Titian: data provenance support in spark - vldb endowment
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By m interlandi · 2015 · cited by 118 — titian in- tegrates with the spark programming interface, which is based on a resilient distributed dataset (rdd) abstrac- tion defining a set of ...
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Titian:DataProvenanceSupportinSparkMatteoInterlandiKshitijShahSaiDeepTetaliMuhammadAliGulzarSeunghyunYooMiryungKimToddMillsteinTysonCondieUniversityofCalifornia,LosAngelesABSTRACTDebuggingdataprocessinglogicinData-IntensiveScalableComputing(DISC)systemsisadifficultandtimeconsum-ingeffort.Today’sDISCsystemsofferverylittletoolingfordebuggingprograms,andasaresultprogrammersspendcountlesshourscollectingevidence(e.g.,fromlogfiles)andperformingtrialanderrordebugging.Toaidthiseffort,webuiltTitian,alibrarythatenablesdataprovenance—trackingdatathroughtransformations—inApacheSpark.DatascientistsusingtheTitianSparkextensionwillbeabletoquicklyidentifytheinputdataattherootcauseofapo-tentialbugoroutlierresult.TitianisbuiltdirectlyintotheSparkplatformandoffersdataprovenancesupportatinteractivespeeds—orders-of-magnitudefasterthanalterna-tivesolutions—whileminimallyimpactingSparkjobperfor-mance;observedoverheadsforcapturingdatalineagerarelyexceed30%abovethebaselinejobexecutiontime.1.INTRODUCTIONData-Intensive...
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