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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15076) Improve scalability of LDAP authentication provider group filter
Date Thu, 08 Dec 2016 09:30:58 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15731664#comment-15731664
] 

Hive QA commented on HIVE-15076:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12842254/HIVE-15076.3.patch

{color:green}SUCCESS:{color} +1 due to 6 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 9 failed/errored test(s), 10805 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample2] (batchId=5)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample4] (batchId=15)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample6] (batchId=61)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample7] (batchId=60)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[sample9] (batchId=38)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[orc_ppd_basic] (batchId=132)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[transform_ppr2] (batchId=134)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[stats_based_fetch_decision]
(batchId=150)
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[explainanalyze_2] (batchId=92)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/2483/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/2483/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-2483/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
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: 9 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12842254 - PreCommit-HIVE-Build

> Improve scalability of LDAP authentication provider group filter
> ----------------------------------------------------------------
>
>                 Key: HIVE-15076
>                 URL: https://issues.apache.org/jira/browse/HIVE-15076
>             Project: Hive
>          Issue Type: Improvement
>          Components: Authentication
>    Affects Versions: 2.1.0
>            Reporter: Illya Yalovyy
>            Assignee: Illya Yalovyy
>         Attachments: HIVE-15076.1.patch, HIVE-15076.2.patch, HIVE-15076.3.patch
>
>
> Current implementation uses following algorithm:
> #   For a given user find all groups that user is a member of. (A list of LDAP groups
is constructed as a result of that request)
> #  Match this list of groups with provided group filter.
>  
> Time/Memory complexity of this approach is O(N) on client side, where N – is a number
of groups the user has membership in. On a large directory (800+ groups per user) we can observe
up to 2x performance degradation and failures because of size of LDAP response (LDAP: error
code 4 - Sizelimit Exceeded).
>  
> Some Directory Services (Microsoft Active Directory for instance) provide a virtual attribute
for User Object that contains a list of groups that user belongs to. This attribute can be
used to quickly determine whether this user passes or fails the group filter.   



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