[
https://issues.apache.org/jira/browse/AMBARI-21280?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Pravin Dsilva updated AMBARI-21280:
---
Labels: ppc64le (was: )
> TestOSCheck.TestOSCheck python-test fails for ppc64le
>
[
https://issues.apache.org/jira/browse/AMBARI-21259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Mugdha Varadkar updated AMBARI-21259:
-
Resolution: Fixed
Status: Resolved (was: Patch Available)
Committed to
[
https://issues.apache.org/jira/browse/AMBARI-21190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Mugdha Varadkar updated AMBARI-21190:
-
Resolution: Fixed
Status: Resolved (was: Patch Available)
Committed to
[
https://issues.apache.org/jira/browse/AMBARI-21276?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
JaySenSharma resolved AMBARI-21276.
---
Resolution: Not A Bug
> Amabri html forms should use post.
>
[
https://issues.apache.org/jira/browse/AMBARI-21276?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
JaySenSharma updated AMBARI-21276:
--
Status: Open (was: Patch Available)
- On further analysis it is found that regardless of
[
https://issues.apache.org/jira/browse/AMBARI-21277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16055031#comment-16055031
]
Hudson commented on AMBARI-21277:
-
SUCCESS: Integrated in Jenkins build Ambari-branch-2.5 #1612 (See
[
https://issues.apache.org/jira/browse/AMBARI-21277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054991#comment-16054991
]
Hudson commented on AMBARI-21277:
-
FAILURE: Integrated in Jenkins build Ambari-branch-2.5 #1611 (See
[
https://issues.apache.org/jira/browse/AMBARI-21277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054967#comment-16054967
]
Hudson commented on AMBARI-21277:
-
FAILURE: Integrated in Jenkins build Ambari-branch-2.5 #1610 (See
[
https://issues.apache.org/jira/browse/AMBARI-21277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054932#comment-16054932
]
Sumit Mohanty commented on AMBARI-21277:
[~oleewere] I have committed the changes to branch-2.5
[
https://issues.apache.org/jira/browse/AMBARI-21277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sumit Mohanty updated AMBARI-21277:
---
Fix Version/s: 2.5.2
> Fail to create solr clients in Log Search / Log Feeder with openjdk8
[
https://issues.apache.org/jira/browse/AMBARI-21263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Vitaly Brodetskyi updated AMBARI-21263:
---
Attachment: AMBARI-21263.patch
> Ambari 2.5.1 upgrade fails with HDPSearch mpack
[
https://issues.apache.org/jira/browse/AMBARI-21263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Vitaly Brodetskyi updated AMBARI-21263:
---
Attachment: (was: AMBARI-21263.patch)
> Ambari 2.5.1 upgrade fails with
[
https://issues.apache.org/jira/browse/AMBARI-21281?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Di Li updated AMBARI-21281:
---
Description: rename RU_TASKS Stagewrapper type to upgrade tasks
> Code refactoring: rename RU_TASKS
[
https://issues.apache.org/jira/browse/AMBARI-21281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054691#comment-16054691
]
Di Li commented on AMBARI-21281:
ServicePropertiesTest failure existed before the proposed change.
>
[
https://issues.apache.org/jira/browse/AMBARI-21282?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sridhar Sailappan updated AMBARI-21282:
---
Attachment: Patch_AmbariPigView_Macro_20170619.txt
> Support for macro based
Sridhar Sailappan created AMBARI-21282:
--
Summary: Support for macro based property definitions in Pig View
Key: AMBARI-21282
URL: https://issues.apache.org/jira/browse/AMBARI-21282
Project:
[
https://issues.apache.org/jira/browse/AMBARI-21216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Robert Levas updated AMBARI-21216:
--
Attachment: AMBARI-21216_branch-feature-AMBARI-20859_01.patch
> Add support for consecutive
[
https://issues.apache.org/jira/browse/AMBARI-21216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Robert Levas updated AMBARI-21216:
--
Status: Patch Available (was: In Progress)
> Add support for consecutive login failure
[
https://issues.apache.org/jira/browse/AMBARI-21281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054662#comment-16054662
]
Hadoop QA commented on AMBARI-21281:
{color:red}-1 overall{color}. Here are the results of testing
[
https://issues.apache.org/jira/browse/AMBARI-21281?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Di Li updated AMBARI-21281:
---
Attachment: AMBARI-21281.patch
> Code refactoring: rename RU_TASKS Stagewrapper type to upgrade tasks
>
[
https://issues.apache.org/jira/browse/AMBARI-21281?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Di Li updated AMBARI-21281:
---
Status: Patch Available (was: Open)
> Code refactoring: rename RU_TASKS Stagewrapper type to upgrade tasks
Di Li created AMBARI-21281:
