[
https://issues.apache.org/jira/browse/PIG-2699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Julien Le Dem updated PIG-2699:
-------------------------------
Attachment: PIG-2699_d.patch
PIG-2699_d.patch minor changes.
prefix signatures with alias.
separate Test helper method
> Pig creates too many instances of Load and Store Funcs. It should be 1 in the
> front-end and 1 in the backend
> ------------------------------------------------------------------------------------------------------------
>
> Key: PIG-2699
> URL: https://issues.apache.org/jira/browse/PIG-2699
> Project: Pig
> Issue Type: Bug
> Components: internal-udfs
> Affects Versions: 0.10.0
> Reporter: Julien Le Dem
> Assignee: Julien Le Dem
> Attachments: PIG-2699.patch, PIG-2699_a.patch, PIG-2699_b.patch,
> PIG-2699_c.patch, PIG-2699_d.patch
>
>
> Attached: a patch to get it down to 3
> Here is the report of the remaining calls.
> some methods are unnecessarily called multiple times, this should be improved
> as well.
> {noformat}
> A = LOAD 'foo' USING TestLoadStoreFuncLifeCycle$Loader();
> STORE A INTO 'bar' USING TestLoadStoreFuncLifeCycle$Storer();
> report:
> 3 instances of Loader
> 20 calls to Loader
> 3 instances of Storer
> 24 calls to Storer
> all calls:
> Loader[1].<init>()
> Loader[1].relativeToAbsolutePath(foo,
> file:/Users/julien/svn/pig/trunk-LoadStoreFunc-lifecycle)
> Loader[1].setUDFContextSignature(A_1-0)
> Loader[1].getSchema(foo, org.apache.hadoop.mapreduce.Job@7ee49dcd)
> Storer[1].<init>()
> Storer[1].setStoreFuncUDFContextSignature(A_1-1)
> Storer[1].relToAbsPathForStoreLocation(bar,
> file:/Users/julien/svn/pig/trunk-LoadStoreFunc-lifecycle)
> Storer[1].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@776be68f)
> Storer[1].getOutputFormat()
> Loader[1].getStatistics(foo, org.apache.hadoop.mapreduce.Job@11e9c82e)
> Loader[1].setLocation(foo, org.apache.hadoop.mapreduce.Job@11e9c82e)
> Storer[1].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@57d840cd)
> Storer[2].<init>()
> Storer[2].setStoreFuncUDFContextSignature(A_1-1)
> Storer[2].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@76996cca)
> Storer[2].getOutputFormat()
> Loader[2].<init>()
> Loader[2].setUDFContextSignature(A_1-0)
> Loader[2].setLocation(foo, org.apache.hadoop.mapreduce.Job@317cfd38)
> Loader[2].getInputFormat()
> Storer[3].<init>()
> Storer[3].setStoreFuncUDFContextSignature(A_1-1)
> Storer[3].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@459d3b3a)
> Storer[3].getOutputFormat()
> Storer[3].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@225f1ae9)
> Loader[3].<init>()
> Loader[3].setUDFContextSignature(A_1-0)
> Loader[3].setLocation(foo, org.apache.hadoop.mapreduce.Job@6b98e8b4)
> Loader[3].getInputFormat()
> Storer[3].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@5fb11b79)
> Storer[3].getOutputFormat()
> Storer[3].prepareToWrite(org.apache.pig.builtin.mock.Storage$MockRecordWriter@49b09282)
> Loader[3].setUDFContextSignature(A_1-0)
> Loader[3].prepareToRead(org.apache.pig.builtin.mock.Storage$MockRecordReader@2c8c7d6,
> Number of splits :1...)
