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https://issues.apache.org/jira/browse/DRILL-7191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16831357#comment-16831357
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ASF GitHub Bot commented on DRILL-7191:
---------------------------------------

sohami commented on pull request #1762: [DRILL-7191 / DRILL-7026]: RM state 
blob persistence in Zookeeper and Integration of Distributed queue 
configuration with Planner
URL: https://github.com/apache/drill/pull/1762#discussion_r279982976
 
 

 ##########
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/ops/OpProfileDef.java
 ##########
 @@ -22,11 +22,13 @@
   public int operatorId;
   public int operatorType;
   public int incomingCount;
+  public long optimalMemoryAllocation;
 
-  public OpProfileDef(int operatorId, int operatorType, int incomingCount) {
+  public OpProfileDef(int operatorId, int operatorType, int incomingCount, 
long optimalMemoryAllocation) {
 
 Review comment:
   Will all the creator of `OpProfileDef` always pass `MaxAllocation` for 
`optimalMemoryAllocation` ?
 
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> RM blobs persistence in Zookeeper for Distributed RM
> ----------------------------------------------------
>
>                 Key: DRILL-7191
>                 URL: https://issues.apache.org/jira/browse/DRILL-7191
>             Project: Apache Drill
>          Issue Type: Sub-task
>          Components:  Server, Query Planning & Optimization
>    Affects Versions: 1.17.0
>            Reporter: Hanumath Rao Maduri
>            Assignee: Sorabh Hamirwasia
>            Priority: Major
>             Fix For: 1.17.0
>
>
> Changes to support storing UUID for each Drillbit Service Instance locally to 
> be used by planner and execution layer. This UUID is used to uniquely 
> identify a Drillbit and register Drillbit information in the RM StateBlobs.
> Introduced a PersistentStore named ZookeeperTransactionalPersistenceStore 
> with Transactional capabilities using Zookeeper Transactional API’s. This is 
> used for updating RM State blobs as all the updates need to happen in 
> transactional manner. Added RMStateBlobs definition and support for serde to 
> Zookeeper.
> Implementation for DistributedRM and its corresponding QueryRM apis and state 
> management.
> Updated the state management of Query in Foreman so that same Foreman object 
> can be submitted multiple times. Also introduced concept of 2 maps keeping 
> track of waiting and running queries. These were done to support for async 
> admit protocol which will be needed with Distributed RM.



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