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Yan Zhou updated PIG-1145: -------------------------- Attachment: PIG-1145.patch > [zebra] merge join on large table ( 100,000.000 rows zebra table) failed > ------------------------------------------------------------------------ > > Key: PIG-1145 > URL: https://issues.apache.org/jira/browse/PIG-1145 > Project: Pig > Issue Type: Bug > Affects Versions: 0.6.0, 0.7.0 > Reporter: Jing Huang > Assignee: Yan Zhou > Fix For: 0.6.0, 0.7.0 > > Attachments: PIG-1145.patch, PIG-1145.patch > > > Pig script : > register $zebraJar; > --fs -rmr $outputDir > a1 = LOAD '$inputDir/unsorted1' USING > org.apache.hadoop.zebra.pig.TableLoader('count,seed,int1,str2'); > a2 = LOAD '$inputDir/unsorted2' USING > org.apache.hadoop.zebra.pig.TableLoader('count,seed,int1,str2'); > sort1 = order a1 by str2; > sort2 = order a2 by str2; > --store sort1 into '$outputDir/sorted11' using > org.apache.hadoop.zebra.pig.TableStorer('[count,seed,int1,str2]'); > --store sort2 into '$outputDir/sorted21' using > org.apache.hadoop.zebra.pig.TableStorer('[count,seed,int1,str2]'); > rec1 = load '$outputDir/sorted11' using > org.apache.hadoop.zebra.pig.TableLoader(); > rec2 = load '$outputDir/sorted21' using > org.apache.hadoop.zebra.pig.TableLoader(); > joina = join rec1 by str2, rec2 by str2 using "merge" ; > --E = foreach joina generate $0 as count, $1 as seed, $2 as int1, $3 as > str2; > store joina into '$outputDir/join1' using > org.apache.hadoop.zebra.pig.TableStorer(''); > ~ > > > ~ > > > ~ > ====== > stacktrace: > org.apache.pig.backend.executionengine.ExecException: ERROR 2176: Error > processing right input during merge join at > org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POMergeJoin.throwProcessingException(POMergeJoin.java:453) > at > org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POMergeJoin.getNextRightInp(POMergeJoin.java:443) > at > org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POMergeJoin.getNext(POMergeJoin.java:337) > at > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:253) > at > org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.close(PigMapBase.java:107) > at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:57) at > org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:358) at > org.apache.hadoop.mapred.MapTask.run(MapTask.java:307) at > org.apache.hadoop.mapred.Child.main(Child.java:159) Caused by: > java.io.EOFException: No key-value to read at > org.apache.hadoop.zebra.tfile.TFile$Reader$Scanner.checkKey(TFile.java:1590) > at org.apache.hadoop.zebra.tfile.TFile$Reader$Scanner.entry(TFile.java:1611) > at > org.apache.hadoop.zebra.io.ColumnGroup$Reader$TFileScanner.getKey(ColumnGroup.java:854) > at > org.apache.hadoop.zebra.io.ColumnGroup$Reader$CGScanner.getCGKey(ColumnGroup.java:1035) > at > org.apache.hadoop.zebra.io.BasicTable$Reader$BTScanner.getKey(BasicTable.java:1082) > at > org.apache.hadoop.zebra.mapred.TableRecordReader.next(TableRecordReader.java:105) > at org.apache.hadoop.zebra.pig.TableLoader.getNext(TableLoader.java:414) at > org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POMergeJoin.getNextRightInp(POMergeJoin.java:415) > ... 7 more -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.