[ 
https://issues.apache.org/jira/browse/HIVE-860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14231102#comment-14231102
 ] 

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/12684514/HIVE-860.4.patch

{color:red}ERROR:{color} -1 due to 63 failed/errored test(s), 6636 tests 
executed
*Failed tests:*
{noformat}
TestCliDriver-authorization_create_table_owner_privs.q-create_func1.q-partition_wise_fileformat.q-and-12-more
 - did not produce a TEST-*.xml file
TestCliDriver-udf_second.q-bucketcontext_5.q-leadlag_queries.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_authorization_1
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_auto_sortmerge_join_8
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_cbo_gby
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_cbo_join
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_cbo_semijoin
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_cbo_windowing
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_cluster
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_correlationoptimizer5
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_create_or_replace_view
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_create_view
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_ctas_date
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_distinct_stats
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_dynamic_partition_skip_default
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_dynpart_sort_opt_vectorization
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_explain_dependency
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_explain_logical
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_index_bitmap_auto_partitioned
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_index_bitmap_rc
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_index_compact
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_infer_bucket_sort
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_input41
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_input8
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_input_part8
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_insert_acid_dynamic_partition
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_join26
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_list_bucket_dml_6
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_load_dyn_part13
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_load_dyn_part14
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_load_dyn_part2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_multi_insert_move_tasks_share_dependencies
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_nonmr_fetch
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_nullformatCTAS
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_orc_merge7
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_orc_ppd_date
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_partition_timestamp
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_partition_wise_fileformat16
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_ppd_constant_expr
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_reduce_deduplicate_extended
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_sample10
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_sample_islocalmode_hook
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_sort_merge_join_desc_8
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_statsfs
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_temp_table
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_touch
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union33
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_20
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_update_where_non_partitioned
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_update_where_partitioned
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vector_decimal_aggregate
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vector_elt
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vector_mapjoin_reduce
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vector_varchar_simple
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vectorization_15
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vectorized_mapjoin
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_windowing_rank
org.apache.hadoop.hive.cli.TestCompareCliDriver.testCompareCliDriver_vectorized_math_funcs
org.apache.hadoop.hive.cli.TestHBaseCliDriver.testCliDriver_hbase_pushdown
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_mapjoin_mapjoin
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_stats_partialscan_autogether
{noformat}

Test results: 
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/1943/testReport
Console output: 
http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/1943/console
Test logs: 
http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-1943/

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: 63 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12684514 - 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-860.4.patch, HIVE-860.4.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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