[jira] [Created] (HUDI-4893) More than 1 splits are created for a single log file for MOR table

["sivabalan narayanan (Jira)" <ji...@apache.org>]

sivabalan narayanan created HUDI-4893:
-----------------------------------------

             Summary: More than 1 splits are created for a single log file for MOR table
                 Key: HUDI-4893
                 URL: https://issues.apache.org/jira/browse/HUDI-4893
             Project: Apache Hudi
          Issue Type: Bug
          Components: reader-core
            Reporter: sivabalan narayanan


While debugging a flaky test, realized that we are generating more than 1 split for one log file itself. Root caused it to isSpllitable() that returns true for HoodieRealTimePath. 

 

[https://github.com/apache/hudi/blob/6dbe2960f2eaf0408dc0ef544991cad0190050a9/hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/realtime/HoodieRealtimePath.java#L91]

 

I made a quick fix locally and verified that only one split is generated per log file. 

 
{code:java}
git diff hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/realtime/HoodieRealtimePath.java
diff --git a/hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/realtime/HoodieRealtimePath.java b/hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/realtime/HoodieRealtimePath.java
index bba44d5c66..d09dfdf753 100644
--- a/hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/realtime/HoodieRealtimePath.java
+++ b/hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/realtime/HoodieRealtimePath.java
@@ -89,7 +89,7 @@ public class HoodieRealtimePath extends Path {
   }
 
   public boolean isSplitable() {
-    return !toString().isEmpty() && !includeBootstrapFilePath();
+    return !toString().contains(".log") && !includeBootstrapFilePath();
   }
 
   public PathWithBootstrapFileStatus getPathWithBootstrapFileStatus() { {code}
 

 



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