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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-9658) Reduce parquet memory usage by bypassing java primitive objects on ETypeConverter
Date Fri, 22 May 2015 00:28:17 GMT

    [ https://issues.apache.org/jira/browse/HIVE-9658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14555350#comment-14555350
] 

Hive QA commented on HIVE-9658:
-------------------------------



{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/12734600/HIVE-9658.6.patch

{color:red}ERROR:{color} -1 due to 56 failed/errored test(s), 8965 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_array_null_element
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_array_of_multi_field_struct
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_array_of_optional_elements
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_array_of_required_elements
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_array_of_single_field_struct
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_array_of_structs
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_array_of_unannotated_groups
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_array_of_unannotated_primitives
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_avro_array_of_primitives
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_avro_array_of_single_field_struct
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_create
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_decimal1
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_join
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_map_null
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_map_of_arrays_of_ints
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_map_of_maps
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_nested_complex
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_read_backward_compatible_files
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_schema_evolution
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_thrift_array_of_primitives
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_thrift_array_of_single_field_struct
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_parquet_types
org.apache.hadoop.hive.cli.TestEncryptedHDFSCliDriver.testCliDriver_encryption_insert_partition_static
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_parquet_join
org.apache.hadoop.hive.ql.io.parquet.TestArrayCompatibility.testAmbiguousSingleFieldGroupInList
org.apache.hadoop.hive.ql.io.parquet.TestArrayCompatibility.testAvroPrimitiveInList
org.apache.hadoop.hive.ql.io.parquet.TestArrayCompatibility.testAvroSingleFieldGroupInList
org.apache.hadoop.hive.ql.io.parquet.TestArrayCompatibility.testHiveRequiredGroupInList
org.apache.hadoop.hive.ql.io.parquet.TestArrayCompatibility.testMultiFieldGroupInList
org.apache.hadoop.hive.ql.io.parquet.TestArrayCompatibility.testNewOptionalGroupInList
org.apache.hadoop.hive.ql.io.parquet.TestArrayCompatibility.testNewRequiredGroupInList
org.apache.hadoop.hive.ql.io.parquet.TestArrayCompatibility.testThriftPrimitiveInList
org.apache.hadoop.hive.ql.io.parquet.TestArrayCompatibility.testThriftSingleFieldGroupInList
org.apache.hadoop.hive.ql.io.parquet.TestArrayCompatibility.testUnannotatedListOfGroups
org.apache.hadoop.hive.ql.io.parquet.TestDataWritableWriter.testSimpleType
org.apache.hadoop.hive.ql.io.parquet.TestMapStructures.testDoubleMapWithStructValue
org.apache.hadoop.hive.ql.io.parquet.TestMapStructures.testMapWithComplexKey
org.apache.hadoop.hive.ql.io.parquet.TestMapStructures.testNestedMap
org.apache.hadoop.hive.ql.io.parquet.TestMapStructures.testStringMapOfOptionalArray
org.apache.hadoop.hive.ql.io.parquet.TestMapStructures.testStringMapOfOptionalIntArray
org.apache.hadoop.hive.ql.io.parquet.TestMapStructures.testStringMapOptionalPrimitive
org.apache.hadoop.hive.ql.io.parquet.TestMapStructures.testStringMapRequiredPrimitive
org.apache.hadoop.hive.ql.io.parquet.TestParquetSerDe.testParquetHiveSerDe
org.apache.hadoop.hive.ql.io.parquet.serde.TestAbstractParquetMapInspector.testEmptyContainer
org.apache.hadoop.hive.ql.io.parquet.serde.TestAbstractParquetMapInspector.testNullContainer
org.apache.hadoop.hive.ql.io.parquet.serde.TestAbstractParquetMapInspector.testRegularMap
org.apache.hadoop.hive.ql.io.parquet.serde.TestDeepParquetHiveMapInspector.testEmptyContainer
org.apache.hadoop.hive.ql.io.parquet.serde.TestDeepParquetHiveMapInspector.testNullContainer
org.apache.hadoop.hive.ql.io.parquet.serde.TestDeepParquetHiveMapInspector.testRegularMap
org.apache.hadoop.hive.ql.io.parquet.serde.TestParquetHiveArrayInspector.testEmptyContainer
org.apache.hadoop.hive.ql.io.parquet.serde.TestParquetHiveArrayInspector.testNullContainer
org.apache.hadoop.hive.ql.io.parquet.serde.TestParquetHiveArrayInspector.testRegularList
org.apache.hadoop.hive.ql.io.parquet.serde.TestStandardParquetHiveMapInspector.testEmptyContainer
org.apache.hadoop.hive.ql.io.parquet.serde.TestStandardParquetHiveMapInspector.testNullContainer
org.apache.hadoop.hive.ql.io.parquet.serde.TestStandardParquetHiveMapInspector.testRegularMap
org.apache.hive.hcatalog.hbase.TestPigHBaseStorageHandler.org.apache.hive.hcatalog.hbase.TestPigHBaseStorageHandler
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/3992/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/3992/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-3992/

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: 56 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12734600 - PreCommit-HIVE-TRUNK-Build

> Reduce parquet memory usage by bypassing java primitive objects on ETypeConverter
> ---------------------------------------------------------------------------------
>
>                 Key: HIVE-9658
>                 URL: https://issues.apache.org/jira/browse/HIVE-9658
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Sergio Peña
>            Assignee: Sergio Peña
>         Attachments: HIVE-9658.1.patch, HIVE-9658.2.patch, HIVE-9658.3.patch, HIVE-9658.4.patch,
HIVE-9658.5.patch, HIVE-9658.6.patch
>
>
> The ETypeConverter class passes Writable objects to the collection converters in order
to be read later by the map/reduce functions. These objects are all wrapped in a unique ArrayWritable
object.
> We can save some memory by returning the java primitive objects instead in order to prevent
memory allocation. The only writable object needed by map/reduce is ArrayWritable. If we create
another writable class where to store primitive objects (Object), then we can stop using all
primitive wirtables.



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