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Posted to commits@pinot.apache.org by "vvivekiyer (via GitHub)" <gi...@apache.org> on 2023/11/10 02:17:47 UTC

[PR] Add query option override for Broker MinGroupTrimSize [pinot]

vvivekiyer opened a new pull request, #11984:
URL: https://github.com/apache/pinot/pull/11984

   1. Added a queryOption override `minBrokerGroupTrimSize` for config `pinot.broker.min.group.trim.size`
   2. Reused the generic queryOption override `groupTrimThreshold` at the broker reduce stage as well
   
   Note: For existing users of groupTrimThreshold queryOption, they can see trimming kicking in going forward. I'm open to suggestions if we want to decouple and create a separate queryOption for broker. 


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Re: [PR] Add query option override for Broker MinGroupTrimSize [pinot]

Posted by "vvivekiyer (via GitHub)" <gi...@apache.org>.
vvivekiyer commented on code in PR #11984:
URL: https://github.com/apache/pinot/pull/11984#discussion_r1393784447


##########
pinot-common/src/main/java/org/apache/pinot/common/utils/config/QueryOptionsUtils.java:
##########
@@ -173,6 +173,15 @@ public static Integer getMinServerGroupTrimSize(Map<String, String> queryOptions
     return minServerGroupTrimSizeString != null ? Integer.parseInt(minServerGroupTrimSizeString) : null;
   }
 
+  @Nullable
+  public static Integer getMinBrokerGroupTrimSize(Map<String, String> queryOptions) {
+    if (queryOptions == null) {
+      return null;
+    }

Review Comment:
   Moved this check into (Streaming/Broker)ReduceService. This check is needed because unlike servers (where queryOption cannot be null because of timeout,etc), it can be null for brokers. 



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Re: [PR] Add query option override for Broker MinGroupTrimSize [pinot]

Posted by "vvivekiyer (via GitHub)" <gi...@apache.org>.
vvivekiyer commented on PR #11984:
URL: https://github.com/apache/pinot/pull/11984#issuecomment-1813689237

   Added to docs. 


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Re: [PR] Add query option override for Broker MinGroupTrimSize [pinot]

Posted by "Jackie-Jiang (via GitHub)" <gi...@apache.org>.
Jackie-Jiang commented on code in PR #11984:
URL: https://github.com/apache/pinot/pull/11984#discussion_r1393017745


##########
pinot-common/src/main/java/org/apache/pinot/common/utils/config/QueryOptionsUtils.java:
##########
@@ -206,6 +215,9 @@ public static Integer getMaxInitialResultHolderCapacity(Map<String, String> quer
 
   @Nullable
   public static Integer getGroupTrimThreshold(Map<String, String> queryOptions) {
+    if (queryOptions == null) {
+      return null;
+    }

Review Comment:
   Same here
   ```suggestion
   ```



##########
pinot-common/src/main/java/org/apache/pinot/common/utils/config/QueryOptionsUtils.java:
##########
@@ -173,6 +173,15 @@ public static Integer getMinServerGroupTrimSize(Map<String, String> queryOptions
     return minServerGroupTrimSizeString != null ? Integer.parseInt(minServerGroupTrimSizeString) : null;
   }
 
+  @Nullable
+  public static Integer getMinBrokerGroupTrimSize(Map<String, String> queryOptions) {
+    if (queryOptions == null) {
+      return null;
+    }

Review Comment:
   Let's follow the same convention by assuming `queryOptions` is not null
   ```suggestion
   ```



##########
pinot-core/src/main/java/org/apache/pinot/core/query/reduce/BaseReduceService.java:
##########
@@ -50,15 +50,15 @@ public abstract class BaseReduceService {
 
   protected final ExecutorService _reduceExecutorService;
   protected final int _maxReduceThreadsPerQuery;
-  protected final int _groupByTrimThreshold;
-  protected final int _minGroupTrimSize;
+  protected final int _groupByTrimThresholdCfg;

Review Comment:
   (minor) No need to change this. Member variable indicates it is not from query



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Re: [PR] Add query option override for Broker MinGroupTrimSize [pinot]

Posted by "Jackie-Jiang (via GitHub)" <gi...@apache.org>.
Jackie-Jiang commented on code in PR #11984:
URL: https://github.com/apache/pinot/pull/11984#discussion_r1395053217


##########
pinot-core/src/main/java/org/apache/pinot/core/query/reduce/BaseReduceService.java:
##########
@@ -50,15 +50,15 @@ public abstract class BaseReduceService {
 
   protected final ExecutorService _reduceExecutorService;
   protected final int _maxReduceThreadsPerQuery;
-  protected final int _groupByTrimThreshold;
-  protected final int _minGroupTrimSize;
+  protected final int _groupByTrimThresholdCfg;

Review Comment:
   Is this comment missed?



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Re: [PR] Add query option override for Broker MinGroupTrimSize [pinot]

Posted by "codecov-commenter (via GitHub)" <gi...@apache.org>.
codecov-commenter commented on PR #11984:
URL: https://github.com/apache/pinot/pull/11984#issuecomment-1804999234

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Re: [PR] Add query option override for Broker MinGroupTrimSize [pinot]

Posted by "Jackie-Jiang (via GitHub)" <gi...@apache.org>.
Jackie-Jiang merged PR #11984:
URL: https://github.com/apache/pinot/pull/11984


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Re: [PR] Add query option override for Broker MinGroupTrimSize [pinot]

Posted by "vvivekiyer (via GitHub)" <gi...@apache.org>.
vvivekiyer commented on PR #11984:
URL: https://github.com/apache/pinot/pull/11984#issuecomment-1811961790

   I'll update docs once this PR is merged. 


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