> Loader[3].getNext()
> Storer[3].putNext((a))
> Loader[3].getNext()
> Storer[3].putNext((b))
> Loader[3].getNext()
> Storer[3].putNext((c))
> Loader[3].getNext()
> Storer[3].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@3ebfbbe3)
> Storer[3].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@14d964af)
> Storer[1].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@644ca6b6)
> constructor calls:
> Loader[1].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.parser.LogicalPlanBuilder.buildLoadOp(LogicalPlanBuilder.java:426)
> org.apache.pig.parser.LogicalPlanGenerator.load_clause(LogicalPlanGenerator.java:3170)
> org.apache.pig.parser.LogicalPlanGenerator.op_clause(LogicalPlanGenerator.java:1293)
> org.apache.pig.parser.LogicalPlanGenerator.general_statement(LogicalPlanGenerator.java:791)
> org.apache.pig.parser.LogicalPlanGenerator.statement(LogicalPlanGenerator.java:509)
> org.apache.pig.parser.LogicalPlanGenerator.query(LogicalPlanGenerator.java:384)
> org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:175)
> org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1602)
> org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1549)
> org.apache.pig.PigServer.registerQuery(PigServer.java:534)
> org.apache.pig.PigServer.registerQuery(PigServer.java:547)
> Storer[1].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.parser.LogicalPlanBuilder.buildStoreOp(LogicalPlanBuilder.java:486)
> org.apache.pig.parser.LogicalPlanGenerator.store_clause(LogicalPlanGenerator.java:6336)
> org.apache.pig.parser.LogicalPlanGenerator.op_clause(LogicalPlanGenerator.java:1337)
> org.apache.pig.parser.LogicalPlanGenerator.general_statement(LogicalPlanGenerator.java:791)
> org.apache.pig.parser.LogicalPlanGenerator.statement(LogicalPlanGenerator.java:509)
> org.apache.pig.parser.LogicalPlanGenerator.query(LogicalPlanGenerator.java:384)
> org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:175)
> org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1602)
> org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1549)
> org.apache.pig.PigServer.registerQuery(PigServer.java:534)
> org.apache.pig.PigServer.registerQuery(PigServer.java:547)
> Storer[2].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore.getStoreFunc(POStore.java:232)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.setLocation(PigOutputFormat.java:168)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.checkOutputSpecsHelper(PigOutputFormat.java:200)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.checkOutputSpecs(PigOutputFormat.java:187)
> org.apache.pig.backend.hadoop20.PigJobControl.mainLoopAction(PigJobControl.java:157)
> org.apache.pig.backend.hadoop20.PigJobControl.run(PigJobControl.java:134)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher$1.run(MapReduceLauncher.java:258)
> Loader[2].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.getSplits(PigInputFormat.java:254)
> org.apache.pig.backend.hadoop20.PigJobControl.mainLoopAction(PigJobControl.java:157)
> org.apache.pig.backend.hadoop20.PigJobControl.run(PigJobControl.java:134)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher$1.run(MapReduceLauncher.java:258)
> Storer[3].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore.getStoreFunc(POStore.java:232)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputCommitter.getCommitters(PigOutputCommitter.java:84)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputCommitter.<init>(PigOutputCommitter.java:66)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.getOutputCommitter(PigOutputFormat.java:279)
