mehakmeet commented on a change in pull request #2069: URL: https://github.com/apache/hadoop/pull/2069#discussion_r466153355
########## File path: hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/statistics/IOStatisticsSupport.java ########## @@ -0,0 +1,79 @@ +/* + * 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.hadoop.fs.statistics; + +import org.apache.hadoop.classification.InterfaceAudience; +import org.apache.hadoop.classification.InterfaceStability; + +/** + * Support for working with IOStatistics. + */ +@InterfaceAudience.Public +@InterfaceStability.Unstable +public final class IOStatisticsSupport { + + private IOStatisticsSupport() { + } + + /** + * Take a snapshot of the current statistics state. + * <p> + * This is not an atomic option. + * <p> + * The instance can be serialized, and its + * {@code toString()} method lists all the values. + * @param statistics statistics + * @return a snapshot of the current values. + */ + public static IOStatisticsSnapshot + snapshotIOStatistics(IOStatistics statistics) { + + return new IOStatisticsSnapshot(statistics); + } + + + /** + * Create a snapsnot statistics instance ready to aggregate data. Review comment: typo: snapsnot -> snapshot ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org
