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Hive: Refactor hive-table commit operation to be used for other opera…
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core/src/main/java/org/apache/iceberg/util/BaseMetastoreOperations.java
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/* | ||
* 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.util; | ||
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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; | ||
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import java.util.Map; | ||
import java.util.concurrent.atomic.AtomicReference; | ||
import java.util.function.Function; | ||
import org.apache.iceberg.BaseMetastoreTableOperations; | ||
import org.slf4j.Logger; | ||
import org.slf4j.LoggerFactory; | ||
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public class BaseMetastoreOperations { | ||
private static final Logger LOG = LoggerFactory.getLogger(BaseMetastoreOperations.class); | ||
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/** | ||
* Attempt to load the table 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 are not proof that this is the case. Past locations must | ||
* also be searched on the chance that a second committer was able to successfully commit on top | ||
* of our commit. | ||
* | ||
* @param tableName full name of the table | ||
* @param newMetadataLocation the path of the new commit file | ||
* @param properties properties for retry | ||
* @param commitStatusSupplier calculate commit status with updated location | ||
* @return Commit Status of Success, Failure or Unknown | ||
*/ | ||
public BaseMetastoreTableOperations.CommitStatus checkCommitStatus( | ||
String tableName, | ||
String newMetadataLocation, | ||
Map<String, String> properties, | ||
Function<String, Boolean> commitStatusSupplier) { | ||
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); | ||
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AtomicReference<BaseMetastoreTableOperations.CommitStatus> status = | ||
new AtomicReference<>(BaseMetastoreTableOperations.CommitStatus.UNKNOWN); | ||
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Tasks.foreach(newMetadataLocation) | ||
.retry(maxAttempts) | ||
.suppressFailureWhenFinished() | ||
.exponentialBackoff(minWaitMs, maxWaitMs, totalRetryMs, 2.0) | ||
.onFailure( | ||
(location, checkException) -> | ||
LOG.error("Cannot check if commit to {} exists.", tableName, checkException)) | ||
.run( | ||
location -> { | ||
boolean commitSuccess = commitStatusSupplier.apply(newMetadataLocation); | ||
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if (commitSuccess) { | ||
LOG.info( | ||
"Commit status check: Commit to {} of {} succeeded", | ||
tableName, | ||
newMetadataLocation); | ||
status.set(BaseMetastoreTableOperations.CommitStatus.SUCCESS); | ||
} else { | ||
LOG.warn( | ||
"Commit status check: Commit to {} of {} unknown, new metadata location is not current " | ||
+ "or in history", | ||
tableName, | ||
newMetadataLocation); | ||
} | ||
}); | ||
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if (status.get() == BaseMetastoreTableOperations.CommitStatus.UNKNOWN) { | ||
LOG.error( | ||
"Cannot determine commit state to {}. Failed during checking {} times. " | ||
+ "Treating commit state as unknown.", | ||
tableName, | ||
maxAttempts); | ||
} | ||
return status.get(); | ||
} | ||
} |
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