| register $chukwaCore |
| register $chukwaPig |
| define chukwaLoader org.apache.hadoop.chukwa.ChukwaStorage(); |
| define timePartition_Hadoop_dfs_FSNamesystem_$timePeriod org.apache.hadoop.chukwa.TimePartition('$timePeriod'); |
| define seqWriter_Hadoop_dfs_FSNamesystem_$timePeriod org.apache.hadoop.chukwa.ChukwaStorage('c_timestamp','c_recordtype', 'c_application', 'c_cluster','c_source' , 'BlocksTotalCapacityRemainingGBCapacityTotalGBCapacityUsedGBFilesTotalPendingReplicationBlocksScheduledReplicationBlocksTotalLoadUnderReplicatedBlocks'); |
| A_Hadoop_dfs_FSNamesystem_$timePeriod = load '$input' using chukwaLoader as (ts: long,fields); |
| B_Hadoop_dfs_FSNamesystem_$timePeriod = FOREACH A_Hadoop_dfs_FSNamesystem_$timePeriod GENERATE timePartition_Hadoop_dfs_FSNamesystem_$timePeriod(ts) as time ,fields#'csource' as g0 , fields#'BlocksTotalCapacityRemainingGBCapacityTotalGBCapacityUsedGBFilesTotalPendingReplicationBlocksScheduledReplicationBlocksTotalLoadUnderReplicatedBlocks' as f0; |
| C_Hadoop_dfs_FSNamesystem_$timePeriod = group B_Hadoop_dfs_FSNamesystem_$timePeriod by (time,g0 ); |
| D_Hadoop_dfs_FSNamesystem_$timePeriod = FOREACH C_Hadoop_dfs_FSNamesystem_$timePeriod generate group.time as ts, '$recType', 'downsampling $timePeriod', '$cluster', group.g0 , AVG(B_Hadoop_dfs_FSNamesystem_$timePeriod.f0) as f0; |
| -- describe D_Hadoop_dfs_FSNamesystem_$timePeriod; |
| -- dump D_Hadoop_dfs_FSNamesystem_$timePeriod; |
| store D_Hadoop_dfs_FSNamesystem_$timePeriod into '$output' using seqWriter_Hadoop_dfs_FSNamesystem_$timePeriod; |
