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Hive QA commented on HIVE-7121: ------------------------------- {color:red}Overall{color}: -1 at least one tests failed Here are the results of testing the latest attachment: https://issues.apache.org/jira/secure/attachment/12646646/HIVE-7121.1.patch {color:red}ERROR:{color} -1 due to 15 failed/errored test(s), 5462 tests executed *Failed tests:* {noformat} org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_decimal1 org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_bucket5 org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_bucket_num_reducers org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_infer_bucket_sort_bucketed_table org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_infer_bucket_sort_dyn_part org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_infer_bucket_sort_num_buckets org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_quotedid_smb org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_root_dir_external_table org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_truncate_column_buckets org.apache.hadoop.hive.metastore.TestRemoteHiveMetaStore.testDropTable org.apache.hadoop.hive.metastore.TestRemoteHiveMetaStore.testListPartitions org.apache.hadoop.hive.metastore.TestRemoteHiveMetaStore.testNameMethods org.apache.hive.hcatalog.pig.TestOrcHCatPigStorer.testWriteDecimal org.apache.hive.hcatalog.pig.TestOrcHCatPigStorer.testWriteDecimalX org.apache.hive.hcatalog.pig.TestOrcHCatPigStorer.testWriteDecimalXY {noformat} Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-Build/288/testReport Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-Build/288/console Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-Build-288/ Messages: {noformat} Executing org.apache.hive.ptest.execution.PrepPhase Executing org.apache.hive.ptest.execution.ExecutionPhase Executing org.apache.hive.ptest.execution.ReportingPhase Tests exited with: TestsFailedException: 15 tests failed {noformat} This message is automatically generated. ATTACHMENT ID: 12646646 > Use murmur hash to distribute HiveKey > ------------------------------------- > > Key: HIVE-7121 > URL: https://issues.apache.org/jira/browse/HIVE-7121 > Project: Hive > Issue Type: Bug > Components: Query Processor > Reporter: Gopal V > Assignee: Gopal V > Attachments: HIVE-7121.1.patch, HIVE-7121.WIP.patch > > > The current hashCode implementation produces poor parallelism when dealing > with single integers or doubles. > And for partitioned inserts into a 1 bucket table, there is a significant > hotspot on Reducer #31. > Removing the magic number 31 and using a more normal hash algorithm would > help fix these hotspots. -- This message was sent by Atlassian JIRA (v6.2#6252)