[HUDI-2696] Remove the aborted checkpoint notification from coordinator

hudi-flink/src/main/java/org/apache/hudi/sink/StreamWriteOperatorCoordinator.java

@@ -235,16 +235,6 @@ public void notifyCheckpointComplete(long checkpointId) {
     );
   }
 
-  @Override
-  public void notifyCheckpointAborted(long checkpointId) {
-    // once the checkpoint was aborted, unblock the writer tasks to
-    // reuse the last instant.
-    if (!WriteMetadataEvent.BOOTSTRAP_INSTANT.equals(this.instant)) {
-      executor.execute(() -> sendCommitAckEvents(checkpointId),
-          "unblock data write with aborted checkpoint %s", checkpointId);
-    }
-  }
-
   @Override
   public void resetToCheckpoint(long checkpointID, byte[] checkpointData) {
     // no operation
@@ -334,8 +324,10 @@ private void addEventToBuffer(WriteMetadataEvent event) {
 
   private void startInstant() {
     final String instant = HoodieActiveTimeline.createNewInstantTime();
-    this.writeClient.startCommitWithTime(instant, tableState.commitAction);
+    // put the assignment in front of metadata generation,
+    // because the instant request from write task is asynchronous.
     this.instant = instant;
+    this.writeClient.startCommitWithTime(instant, tableState.commitAction);
     this.metaClient.getActiveTimeline().transitionRequestedToInflight(tableState.commitAction, this.instant);
     this.writeClient.upgradeDowngrade(this.instant);
     LOG.info("Create instant [{}] for table [{}] with type [{}]", this.instant,

hudi-flink/src/main/java/org/apache/hudi/sink/bulk/BulkInsertWriteFunction.java

@@ -183,14 +183,20 @@ private void sendBootstrapEvent() {
     LOG.info("Send bootstrap write metadata event to coordinator, task[{}].", taskID);
   }
 
+  /**
+   * Returns the last pending instant time.
+   */
+  protected String lastPendingInstant() {
+    return StreamerUtil.getLastPendingInstant(this.metaClient);
+  }
+
   private String instantToWrite() {
-    String instant = StreamerUtil.getLastPendingInstant(this.metaClient);
+    String instant = lastPendingInstant();
     // if exactly-once semantics turns on,
     // waits for the checkpoint notification until the checkpoint timeout threshold hits.
     TimeWait timeWait = TimeWait.builder()
         .timeout(config.getLong(FlinkOptions.WRITE_COMMIT_ACK_TIMEOUT))
         .action("instant initialize")
-        .throwsT(true)
         .build();
     while (instant == null || instant.equals(this.initInstant)) {
       // wait condition:
@@ -199,7 +205,7 @@ private String instantToWrite() {
       // sleep for a while
       timeWait.waitFor();
       // refresh the inflight instant
-      instant = StreamerUtil.getLastPendingInstant(this.metaClient);
+      instant = lastPendingInstant();
     }
     return instant;
   }

hudi-flink/src/main/java/org/apache/hudi/sink/common/AbstractStreamWriteFunction.java

@@ -114,11 +114,6 @@ public abstract class AbstractStreamWriteFunction<I>
    */
   protected List<WriteStatus> writeStatuses;
 
-  /**
-   * Current checkpoint id.
-   */
-  private long checkpointId = -1;
-
   /**
    * Constructs a StreamWriteFunctionBase.
    *
@@ -152,7 +147,6 @@ public void initializeState(FunctionInitializationContext context) throws Except
 
   @Override
   public void snapshotState(FunctionSnapshotContext functionSnapshotContext) throws Exception {
-    this.checkpointId = functionSnapshotContext.getCheckpointId();
     snapshotState();
     // Reload the snapshot state as the current state.
     reloadWriteMetaState();
@@ -216,10 +210,7 @@ private void reloadWriteMetaState() throws Exception {
   public void handleOperatorEvent(OperatorEvent event) {
     ValidationUtils.checkArgument(event instanceof CommitAckEvent,
         "The write function can only handle CommitAckEvent");
-    long checkpointId = ((CommitAckEvent) event).getCheckpointId();
-    if (checkpointId == -1 || checkpointId == this.checkpointId) {
-      this.confirming = false;
-    }
+    this.confirming = false;
   }
 
   /**
@@ -249,16 +240,9 @@ protected String instantToWrite(boolean hasData) {
       // 2. the inflight instant does not change and the checkpoint has buffering data
       if (instant == null || (instant.equals(this.currentInstant) && hasData)) {
         // sleep for a while
-        boolean timeout = timeWait.waitFor();
-        if (timeout && instant != null) {
-          // if the timeout threshold hits but the last instant still not commit,
-          // and the task does not receive commit ask event(no data or aborted checkpoint),
-          // assumes the checkpoint was canceled silently and unblock the data flushing
-          confirming = false;
-        } else {
-          // refresh the inflight instant
-          instant = lastPendingInstant();
-        }
+        timeWait.waitFor();
+        // refresh the inflight instant
+        instant = lastPendingInstant();
       } else {
         // the pending instant changed, that means the last instant was committed
         // successfully.

hudi-flink/src/main/java/org/apache/hudi/sink/utils/TimeWait.java

@@ -35,14 +35,13 @@ public class TimeWait {
   private final long timeout;    // timeout in SECONDS
   private final long interval;   // interval in MILLISECONDS
   private final String action;   // action to report error message
-  private final boolean throwsT; // whether to throw when timeout
+
   private long waitingTime = 0L;
 
