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https://issues.apache.org/jira/browse/HIVE-21015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16712957#comment-16712957
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Peter Vary commented on HIVE-21015:
-----------------------------------
+1
> HCatLoader can't provide statistics for tables no in default DB
> ---------------------------------------------------------------
>
> Key: HIVE-21015
> URL: https://issues.apache.org/jira/browse/HIVE-21015
> Project: Hive
> Issue Type: Bug
> Reporter: Adam Szita
> Assignee: Adam Szita
> Priority: Major
> Attachments: HIVE-21015.0.patch, HIVE-21015.1.patch,
> HIVE-21015.2.patch, HIVE-21015.3.patch
>
>
> This is due to a former change (HIVE-20330) that does not take database into
> consideration when retrieving the proper InputJobInfo for the loader.
> Found during testing:
> {code:java}
> 07:52:56 2018-12-05 07:52:16,599 [main] WARN
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.InputSizeReducerEstimator
> - Couldn't get statistics from LoadFunc:
> org.apache.hive.hcatalog.pig.HCatLoader@492fa72a
> 07:52:56 java.io.IOException: java.io.IOException: Could not calculate input
> size for location (table) tpcds_3000_decimal_parquet.date_dim
> 07:52:56 at
> org.apache.hive.hcatalog.pig.HCatLoader.getStatistics(HCatLoader.java:281)
> 07:52:56 at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.InputSizeReducerEstimator.getInputSizeFromLoader(InputSizeReducerEstimator.java:171)
> 07:52:56 at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.InputSizeReducerEstimator.getTotalInputFileSize(InputSizeReducerEstimator.java:118)
> 07:52:56 at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.InputSizeReducerEstimator.getTotalInputFileSize(InputSizeReducerEstimator.java:97)
> 07:52:56 at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.InputSizeReducerEstimator.estimateNumberOfReducers(InputSizeReducerEstimator.java:80)
> 07:52:56 at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.estimateNumberOfReducers(JobControlCompiler.java:1148)
> 07:52:56 at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.calculateRuntimeReducers(JobControlCompiler.java:1115)
> 07:52:56 at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.adjustNumReducers(JobControlCompiler.java:1063)
> 07:52:56 at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.getJob(JobControlCompiler.java:564)
> 07:52:56 at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.compile(JobControlCompiler.java:333)
> 07:52:56 at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:221)
> 07:52:56 at
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.launchPig(HExecutionEngine.java:293)
> 07:52:56 at org.apache.pig.PigServer.launchPlan(PigServer.java:1475)
> 07:52:56 at
> org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1460)
> 07:52:56 at org.apache.pig.PigServer.storeEx(PigServer.java:1119)
> 07:52:56 at org.apache.pig.PigServer.store(PigServer.java:1082)
> 07:52:56 at org.apache.pig.PigServer.openIterator(PigServer.java:995)
> 07:52:56 at
> org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:782)
> 07:52:56 at
> org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:383)
> 07:52:56 at
> org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:230)
> 07:52:56 at
> org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:205)
> 07:52:56 at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:81)
> 07:52:56 at org.apache.pig.Main.run(Main.java:630)
> 07:52:56 at org.apache.pig.Main.main(Main.java:175)
> 07:52:56 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 07:52:56 at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 07:52:56 at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 07:52:56 at java.lang.reflect.Method.invoke(Method.java:498)
> 07:52:56 at org.apache.hadoop.util.RunJar.run(RunJar.java:313)
> 07:52:56 at org.apache.hadoop.util.RunJar.main(RunJar.java:227)
> 07:52:56 Caused by: java.io.IOException: Could not calculate input size for
> location (table) tpcds_3000_decimal_parquet.date_dim
> 07:52:56 at
> org.apache.hive.hcatalog.pig.HCatLoader.getStatistics(HCatLoader.java:276)
> 07:52:56 ... 29 more{code}
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