--
Summary: Code refactoring: rename RU_TASKS Stagewrapper type to
upgrade tasks
Key: AMBARI-21281
URL: https://issues.apache.org/jira/browse/AMBARI-21281
Project: Ambari
[
https://issues.apache.org/jira/browse/AMBARI-21191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054613#comment-16054613
]
Hudson commented on AMBARI-21191:
-
FAILURE: Integrated in Jenkins build Ambari-trunk-Commit #7652 (See
[
https://issues.apache.org/jira/browse/AMBARI-17382?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Aravindan Vijayan updated AMBARI-17382:
---
Status: Patch Available (was: Open)
> Migrate AMS queries to use ROW_TIMESTAMP
[
https://issues.apache.org/jira/browse/AMBARI-17382?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Aravindan Vijayan updated AMBARI-17382:
---
Attachment: AMBARI-17382-1.patch
> Migrate AMS queries to use ROW_TIMESTAMP instead
[
https://issues.apache.org/jira/browse/AMBARI-20967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054558#comment-16054558
]
Hudson commented on AMBARI-20967:
-
SUCCESS: Integrated in Jenkins build Ambari-trunk-Commit #7651 (See
[
https://issues.apache.org/jira/browse/AMBARI-21191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Alejandro Fernandez updated AMBARI-21191:
-
Resolution: Fixed
Status: Resolved (was: Patch Available)
Pushed to
[
https://issues.apache.org/jira/browse/AMBARI-21214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054523#comment-16054523
]
Aravindan Vijayan commented on AMBARI-21214:
Pushed to branch-3.0-ams
> Use a uuid vs long
[
https://issues.apache.org/jira/browse/AMBARI-21214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Aravindan Vijayan updated AMBARI-21214:
---
Status: Patch Available (was: Open)
> Use a uuid vs long row key for metrics in
[
https://issues.apache.org/jira/browse/AMBARI-20967?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tim Thorpe updated AMBARI-20967:
Resolution: Fixed
Status: Resolved (was: Patch Available)
> Remove Zookeeper as a
[
https://issues.apache.org/jira/browse/AMBARI-21230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054440#comment-16054440
]
Hudson commented on AMBARI-21230:
-
SUCCESS: Integrated in Jenkins build Ambari-branch-2.5 #1609 (See
[
https://issues.apache.org/jira/browse/AMBARI-21230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054395#comment-16054395
]
Qin Liu commented on AMBARI-21230:
--
[~rlevas] Thank you!
> Add Kerberos HTTP SPNEGO authentication
[
https://issues.apache.org/jira/browse/AMBARI-21230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Qin Liu updated AMBARI-21230:
-
Resolution: Fixed
Status: Resolved (was: Patch Available)
> Add Kerberos HTTP SPNEGO
[
https://issues.apache.org/jira/browse/AMBARI-21248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054354#comment-16054354
]
Hudson commented on AMBARI-21248:
-
FAILURE: Integrated in Jenkins build Ambari-trunk-Commit #7650 (See
[
https://issues.apache.org/jira/browse/AMBARI-21230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054355#comment-16054355
]
Hudson commented on AMBARI-21230:
-
FAILURE: Integrated in Jenkins build Ambari-trunk-Commit #7650 (See
[
https://issues.apache.org/jira/browse/AMBARI-21248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054340#comment-16054340
]
Hudson commented on AMBARI-21248:
-
SUCCESS: Integrated in Jenkins build Ambari-branch-2.5 #1608 (See
Pravin Dsilva created AMBARI-21280:
--
Summary: TestOSCheck.TestOSCheck python-test fails for ppc64le
Key: AMBARI-21280
URL: https://issues.apache.org/jira/browse/AMBARI-21280
Project: Ambari
[
https://issues.apache.org/jira/browse/AMBARI-21230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054295#comment-16054295
]
Robert Levas commented on AMBARI-21230:
---
[~qinliu]
Committed to trunk
{noformat}
commit
[
https://issues.apache.org/jira/browse/AMBARI-20122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054283#comment-16054283
]
Hudson commented on AMBARI-20122:
-
FAILURE: Integrated in Jenkins build Ambari-trunk-Commit #7649 (See
[
https://issues.apache.org/jira/browse/AMBARI-21248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dmytro Sen updated AMBARI-21248:
Resolution: Fixed
Status: Resolved (was: Patch Available)
Committed to trunk and
[
https://issues.apache.org/jira/browse/AMBARI-21098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054257#comment-16054257
]
Hadoop QA commented on AMBARI-21098:
{color:red}-1 overall{color}. Here are the results of testing
[
https://issues.apache.org/jira/browse/AMBARI-21230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Robert Levas updated AMBARI-21230:
--
Fix Version/s: (was: trunk)
2.5.2
3.0.0
> Add
[
https://issues.apache.org/jira/browse/AMBARI-20122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tim Thorpe resolved AMBARI-20122.
