| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| register $chukwaCore |
| register $chukwaPig |
| define chukwaLoader org.apache.hadoop.chukwa.pig.ChukwaLoader(); |
| define timePartition_Df_$timePeriod org.apache.hadoop.chukwa.TimePartition('$timePeriod'); |
| define seqWriter_Df_$timePeriod org.apache.hadoop.chukwa.pig.ChukwaStorer('c_timestamp','c_recordtype', 'c_application', 'c_cluster','c_source' ,'Mounted on' , 'Available', 'Use%', 'Used'); |
| A_Df_$timePeriod = load '$input' using chukwaLoader as (ts: long,fields); |
| B_Df_$timePeriod = FOREACH A_Df_$timePeriod GENERATE timePartition_Df_$timePeriod(ts) as time ,fields#'csource' as g0 ,fields#'Mounted on' as g1 , fields#'Available' as f0, fields#'Use%' as f1, fields#'Used' as f2; |
| C_Df_$timePeriod = group B_Df_$timePeriod by (time,g0 ,g1 ); |
| D_Df_$timePeriod = FOREACH C_Df_$timePeriod generate group.time as ts, '$recType', 'downsampling $timePeriod', '$cluster', group.g0 , group.g1 , AVG(B_Df_$timePeriod.f0) as f0, AVG(B_Df_$timePeriod.f1) as f1, AVG(B_Df_$timePeriod.f2) as f2; |
| -- describe D_Df_$timePeriod; |
| -- dump D_Df_$timePeriod; |
| store D_Df_$timePeriod into '$output' using seqWriter_Df_$timePeriod; |
