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Hive: Arrange common part of the code for Iceberg View.
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core/src/main/java/org/apache/iceberg/BaseMetastoreOperations.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| /* | ||
| * 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; | ||
|
|
||
| import static org.apache.iceberg.TableProperties.COMMIT_NUM_STATUS_CHECKS; | ||
| import static org.apache.iceberg.TableProperties.COMMIT_NUM_STATUS_CHECKS_DEFAULT; | ||
| import static org.apache.iceberg.TableProperties.COMMIT_STATUS_CHECKS_MAX_WAIT_MS; | ||
| import static org.apache.iceberg.TableProperties.COMMIT_STATUS_CHECKS_MAX_WAIT_MS_DEFAULT; | ||
| import static org.apache.iceberg.TableProperties.COMMIT_STATUS_CHECKS_MIN_WAIT_MS; | ||
| import static org.apache.iceberg.TableProperties.COMMIT_STATUS_CHECKS_MIN_WAIT_MS_DEFAULT; | ||
| import static org.apache.iceberg.TableProperties.COMMIT_STATUS_CHECKS_TOTAL_WAIT_MS; | ||
| import static org.apache.iceberg.TableProperties.COMMIT_STATUS_CHECKS_TOTAL_WAIT_MS_DEFAULT; | ||
|
|
||
| import java.util.Map; | ||
| import java.util.concurrent.atomic.AtomicReference; | ||
| import java.util.function.Supplier; | ||
| import org.apache.iceberg.util.PropertyUtil; | ||
| import org.apache.iceberg.util.Tasks; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| public class BaseMetastoreOperations { | ||
| private static final Logger LOG = LoggerFactory.getLogger(BaseMetastoreOperations.class); | ||
|
|
||
| public enum CommitStatus { | ||
| FAILURE, | ||
| SUCCESS, | ||
| UNKNOWN | ||
| } | ||
|
|
||
| /** | ||
| * Attempt to load the content and see if any current or past metadata location matches the one we | ||
| * were attempting to set. This is used as a last resort when we are dealing with exceptions that | ||
| * may indicate the commit has failed but don't have proof that this is the case. Note that all | ||
| * the previous locations must also be searched on the chance that a second committer was able to | ||
| * successfully commit on top of our commit. | ||
| * | ||
| * @param contentName full name of the content | ||
| * @param newMetadataLocation the path of the new commit file | ||
| * @param properties properties for retry | ||
| * @param newMetadataCheckSupplier check if the latest metadata presents or not using metadata | ||
| * location for table, version id for view. | ||
| * @return Commit Status of Success, Failure or Unknown | ||
| */ | ||
| protected CommitStatus checkCommitStatus( | ||
| String contentName, | ||
| String newMetadataLocation, | ||
| Map<String, String> properties, | ||
| Supplier<Boolean> newMetadataCheckSupplier) { | ||
| int maxAttempts = | ||
| PropertyUtil.propertyAsInt( | ||
| properties, COMMIT_NUM_STATUS_CHECKS, COMMIT_NUM_STATUS_CHECKS_DEFAULT); | ||
| long minWaitMs = | ||
| PropertyUtil.propertyAsLong( | ||
| properties, COMMIT_STATUS_CHECKS_MIN_WAIT_MS, COMMIT_STATUS_CHECKS_MIN_WAIT_MS_DEFAULT); | ||
| long maxWaitMs = | ||
| PropertyUtil.propertyAsLong( | ||
| properties, COMMIT_STATUS_CHECKS_MAX_WAIT_MS, COMMIT_STATUS_CHECKS_MAX_WAIT_MS_DEFAULT); | ||
| long totalRetryMs = | ||
| PropertyUtil.propertyAsLong( | ||
| properties, | ||
| COMMIT_STATUS_CHECKS_TOTAL_WAIT_MS, | ||
| COMMIT_STATUS_CHECKS_TOTAL_WAIT_MS_DEFAULT); | ||
|
|
||
| AtomicReference<CommitStatus> status = new AtomicReference<>(CommitStatus.UNKNOWN); | ||
|
|
||
| Tasks.foreach(newMetadataLocation) | ||
| .retry(maxAttempts) | ||
| .suppressFailureWhenFinished() | ||
| .exponentialBackoff(minWaitMs, maxWaitMs, totalRetryMs, 2.0) | ||
| .onFailure( | ||
| (location, checkException) -> | ||
| LOG.error("Cannot check if commit to {} exists.", contentName, checkException)) | ||
| .run( | ||
| location -> { | ||
| boolean commitSuccess = newMetadataCheckSupplier.get(); | ||
|
|
||
| if (commitSuccess) { | ||
| LOG.info( | ||
| "Commit status check: Commit to {} of {} succeeded", | ||
| contentName, | ||
| newMetadataLocation); | ||
| status.set(CommitStatus.SUCCESS); | ||
| } else { | ||
| LOG.warn( | ||
| "Commit status check: Commit to {} of {} unknown, new metadata location is not current " | ||
| + "or in history", | ||
| contentName, | ||
| newMetadataLocation); | ||
| } | ||
| }); | ||
|
|
||
| if (status.get() == CommitStatus.UNKNOWN) { | ||
| LOG.error( | ||
| "Cannot determine commit state to {}. Failed during checking {} times. " | ||
| + "Treating commit state as unknown.", | ||
| contentName, | ||
| maxAttempts); | ||
| } | ||
| return status.get(); | ||
| } | ||
| } |
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