hadoop package-info 源码
haddop package-info 代码
文件路径：/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/audit/package-info.java
/*
* 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.
*/
/**
* Support for auditing and ultimately tracing operations.
* This is a public API for extension points, e.g. opentracing.
* However, it is very unstable as we evolve how best to audit/trace
* operation.
*
* An audit service is instantiated when an S3A Filesystem is initialized
* during creation.
* The choice of service is determined in the configuration option
* {@link org.apache.hadoop.fs.s3a.audit.S3AAuditConstants#AUDIT_SERVICE_CLASSNAME}.
* The service MUST implement the interface
* {@link org.apache.hadoop.fs.s3a.audit.OperationAuditor}
* to provide an {@link org.apache.hadoop.fs.store.audit.AuditSpan} whenever
* an operation is started through a public FileSystem API call
* (+some other operations).
*/
@InterfaceAudience.LimitedPrivate("S3A auditing extensions")
@InterfaceStability.Unstable
package org.apache.hadoop.fs.s3a.audit;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
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