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https://issues.apache.org/jira/browse/HIVE-18079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16279777#comment-16279777
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Hive QA commented on HIVE-18079:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12900749/HIVE-18079.4.patch
{color:green}SUCCESS:{color} +1 due to 2 test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 13 failed/errored test(s), 11537 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestBlobstoreCliDriver.testCliDriver[insert_into_dynamic_partitions]
(batchId=250)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[dynamic_semijoin_user_level]
(batchId=150)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[explainuser_2]
(batchId=150)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[llapdecider]
(batchId=147)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[explainanalyze_2]
(batchId=166)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[hybridgrace_hashjoin_2]
(batchId=157)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[insert_values_orig_table_use_metadata]
(batchId=165)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[mergejoin]
(batchId=165)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[semijoin_hint]
(batchId=157)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[sysdb]
(batchId=160)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[tez_smb_main]
(batchId=157)
org.apache.hadoop.hive.ql.parse.TestReplicationScenarios.testConstraints
(batchId=227)
org.apache.hive.jdbc.TestJdbcDriver2.testSelectExecAsync2 (batchId=235)
{noformat}
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/8121/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/8121/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-8121/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 13 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12900749 - PreCommit-HIVE-Build
> Statistics: Allow HyperLogLog to be merged to the lowest-common-denominator
> bit-size
> ------------------------------------------------------------------------------------
>
> Key: HIVE-18079
> URL: https://issues.apache.org/jira/browse/HIVE-18079
> Project: Hive
> Issue Type: Improvement
> Components: Standalone Metastore, Statistics
> Affects Versions: 3.0.0
> Reporter: Gopal V
> Assignee: Gopal V
> Attachments: HIVE-18079.1.patch, HIVE-18079.2.patch,
> HIVE-18079.4.patch
>
>
> HyperLogLog can merge a 14 bit HLL into a 10 bit HLL bitset, because of its
> mathematical hash distribution & construction.
> Allow the squashing of a 14 bit HLL -> 10 bit HLL without needing a second
> scan over the data-set.
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