_city.indexOf(x._5) != -1)
.filter(x => esmm_join_device.indexOf(x._1) != -1)
val pre = rdd_pre.map(x => (x._1,x._2,x._3,column_number("device_id").indexOf(x._1),
column_number("stat_date").indexOf(x._4), column_number("ucity_id").indexOf(x._5),
column_number("cid_id").indexOf(x._6), column_number("clevel1_id").indexOf(x._7),
......
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