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https://issues.apache.org/jira/browse/FLINK-2237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15140829#comment-15140829
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ASF GitHub Bot commented on FLINK-2237:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/1517#discussion_r52461048
--- Diff:
flink-runtime/src/test/java/org/apache/flink/runtime/operators/hash/MemoryHashTableTest.java
---
@@ -100,340 +101,371 @@
@Test
public void testDifferentProbers() {
final int NUM_MEM_PAGES = 32 * NUM_PAIRS / PAGE_SIZE;
-
- AbstractMutableHashTable<IntPair> table = new
CompactingHashTable<IntPair>(serializer, comparator, getMemory(NUM_MEM_PAGES,
PAGE_SIZE));
-
+ testDifferentProbersCore(new CompactingHashTable<>(serializer,
comparator, getMemory(NUM_MEM_PAGES, PAGE_SIZE)), NUM_MEM_PAGES);
--- End diff --
Tests for different tables should be put into different methods or even
better into different test classes.
> Add hash-based Aggregation
> --------------------------
>
> Key: FLINK-2237
> URL: https://issues.apache.org/jira/browse/FLINK-2237
> Project: Flink
> Issue Type: New Feature
> Reporter: Rafiullah Momand
> Assignee: Gabor Gevay
> Priority: Minor
>
> Aggregation functions at the moment are implemented in a sort-based way.
> How can we implement hash based Aggregation for Flink?
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