[
https://issues.apache.org/jira/browse/TAJO-275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13805084#comment-13805084
]
Hudson commented on TAJO-275:
-----------------------------
SUCCESS: Integrated in Tajo-trunk-postcommit #534 (See
[https://builds.apache.org/job/Tajo-trunk-postcommit/534/])
TAJO-275: Separating QueryMaster and TaskRunner roles in worker. (Keuntae Park
via jihoon) (jihoonson:
https://git-wip-us.apache.org/repos/asf?p=incubator-tajo.git&a=commit&h=5470bcea1ae3ec4c627f7f6fc7efa2c1c19e06cd)
* tajo-dist/src/main/bin/start-tajo.sh
* tajo-core/tajo-core-backend/pom.xml
* tajo-core/tajo-core-backend/src/main/resources/webapps/worker/queryplan.jsp
* tajo-core/tajo-core-backend/src/main/resources/webapps/admin/index.jsp
* tajo-dist/src/main/bin/stop-tajo.sh
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/GlobalEngine.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/worker/TaskRunner.java
* tajo-core/tajo-core-backend/src/main/resources/webapps/worker/querydetail.jsp
* tajo-core/tajo-core-backend/src/main/resources/webapps/admin/query.jsp
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/worker/TaskRunnerManager.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/TajoContainerProxy.java
* tajo-dist/src/main/bin/tajo-config.sh
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/querymaster/QueryMaster.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/worker/TajoWorker.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/rm/YarnTajoResourceManager.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/TajoMasterService.java
* pom.xml
* tajo-dist/src/main/conf/tajo-env.sh
* tajo-core/tajo-core-backend/src/main/resources/webapps/worker/env.jsp
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/querymaster/QueryMasterManagerService.java
*
tajo-core/tajo-core-backend/src/test/java/org/apache/tajo/TajoTestingCluster.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/rm/WorkerResourceManager.java
* tajo-core/tajo-core-backend/src/main/resources/webapps/worker/index.jsp
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/rm/TajoWorkerResourceManager.java
* tajo-core/tajo-core-backend/src/main/proto/TajoMasterProtocol.proto
* tajo-common/src/main/java/org/apache/tajo/conf/TajoConf.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/worker/TajoResourceAllocator.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/worker/TajoWorkerManagerService.java
* tajo-core/tajo-core-backend/src/main/resources/webapps/worker/querytasks.jsp
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/rm/WorkerResource.java
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/worker/Task.java
* tajo-dist/src/main/bin/tajo
* CHANGES.txt
* tajo-core/tajo-core-backend/src/main/resources/tajo-default.xml
* tajo-core/tajo-core-backend/src/main/resources/webapps/admin/cluster.jsp
* tajo-core/tajo-core-backend/src/main/proto/TajoWorkerProtocol.proto
* tajo-core/tajo-core-backend/src/main/proto/QueryMasterProtocol.proto
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/querymaster/QueryJobManager.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/querymaster/QueryInfo.java
*
tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/querymaster/QueryInProgress.java
> Separating QueryMaster and TaskRunner roles in worker
> -----------------------------------------------------
>
> Key: TAJO-275
> URL: https://issues.apache.org/jira/browse/TAJO-275
> Project: Tajo
> Issue Type: Improvement
> Reporter: Keuntae Park
> Assignee: Keuntae Park
> Attachments: TAJO-275.patch, TAJO-275.patch_2
>
>
> In C++ implementation of Tajo worker,
> I think it is better to maintain Java code of QueryMaster and implement only
> TaskRunner as C++ code, rather than implementing both QueryMaster and
> TaskRunner as C++ code.
> Accordingly, standby mode worker will have following 3 modes:
> 1) TaskRunner + QueryMaster (current implementation)
> 2) TaskRunner only (C++)
> 3) QueryMaster only (java)
> And, most workers work as C++ TaskRunner, and 1 or 2 workers work as
> separate QueryMasters (java process).
> For backward compatibility, default mode should be mode 1 (TaskRunner +
> QueryMaster)
> To achieve the goal, it needs to separate java TaskRunner and java
> QueryMaster Worker first.
> (And then, implement C++ TaskRunner)
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