rajagopr commented on code in PR #15008: URL: https://github.com/apache/pinot/pull/15008#discussion_r1951286076
########## pinot-server/src/main/java/org/apache/pinot/server/api/resources/DiskUtilization.java: ########## @@ -0,0 +1,66 @@ +/** + * 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.pinot.server.api.resources; + +import java.io.IOException; +import java.nio.file.FileStore; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import org.apache.commons.lang3.StringUtils; +import org.apache.pinot.common.restlet.resources.DiskUsageInfo; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + + +public class DiskUtilization { + private static final Logger LOGGER = LoggerFactory.getLogger(DiskUtilization.class); + + private DiskUtilization() { + } + /** + * Computes the disk usage for the file store containing the given path using NIO. + */ + public static DiskUsageInfo computeDiskUsage(String instanceId, String pathStr) throws IOException { + if (StringUtils.isEmpty(instanceId)) { + throw new IllegalArgumentException("InstanceID cannot be null or empty while computing disk utilization."); + } + + if (StringUtils.isEmpty(pathStr)) { + throw new IllegalArgumentException("Path cannot be null or empty while computing disk utilization."); + } + + Path path = Paths.get(pathStr); + if (!Files.exists(path)) { + throw new IllegalArgumentException("The path " + pathStr + " does not exist."); + } + + // Obtain the file store corresponding to the path. + FileStore store = Files.getFileStore(path); Review Comment: Yes, we calculate the size at a path which is on a mount point associated with a volume attached to a node. -- 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. To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org