-
Resolution: Fixed
> Stack advisor needs to recommend dependency for slaves and masters
>
[
https://issues.apache.org/jira/browse/AMBARI-21250?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054233#comment-16054233
]
Qin Liu commented on AMBARI-21250:
--
[~dsen] Thank you!
> update yarn-env.xml in HDP2.6 for YARN sinks'
[
https://issues.apache.org/jira/browse/AMBARI-21242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054088#comment-16054088
]
Hudson commented on AMBARI-21242:
-
FAILURE: Integrated in Jenkins build Ambari-trunk-Commit #7648 (See
[
https://issues.apache.org/jira/browse/AMBARI-21279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054083#comment-16054083
]
Hadoop QA commented on AMBARI-21279:
{color:red}-1 overall{color}. Here are the results of testing
[
https://issues.apache.org/jira/browse/AMBARI-21279?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dmytro Sen updated AMBARI-21279:
Status: Patch Available (was: Open)
> Handle scenario when host in-memory aggregation is not
[
https://issues.apache.org/jira/browse/AMBARI-21279?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dmytro Sen updated AMBARI-21279:
Attachment: AMBARI-21279.patch
> Handle scenario when host in-memory aggregation is not working
>
Dmytro Sen created AMBARI-21279:
---
Summary: Handle scenario when host in-memory aggregation is not
working
Key: AMBARI-21279
URL: https://issues.apache.org/jira/browse/AMBARI-21279
Project: Ambari
[
https://issues.apache.org/jira/browse/AMBARI-21181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16054019#comment-16054019
]
Hudson commented on AMBARI-21181:
-
SUCCESS: Integrated in Jenkins build Ambari-trunk-Commit #7647 (See
[
https://issues.apache.org/jira/browse/AMBARI-21098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Hui Cao updated AMBARI-21098:
-
Status: Patch Available (was: In Progress)
[^AMBARI-21098.patch] Patch file for integrate Titan into
[
https://issues.apache.org/jira/browse/AMBARI-21098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Hui Cao updated AMBARI-21098:
-
Attachment: AMBARI-21098.patch
patch file for integrate titan into Ambari
> Integrate Titan into
[
https://issues.apache.org/jira/browse/AMBARI-21181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16053964#comment-16053964
]
Miklos Gergely commented on AMBARI-21181:
-
committed to trunk:
{code:java}
commit
[
https://issues.apache.org/jira/browse/AMBARI-21242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Doroszlai, Attila updated AMBARI-21242:
---
Resolution: Fixed
Status: Resolved (was: Patch Available)
Committed to
[
https://issues.apache.org/jira/browse/AMBARI-21278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrii Tkach updated AMBARI-21278:
--
Resolution: Fixed
Status: Resolved (was: Patch Available)
> Integrate cluster
[
https://issues.apache.org/jira/browse/AMBARI-21278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16053939#comment-16053939
]
Andrii Tkach commented on AMBARI-21278:
---
committed to branch-3.0-perf
> Integrate cluster
[
https://issues.apache.org/jira/browse/AMBARI-21278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16053909#comment-16053909
]
Aleksandr Kovalenko commented on AMBARI-21278:
--
+1 for the patch
> Integrate cluster
[
https://issues.apache.org/jira/browse/AMBARI-21278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrii Tkach updated AMBARI-21278:
--
Status: Patch Available (was: Open)
> Integrate cluster topology updates with websocket
[
https://issues.apache.org/jira/browse/AMBARI-21278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16053905#comment-16053905
]
Andrii Tkach commented on AMBARI-21278:
---
20721 passing (49s)
128 pending
> Integrate cluster
[
https://issues.apache.org/jira/browse/AMBARI-21278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrii Tkach updated AMBARI-21278:
--
Attachment: AMBARI-21278.patch
> Integrate cluster topology updates with websocket events
>
[
https://issues.apache.org/jira/browse/AMBARI-21181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16053891#comment-16053891
]
Hudson commented on AMBARI-21181:
-
FAILURE: Integrated in Jenkins build Ambari-trunk-Commit #7646 (See
Andrii Tkach created AMBARI-21278:
-
Summary: Integrate cluster topology updates with websocket events
Key: AMBARI-21278
URL: https://issues.apache.org/jira/browse/AMBARI-21278
Project: Ambari
[
https://issues.apache.org/jira/browse/AMBARI-21277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Olivér Szabó updated AMBARI-21277:
--
Description:
>From Feeder log:
{code}
2017-06-15 20:31:14,765 [main] FATAL
[
https://issues.apache.org/jira/browse/AMBARI-21212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16053819#comment-16053819
