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我目前正在創建一個工作流程,通過sqoop自動導入數據。我試圖做的是驗證通過此過程導入的行數(記錄)是否準確; sqoop提供的validate參數在這裏不起作用,因爲sqoop作業沒有導入單個表。Shell腳本通過Oozie
我創建了一個名爲「驗證」的操作,它將調用並執行一個名爲驗證的shell腳本。該驗證腳本執行以下操作步驟:
- 計數和使用sqoop評估和自由形式的查詢
- 串聯的存儲從DB源的行數和運行Word在HDFS內的不同分區數子目錄;這是一個循環功能
- 它會刪除具有零線
- 然後它會評估兩項罪名,如果失敗強制退出代碼,並返回任何分區,如果真
然而,當我運行它,我得到了下面的錯誤,這是不是給我的資料,我需要:
2014-09-22 19:03:59,156 INFO ShellActionExecutor:539 - USER[v523043] GROUP[-] TOKEN[-] APP[voipImportToHDFS] JOB[0000359-140905180027053-oozie-oozi-W] ACTION[[email protected]] action completed, external ID [null]
2014-09-22 19:03:59,159 WARN ShellActionExecutor:542 - USER[v523043] GROUP[-] TOKEN[-] APP[voipImportToHDFS] JOB[0000359-140905180027053-oozie-oozi-W] ACTION[[email protected]] Launcher ERROR, reason: Main class [org.apache.oozie.action.hadoop.ShellMain], exit code [1]
2014-09-22 19:03:59,177 INFO ActionEndXCommand:539 - USER[v523043] GROUP[-] TOKEN[-] APP[voipImportToHDFS] JOB[0000359-140905180027053-oozie-oozi-W] ACTION[[email protected]] end executor for wf action 0000359-140905180027053-oozie-oozi-W with wf job 0000359-140905180027053-oozie-oozi-W
2014-09-22 19:03:59,198 INFO ActionEndXCommand:539 - USER[v523043] GROUP[-] TOKEN[-] APP[voipImportToHDFS] JOB[0000359-140905180027053-oozie-oozi-W] ACTION[[email protected]] ERROR is considered as FAILED for SLA
我的驗證腳本使用命令:
- sqoop EVAL ...
- 列表項
Hadoop的FS - 貓...
是否有我在這裏可以俯瞰兼容性問題?我需要配置不同的東西嗎?
我的驗證腳本(在建版):
for table in ${tables[*]}
do
#Get the number of records from DB Exadata
verifiedCount=$(sqoop eval --connect $3 --query "SELECT COUNT(*) FROM $4.${tables[table]} WHERE INTRVL_DT = To_Date('$5')" | awk '/([0-9]+)/{print $2}')
#echo "Total Number of Records " $verifiedCount
#Count the number of rows imported
totalRows=0
for ((i=0;i<$mapJobs;i++)) {
count[$i]=$(hadoop fs -cat $6$7/${tables[table]}/$8/$9/$10/part-m-0000$i | wc -l)
totalRows=$((totalRows + ${count[$i]}))
#if value has 0 lines, remove the file from edgenode to limit overhead
if [ ${count[$i]} -eq "0" ]
then
hadoop fs -rmr $6$7/${tables[table]}/$8/$9/$10/part-m-0000$i
echo "Removing..."
fi
}
#echo values
if [ "$totalRows" -eq "$verifiedCount" ]
then
echo "evaluation=true"
evaluation=true
else
echo "evaluation=false"
evaluation=false
exit 40
fi
done