joyhaldar commented on code in PR #15308:
URL: https://github.com/apache/iceberg/pull/15308#discussion_r2839764346
##########
bigquery/src/main/java/org/apache/iceberg/gcp/bigquery/BigQueryTableOperations.java:
##########
@@ -82,48 +84,49 @@ public void doRefresh() {
// atomically
@Override
public void doCommit(TableMetadata base, TableMetadata metadata) {
- String newMetadataLocation =
- base == null && metadata.metadataFileLocation() != null
- ? metadata.metadataFileLocation()
- : writeNewMetadata(metadata, currentVersion() + 1);
- BaseMetastoreOperations.CommitStatus commitStatus =
- BaseMetastoreOperations.CommitStatus.FAILURE;
+ CommitStatus commitStatus = CommitStatus.FAILURE;
+ RetryDetector retryDetector = new RetryDetector();
+
+ String newMetadataLocation = null;
try {
- if (base == null) {
- createTable(newMetadataLocation, metadata);
+ boolean newTable = base == null;
+ newMetadataLocation = writeNewMetadataIfRequired(newTable, metadata);
+
+ if (newTable) {
+ createTable(newMetadataLocation, metadata, retryDetector);
} else {
- updateTable(newMetadataLocation, metadata);
+ updateTable(newMetadataLocation, metadata, retryDetector);
}
- commitStatus = BaseMetastoreOperations.CommitStatus.SUCCESS;
- } catch (CommitFailedException | CommitStateUnknownException e) {
+ commitStatus = CommitStatus.SUCCESS;
+ } catch (CommitFailedException e) {
throw e;
} catch (Throwable e) {
LOG.error("Exception thrown on commit: ", e);
- if (e instanceof AlreadyExistsException) {
- throw e;
+ boolean isAlreadyExistsException = e instanceof AlreadyExistsException;
+ boolean isRuntimeIOException = e instanceof RuntimeIOException;
+
+ // If retries occurred, an earlier attempt may have succeeded. If we got
a
+ // RuntimeIOException, we have no way of knowing if the request reached
the server.
+ // In either case, check whether the commit actually succeeded.
+ if (isRuntimeIOException || retryDetector.retried()) {
+ LOG.warn(
+ "Received unexpected failure when committing to {}, validating if
commit ended up succeeding.",
+ tableName(),
+ e);
+ commitStatus = checkCommitStatus(newMetadataLocation, metadata);
}
Review Comment:
Done
##########
bigquery/src/test/java/org/apache/iceberg/gcp/bigquery/util/TestRetryDetector.java:
##########
@@ -0,0 +1,75 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.iceberg.gcp.bigquery.util;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.jupiter.api.Test;
+
+public class TestRetryDetector {
+ @Test
+ public void testNoAttempts() {
+ RetryDetector detector = new RetryDetector();
+ assertThat(detector.retried()).isFalse();
+ assertThat(detector.attempts()).isEqualTo(0);
+ }
+
+ @Test
+ public void testSingleAttempt() throws Exception {
+ RetryDetector detector = new RetryDetector();
+ detector.wrap(() -> "result").call();
+ assertThat(detector.retried()).isFalse();
+ assertThat(detector.attempts()).isEqualTo(1);
+ }
+
+ @Test
+ public void testAttemptCountedOnException() {
+ RetryDetector detector = new RetryDetector();
+ try {
+ detector
+ .wrap(
+ () -> {
+ throw new RuntimeException("test error");
+ })
+ .call();
+ } catch (Exception e) {
+ // an exception is expected, we're verifying the counter increments
before the callable
+ // executes
Review Comment:
Done
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