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https://issues.apache.org/jira/browse/BEAM-8872?focusedWorklogId=423704&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-423704
 ]

ASF GitHub Bot logged work on BEAM-8872:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 16/Apr/20 20:20
            Start Date: 16/Apr/20 20:20
    Worklog Time Spent: 10m 
      Work Description: boyuanzz commented on pull request #11418: [BEAM-8872] 
Support split at fraction for OffsetRangeTracker
URL: https://github.com/apache/beam/pull/11418#discussion_r409824692
 
 

 ##########
 File path: 
sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/splittabledofn/OffsetRangeTrackerTest.java
 ##########
 @@ -47,16 +48,9 @@ public void testTryClaim() throws Exception {
   @Test
   public void testCheckpointUnstarted() throws Exception {
     OffsetRangeTracker tracker = new OffsetRangeTracker(new OffsetRange(100, 
200));
-    expected.expect(IllegalStateException.class);
-    tracker.trySplit(0).getResidual();
-  }
-
-  @Test
-  public void testCheckpointOnlyFailedClaim() throws Exception {
-    OffsetRangeTracker tracker = new OffsetRangeTracker(new OffsetRange(100, 
200));
-    assertFalse(tracker.tryClaim(250L));
-    expected.expect(IllegalStateException.class);
-    OffsetRange checkpoint = tracker.trySplit(0).getResidual();
+    SplitResult res = tracker.trySplit(0);
+    assertEquals(new OffsetRange(100, 100), res.getPrimary());
+    assertEquals(new OffsetRange(100, 200), res.getResidual());
 
 Review comment:
   In this test case, the expected primary is [100, 100) and the expected 
residual is [100, 200)
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 423704)
    Time Spent: 2h 20m  (was: 2h 10m)

> Add support for splitting at fractions > 0 to 
> org.apache.beam.sdk.transforms.splittabledofn.OffsetRangeTracker
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: BEAM-8872
>                 URL: https://issues.apache.org/jira/browse/BEAM-8872
>             Project: Beam
>          Issue Type: Sub-task
>          Components: sdk-java-core
>            Reporter: Luke Cwik
>            Assignee: Boyuan Zhang
>            Priority: Major
>          Time Spent: 2h 20m
>  Remaining Estimate: 0h
>
> org.apache.beam.sdk.transforms.splittabledofn.OffsetRangeTracker only 
> supports checkpointing.



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