> Loader[3].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.getLoadFunc(PigInputFormat.java:158)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.createRecordReader(PigInputFormat.java:106)
> {noformat}
> In trunk this was:
> {noformat}
> 5 instances of Loader
> 31 calls to Loader
> 6 instances of Storer
> 30 calls to Storer
> all calls:
> Loader[1].<init>()
> Loader[2].<init>()
> Loader[2].relativeToAbsolutePath(foo, file:/Users/julien/svn/pig/trunk)
> Storer[1].<init>()
> Storer[2].<init>()
> Storer[2].setStoreFuncUDFContextSignature(A_bar_org.apache.pig.TestLoadStoreFuncLifeCycle$Storer)
> Storer[2].relToAbsPathForStoreLocation(bar, file:/Users/julien/svn/pig/trunk)
> Storer[3].<init>()
> Storer[3].setStoreFuncUDFContextSignature(1-0_bar_org.apache.pig.TestLoadStoreFuncLifeCycle$Storer)
> Loader[3].<init>()
> Loader[3].setUDFContextSignature(A)
> Loader[3].getSchema(foo, org.apache.hadoop.mapreduce.Job@4c349471)
> Loader[3].getSchema(foo, org.apache.hadoop.mapreduce.Job@24c0f1ec)
> Loader[3].getSchema(foo, org.apache.hadoop.mapreduce.Job@900bac2)
> Loader[3].getSchema(foo, org.apache.hadoop.mapreduce.Job@635aed57)
> Loader[3].getSchema(foo, org.apache.hadoop.mapreduce.Job@2d7cec96)
> Loader[3].getSchema(foo, org.apache.hadoop.mapreduce.Job@4b947496)
> Storer[3].setStoreFuncUDFContextSignature(A_bar_org.apache.pig.TestLoadStoreFuncLifeCycle$Storer)
> Loader[3].getSchema(foo, org.apache.hadoop.mapreduce.Job@776be68f)
> Loader[3].getSchema(foo, org.apache.hadoop.mapreduce.Job@560c3014)
> Loader[3].getSchema(foo, org.apache.hadoop.mapreduce.Job@5773ec72)
> Storer[3].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@bb273cc)
> Storer[3].getOutputFormat()
> Loader[3].getSchema(foo, org.apache.hadoop.mapreduce.Job@45660d6)
> Loader[3].setLocation(foo, org.apache.hadoop.mapreduce.Job@d2368df)
> Loader[3].getStatistics(foo, org.apache.hadoop.mapreduce.Job@d2368df)
> Storer[4].<init>()
> Storer[4].setStoreFuncUDFContextSignature(A_bar_org.apache.pig.TestLoadStoreFuncLifeCycle$Storer)
> Storer[4].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@78ff9053)
> Storer[5].<init>()
> Storer[5].setStoreFuncUDFContextSignature(A_bar_org.apache.pig.TestLoadStoreFuncLifeCycle$Storer)
> Storer[5].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@336d8196)
> Storer[5].getOutputFormat()
> Loader[4].<init>()
> Loader[4].setUDFContextSignature(A)
> Loader[4].setLocation(foo, org.apache.hadoop.mapreduce.Job@61250ff2)
> Loader[4].getInputFormat()
> Storer[6].<init>()
> Storer[6].setStoreFuncUDFContextSignature(A_bar_org.apache.pig.TestLoadStoreFuncLifeCycle$Storer)
> Storer[6].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@604788d5)
> Storer[6].getOutputFormat()
> Storer[6].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@7f342545)
> Loader[5].<init>()
> Loader[5].setUDFContextSignature(A)
> Loader[5].setLocation(foo, org.apache.hadoop.mapreduce.Job@459d3b3a)
> Loader[5].getInputFormat()
> Storer[6].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@795e0c2b)
> Storer[6].getOutputFormat()
> Storer[6].prepareToWrite(org.apache.pig.builtin.mock.Storage$MockRecordWriter@7c34151f)
> Loader[5].setUDFContextSignature(A)
> Loader[5].prepareToRead(org.apache.pig.builtin.mock.Storage$MockRecordReader@62114b17,
> Number of splits :1...)
