[ 
https://issues.apache.org/jira/browse/HIVE-860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14228280#comment-14228280
 ] 

Hive QA commented on HIVE-860:
------------------------------



{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/12684139/HIVE-860.3.patch

{color:red}ERROR:{color} -1 due to 96 failed/errored test(s), 6620 tests 
executed
*Failed tests:*
{noformat}
TestCliDriver-bucketmapjoin3.q-udf_between.q-union_remove_10.q-and-12-more - 
did not produce a TEST-*.xml file
TestCliDriver-date_udf.q-transform_ppr2.q-union_date.q-and-12-more - did not 
produce a TEST-*.xml file
TestCliDriver-nonblock_op_deduplicate.q-cbo_windowing.q-avro_decimal_native.q-and-12-more
 - did not produce a TEST-*.xml file
TestHWISessionManager - did not produce a TEST-*.xml file
TestParseNegative - did not produce a TEST-*.xml file
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_acid_vectorization
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_alter_rename_partition
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_annotate_stats_table
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_archive_excludeHadoop20
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_auto_join13
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_auto_join22
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_auto_join5
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_auto_join8
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_bucketmapjoin13
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_cbo_simple_select
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_columnarserde_create_shortcut
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_correlationoptimizer8
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_create_udaf
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_dynpart_sort_optimization2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_filter_numeric
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_gby_star
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_groupby11
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_groupby4_noskew
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_groupby7_noskew
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_groupby8
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_groupby8_map
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_groupby8_noskew
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_groupby_multi_insert_common_distinct
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_groupby_sort_skew_1_23
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_innerjoin
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_input42
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_input_part0
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_input_testsequencefile
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_input_testxpath2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_join29
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_join32_lessSize
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_join33
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_join_cond_pushdown_1
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_join_cond_pushdown_2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_join_merging
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_join_nulls
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_list_bucket_dml_11
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_list_bucket_dml_14
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_literal_double
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_load_dyn_part10
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_load_dyn_part15
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_load_dyn_part3
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_load_dyn_part7
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_merge4
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_merge_dynamic_partition3
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_multi_insert_move_tasks_share_dependencies
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_partition_timestamp
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_partition_wise_fileformat3
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_ppd_udf_case
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_ppd_vc
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_ptf_general_queries
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_push_or
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_quote1
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_sample4
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_serde_opencsv
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_stats8
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_statsfs
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_subq2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_udf_array
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_udf_explode
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_udf_max
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_udf_sentences
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union21
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union25
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union30
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union34
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_view
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_update_all_partitioned
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_update_where_no_match
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_varchar_2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vector_char_2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vector_coalesce
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vector_decimal_1
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vector_decimal_aggregate
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vectorization_13
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vectorization_15
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vectorization_part
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vectorized_timestamp_funcs
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_windowing_streaming
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_mapjoin_mapjoin
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_optimize_nullscan
org.apache.hive.hcatalog.streaming.TestStreaming.testAddPartition
org.apache.hive.hcatalog.streaming.TestStreaming.testEndpointConnection
org.apache.hive.hcatalog.streaming.TestStreaming.testInterleavedTransactionBatchCommits
org.apache.hive.hcatalog.streaming.TestStreaming.testMultipleTransactionBatchCommits
org.apache.hive.hcatalog.streaming.TestStreaming.testRemainingTransactions
org.apache.hive.hcatalog.streaming.TestStreaming.testTransactionBatchAbort
org.apache.hive.hcatalog.streaming.TestStreaming.testTransactionBatchAbortAndCommit
org.apache.hive.hcatalog.streaming.TestStreaming.testTransactionBatchCommit_Delimited
org.apache.hive.hcatalog.streaming.TestStreaming.testTransactionBatchCommit_Json
org.apache.hive.hcatalog.streaming.TestStreaming.testTransactionBatchEmptyCommit
{noformat}

Test results: 
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/1931/testReport
Console output: 
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/1931/console
Test logs: 
http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-1931/

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: 96 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12684139 - PreCommit-HIVE-TRUNK-Build

> Persistent distributed cache
> ----------------------------
>
>                 Key: HIVE-860
>                 URL: https://issues.apache.org/jira/browse/HIVE-860
>             Project: Hive
>          Issue Type: Improvement
>    Affects Versions: 0.12.0
>            Reporter: Zheng Shao
>            Assignee: Ferdinand Xu
>             Fix For: 0.15.0
>
>         Attachments: HIVE-860.1.patch, HIVE-860.2.patch, HIVE-860.2.patch, 
> HIVE-860.3.patch, HIVE-860.patch, HIVE-860.patch, HIVE-860.patch, 
> HIVE-860.patch, HIVE-860.patch, HIVE-860.patch, HIVE-860.patch, 
> HIVE-860.patch, HIVE-860.patch, HIVE-860.patch, HIVE-860.patch
>
>
> DistributedCache is shared across multiple jobs, if the hdfs file name is the 
> same.
> We need to make sure Hive put the same file into the same location every time 
> and do not overwrite if the file content is the same.
> We can achieve 2 different results:
> A1. Files added with the same name, timestamp, and md5 in the same session 
> will have a single copy in distributed cache.
> A2. Filed added with the same name, timestamp, and md5 will have a single 
> copy in distributed cache.
> A2 has a bigger benefit in sharing but may raise a question on when Hive 
> should clean it up in hdfs.



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