-  private TimeWait(long timeout, long interval, String action, boolean throwsT) {
+  private TimeWait(long timeout, long interval, String action) {
     this.timeout = timeout;
     this.interval = interval;
     this.action = action;
-    this.throwsT = throwsT;
   }
 
   public static Builder builder() {
@@ -51,23 +50,14 @@ public static Builder builder() {
 
   /**
    * Wait for an interval time.
-   *
-   * @return true if is timed out
    */
-  public boolean waitFor() {
+  public void waitFor() {
     try {
       if (waitingTime > timeout) {
-        final String msg = "Timeout(" + waitingTime + "ms) while waiting for " + action;
-        if (this.throwsT) {
-          throw new HoodieException(msg);
-        } else {
-          LOG.warn(msg);
-          return true;
-        }
+        throw new HoodieException("Timeout(" + waitingTime + "ms) while waiting for " + action);
       }
       TimeUnit.MILLISECONDS.sleep(interval);
       waitingTime += interval;
-      return false;
     } catch (InterruptedException e) {
       throw new HoodieException("Error while waiting for " + action, e);
     }
@@ -80,7 +70,6 @@ public static class Builder {
     private long timeout = 5 * 60 * 1000L; // default 5 minutes
     private long interval = 1000;
     private String action;
-    private boolean throwsT = false;
 
     private Builder() {
     }
@@ -102,14 +91,9 @@ public Builder action(String action) {
       return this;
     }
 
-    public Builder throwsT(boolean throwsT) {
-      this.throwsT = throwsT;
-      return this;
-    }
-
     public TimeWait build() {
       Objects.requireNonNull(this.action);
-      return new TimeWait(this.timeout, this.interval, this.action, this.throwsT);
+      return new TimeWait(this.timeout, this.interval, this.action);
     }
   }
 }

hudi-flink/src/main/java/org/apache/hudi/util/StreamerUtil.java

@@ -468,7 +468,7 @@ public static String getLastPendingInstant(HoodieTableMetaClient metaClient, boo
     if (reloadTimeline) {
       metaClient.reloadActiveTimeline();
     }
-    return metaClient.getCommitsTimeline().filterInflightsAndRequested()
+    return metaClient.getCommitsTimeline().filterInflights()
         .lastInstant()
         .map(HoodieInstant::getTimestamp)
         .orElse(null);

hudi-flink/src/test/java/org/apache/hudi/sink/TestWriteCopyOnWrite.java

@@ -95,8 +95,8 @@ public void testCheckpointFails() throws Exception {
         .assertEmptyEvent()
         .checkpointFails(1)
         .consume(TestData.DATA_SET_INSERT)
-        .checkpointNotThrow(2,
-            "The stream writer reuse the last instant time when waiting for the last instant commit timeout")
+        .checkpointThrows(2,
+            "Timeout(1000ms) while waiting for instant initialize")
         // do not send the write event and fails the checkpoint,
         // behaves like the last checkpoint is successful.
         .checkpointFails(2)
@@ -390,7 +390,8 @@ public void testWriteExactlyOnce() throws Exception {
         .consume(TestData.DATA_SET_INSERT)
         .assertNotConfirming()
         .checkpoint(2)
-        .assertConsumeDoesNotThrow(TestData.DATA_SET_INSERT)
+        .assertConsumeThrows(TestData.DATA_SET_INSERT,
+            "Timeout(1000ms) while waiting for instant initialize")
         .end();
   }
 

hudi-flink/src/test/java/org/apache/hudi/sink/utils/TestWriteBase.java

@@ -27,6 +27,7 @@
 import org.apache.hudi.common.table.timeline.HoodieInstant;
 import org.apache.hudi.configuration.FlinkOptions;
 import org.apache.hudi.configuration.OptionsResolver;
+import org.apache.hudi.exception.HoodieException;
 import org.apache.hudi.sink.event.WriteMetadataEvent;
 import org.apache.hudi.util.StreamerUtil;
 import org.apache.hudi.utils.TestData;
@@ -51,11 +52,11 @@
 import static org.hamcrest.CoreMatchers.instanceOf;
 import static org.hamcrest.CoreMatchers.is;
 import static org.hamcrest.MatcherAssert.assertThat;
-import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertNotEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 /**
@@ -151,10 +152,8 @@ public TestHarness consume(List<RowData> inputs) throws Exception {
       return this;
     }
 
-    public TestHarness assertConsumeDoesNotThrow(List<RowData> inputs) {
-      assertDoesNotThrow(() -> {
-        consume(inputs);
-      }, "The stream writer reuse the last instant time when waiting for the last instant commit timeout");
+    public TestHarness assertConsumeThrows(List<RowData> inputs, String message) {
+      assertThrows(HoodieException.class, () -> consume(inputs), message);
       return this;
     }
 
@@ -294,9 +293,9 @@ public TestHarness checkpointFails(long checkpointId) {
       return this;
     }
 
-    public TestHarness checkpointNotThrow(long checkpointId, String message) {
+    public TestHarness checkpointThrows(long checkpointId, String message) {
       // this returns early because there is no inflight instant
-      assertDoesNotThrow(() -> checkpoint(checkpointId), message);
+      assertThrows(HoodieException.class, () -> checkpoint(checkpointId), message);
       return this;
     }