> Loader[5].getNext()
> Storer[6].putNext((a))
> Loader[5].getNext()
> Storer[6].putNext((b))
> Loader[5].getNext()
> Storer[6].putNext((c))
> Loader[5].getNext()
> Storer[6].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@bf47ae8)
> Storer[6].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@4bb7b407)
> Storer[4].setStoreLocation(bar, org.apache.hadoop.mapreduce.Job@3cee6ad6)
> constructor calls:
> Loader[1].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.parser.LogicalPlanBuilder.validateFuncSpec(LogicalPlanBuilder.java:791)
> org.apache.pig.parser.LogicalPlanBuilder.buildFuncSpec(LogicalPlanBuilder.java:780)
> org.apache.pig.parser.LogicalPlanGenerator.func_clause(LogicalPlanGenerator.java:4670)
> org.apache.pig.parser.LogicalPlanGenerator.load_clause(LogicalPlanGenerator.java:3117)
> org.apache.pig.parser.LogicalPlanGenerator.op_clause(LogicalPlanGenerator.java:1293)
> org.apache.pig.parser.LogicalPlanGenerator.general_statement(LogicalPlanGenerator.java:791)
> org.apache.pig.parser.LogicalPlanGenerator.statement(LogicalPlanGenerator.java:509)
> org.apache.pig.parser.LogicalPlanGenerator.query(LogicalPlanGenerator.java:384)
> org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:175)
> org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1602)
> org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1549)
> org.apache.pig.PigServer.registerQuery(PigServer.java:534)
> org.apache.pig.PigServer.registerQuery(PigServer.java:547)
> Loader[2].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.parser.LogicalPlanBuilder.getAbolutePathForLoad(LogicalPlanBuilder.java:417)
> org.apache.pig.parser.LogicalPlanBuilder.buildLoadOp(LogicalPlanBuilder.java:436)
> org.apache.pig.parser.LogicalPlanGenerator.load_clause(LogicalPlanGenerator.java:3170)
> org.apache.pig.parser.LogicalPlanGenerator.op_clause(LogicalPlanGenerator.java:1293)
> org.apache.pig.parser.LogicalPlanGenerator.general_statement(LogicalPlanGenerator.java:791)
> org.apache.pig.parser.LogicalPlanGenerator.statement(LogicalPlanGenerator.java:509)
> org.apache.pig.parser.LogicalPlanGenerator.query(LogicalPlanGenerator.java:384)
> org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:175)
> org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1602)
> org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1549)
> org.apache.pig.PigServer.registerQuery(PigServer.java:534)
> org.apache.pig.PigServer.registerQuery(PigServer.java:547)
> Storer[1].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.parser.LogicalPlanBuilder.validateFuncSpec(LogicalPlanBuilder.java:791)
> org.apache.pig.parser.LogicalPlanBuilder.buildFuncSpec(LogicalPlanBuilder.java:780)
> org.apache.pig.parser.LogicalPlanGenerator.func_clause(LogicalPlanGenerator.java:4670)
> org.apache.pig.parser.LogicalPlanGenerator.store_clause(LogicalPlanGenerator.java:6312)
> org.apache.pig.parser.LogicalPlanGenerator.op_clause(LogicalPlanGenerator.java:1337)
> org.apache.pig.parser.LogicalPlanGenerator.general_statement(LogicalPlanGenerator.java:791)
> org.apache.pig.parser.LogicalPlanGenerator.statement(LogicalPlanGenerator.java:509)
> org.apache.pig.parser.LogicalPlanGenerator.query(LogicalPlanGenerator.java:384)
> org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:175)
> org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1602)
> org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1549)
> org.apache.pig.PigServer.registerQuery(PigServer.java:534)
> org.apache.pig.PigServer.registerQuery(PigServer.java:547)
> Storer[2].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.parser.LogicalPlanBuilder.getAbolutePathForStore(LogicalPlanBuilder.java:478)
> org.apache.pig.parser.LogicalPlanBuilder.buildStoreOp(LogicalPlanBuilder.java:499)
> org.apache.pig.parser.LogicalPlanGenerator.store_clause(LogicalPlanGenerator.java:6336)
> org.apache.pig.parser.LogicalPlanGenerator.op_clause(LogicalPlanGenerator.java:1337)
> org.apache.pig.parser.LogicalPlanGenerator.general_statement(LogicalPlanGenerator.java:791)
> org.apache.pig.parser.LogicalPlanGenerator.statement(LogicalPlanGenerator.java:509)
> org.apache.pig.parser.LogicalPlanGenerator.query(LogicalPlanGenerator.java:384)
> org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:175)
> org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1602)
> org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1549)
> org.apache.pig.PigServer.registerQuery(PigServer.java:534)
> org.apache.pig.PigServer.registerQuery(PigServer.java:547)