]
Hudson commented on AMBARI-21212:
-
SUCCESS: Integrated in Jenkins build Ambari-trunk-Commit #7645 (See
[
https://issues.apache.org/jira/browse/AMBARI-21181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Miklos Gergely updated AMBARI-21181:
Resolution: Fixed
Status: Resolved (was: Patch Available)
> Ability to anonymize
[
https://issues.apache.org/jira/browse/AMBARI-21181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16053769#comment-16053769
]
Miklos Gergely commented on AMBARI-21181:
-
committed to trunk:
{code:java}
commit
[
https://issues.apache.org/jira/browse/AMBARI-21212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16053758#comment-16053758
]
Miklos Gergely commented on AMBARI-21212:
-
committed to trunk
{code:java}
commit
[
https://issues.apache.org/jira/browse/AMBARI-21212?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Miklos Gergely updated AMBARI-21212:
Resolution: Fixed
Status: Resolved (was: Patch Available)
> Remove unnecessary
[
https://issues.apache.org/jira/browse/AMBARI-21212?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Miklos Gergely updated AMBARI-21212:
Status: Patch Available (was: In Progress)
> Remove unnecessary Log Search stack
[
https://issues.apache.org/jira/browse/AMBARI-21248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16053731#comment-16053731
]
Hadoop QA commented on AMBARI-21248:
{color:green}+1 overall{color}. Here are the results of
Olivér Szabó created AMBARI-21277:
-
Summary: Fail to create solr clients in Log Search / Log Feeder
with openjdk8
Key: AMBARI-21277
URL: https://issues.apache.org/jira/browse/AMBARI-21277
Project:
[
https://issues.apache.org/jira/browse/AMBARI-21250?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16053729#comment-16053729
]
Hudson commented on AMBARI-21250:
-
FAILURE: Integrated in Jenkins build Ambari-trunk-Commit #7644 (See
[
https://issues.apache.org/jira/browse/AMBARI-21250?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dmytro Sen updated AMBARI-21250:
Resolution: Fixed
Status: Resolved (was: Patch Available)
Committed to trunk.
> update
[
https://issues.apache.org/jira/browse/AMBARI-21248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dmytro Sen updated AMBARI-21248:
Status: Patch Available (was: Open)
> Exception needs to be handled properly for mail alert
>
[
https://issues.apache.org/jira/browse/AMBARI-21248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dmytro Sen updated AMBARI-21248:
Attachment: (was: AMBARI-21248_2.patch)
> Exception needs to be handled properly for mail
[
https://issues.apache.org/jira/browse/AMBARI-21248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dmytro Sen updated AMBARI-21248:
Attachment: AMBARI-21248_4.patch
> Exception needs to be handled properly for mail alert
>
[
https://issues.apache.org/jira/browse/AMBARI-21248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dmytro Sen updated AMBARI-21248:
Status: Open (was: Patch Available)
> Exception needs to be handled properly for mail alert
>
[
https://issues.apache.org/jira/browse/AMBARI-21240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16053614#comment-16053614
]
Hudson commented on AMBARI-21240:
-
SUCCESS: Integrated in Jenkins build Ambari-trunk-Commit #7643 (See
[
https://issues.apache.org/jira/browse/AMBARI-21260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16053615#comment-16053615
]
Hudson commented on AMBARI-21260:
-
SUCCESS: Integrated in Jenkins build Ambari-trunk-Commit #7643 (See
[
https://issues.apache.org/jira/browse/AMBARI-21240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16053602#comment-16053602
]
Hudson commented on AMBARI-21240:
-
SUCCESS: Integrated in Jenkins build Ambari-branch-2.5 #1607 (See
[
https://issues.apache.org/jira/browse/AMBARI-21240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Doroszlai, Attila updated AMBARI-21240:
---
Resolution: Fixed
Status: Resolved (was: Patch Available)
Committed to
[
https://issues.apache.org/jira/browse/AMBARI-21271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Prabhjyot Singh updated AMBARI-21271:
-
Attachment: AMBARI-21271_trunk_v2.patch
> Add "zeppelin.server.ssl.port" in Zeppelin's
[
https://issues.apache.org/jira/browse/AMBARI-21276?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
JaySenSharma updated AMBARI-21276:
--
Description: - Ambari html forms should use post method instead of using
query string
[
https://issues.apache.org/jira/browse/AMBARI-21276?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
JaySenSharma updated AMBARI-21276:
--
Summary: Amabri html forms should use post. (was: Amabri user create and
remote cluster
84 matches
Mail list logo