> Storer[3].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.newplan.logical.relational.LOStore.<init>(LOStore.java:55)
> org.apache.pig.parser.LogicalPlanBuilder.buildStoreOp(LogicalPlanBuilder.java:505)
> org.apache.pig.parser.LogicalPlanGenerator.store_clause(LogicalPlanGenerator.java:6336)
> org.apache.pig.parser.LogicalPlanGenerator.op_clause(LogicalPlanGenerator.java:1337)
> org.apache.pig.parser.LogicalPlanGenerator.general_statement(LogicalPlanGenerator.java:791)
> org.apache.pig.parser.LogicalPlanGenerator.statement(LogicalPlanGenerator.java:509)
> org.apache.pig.parser.LogicalPlanGenerator.query(LogicalPlanGenerator.java:384)
> org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:175)
> org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1602)
> org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1549)
> org.apache.pig.PigServer.registerQuery(PigServer.java:534)
> org.apache.pig.PigServer.registerQuery(PigServer.java:547)
> Loader[3].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.newplan.logical.relational.LOLoad.getLoadFunc(LOLoad.java:77)
> org.apache.pig.newplan.logical.relational.LOLoad.getSchemaFromMetaData(LOLoad.java:149)
> org.apache.pig.newplan.logical.relational.LOLoad.getSchema(LOLoad.java:110)
> org.apache.pig.newplan.logical.relational.LOStore.getSchema(LOStore.java:68)
> org.apache.pig.newplan.logical.visitor.SchemaAliasVisitor.validate(SchemaAliasVisitor.java:60)
> org.apache.pig.newplan.logical.visitor.SchemaAliasVisitor.visit(SchemaAliasVisitor.java:84)
> org.apache.pig.newplan.logical.relational.LOStore.accept(LOStore.java:77)
> org.apache.pig.newplan.DependencyOrderWalker.walk(DependencyOrderWalker.java:75)
> org.apache.pig.newplan.PlanVisitor.visit(PlanVisitor.java:50)
> org.apache.pig.PigServer$Graph.compile(PigServer.java:1630)
> org.apache.pig.PigServer$Graph.compile(PigServer.java:1624)
> org.apache.pig.PigServer$Graph.access$2(PigServer.java:1623)
> org.apache.pig.PigServer.execute(PigServer.java:1246)
> org.apache.pig.PigServer.access$0(PigServer.java:1237)
> org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1556)
> Storer[4].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore.getStoreFunc(POStore.java:232)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.getJob(JobControlCompiler.java:499)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.compile(JobControlCompiler.java:281)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:178)
> org.apache.pig.PigServer.launchPlan(PigServer.java:1279)
> org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1264)
> org.apache.pig.PigServer.execute(PigServer.java:1254)
> org.apache.pig.PigServer.access$0(PigServer.java:1237)
> org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1556)
> org.apache.pig.PigServer.registerQuery(PigServer.java:534)
> org.apache.pig.PigServer.registerQuery(PigServer.java:547)
> Storer[5].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore.getStoreFunc(POStore.java:232)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.setLocation(PigOutputFormat.java:168)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.checkOutputSpecsHelper(PigOutputFormat.java:200)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.checkOutputSpecs(PigOutputFormat.java:187)
> org.apache.pig.backend.hadoop20.PigJobControl.mainLoopAction(PigJobControl.java:157)
> org.apache.pig.backend.hadoop20.PigJobControl.run(PigJobControl.java:134)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher$1.run(MapReduceLauncher.java:258)
> Loader[4].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.getSplits(PigInputFormat.java:254)
> org.apache.pig.backend.hadoop20.PigJobControl.mainLoopAction(PigJobControl.java:157)
> org.apache.pig.backend.hadoop20.PigJobControl.run(PigJobControl.java:134)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher$1.run(MapReduceLauncher.java:258)
> Storer[6].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore.getStoreFunc(POStore.java:232)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputCommitter.getCommitters(PigOutputCommitter.java:84)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputCommitter.<init>(PigOutputCommitter.java:66)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.getOutputCommitter(PigOutputFormat.java:279)
> Loader[5].<init> called by
> org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:565)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.getLoadFunc(PigInputFormat.java:158)
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.createRecordReader(PigInputFormat.java:106)
> {noformat}
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