| /* |
| * 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.sysml.yarn.ropt; |
| |
| import org.apache.sysml.conf.ConfigurationManager; |
| import org.apache.sysml.hops.OptimizerUtils; |
| |
| public class YarnOptimizerUtils |
| { |
| public enum GridEnumType{ |
| EQUI_GRID, |
| EXP_GRID, |
| MEM_EQUI_GRID, |
| HYBRID_MEM_EXP_GRID, |
| } |
| |
| /** |
| * |
| * @return |
| */ |
| public static double getRemoteMemBudgetMap(long jobLookupId) |
| { |
| return getRemoteMemBudgetMap(false, jobLookupId); |
| } |
| |
| /** |
| * |
| * @return |
| */ |
| public static double getRemoteMemBudgetMap(boolean substractSortBuffer, long jobLookupId) |
| { |
| double ret = YarnClusterAnalyzer.getRemoteMaxMemoryMap(jobLookupId); |
| if( substractSortBuffer ) |
| ret -= YarnClusterAnalyzer.getRemoteMaxMemorySortBuffer(); |
| return ret * OptimizerUtils.MEM_UTIL_FACTOR; |
| } |
| |
| /** |
| * |
| * @return |
| */ |
| public static double getRemoteMemBudgetReduce(long jobLookupId) |
| { |
| double ret = YarnClusterAnalyzer.getRemoteMaxMemoryReduce(jobLookupId); |
| return ret * OptimizerUtils.MEM_UTIL_FACTOR; |
| } |
| |
| /** |
| * Returns the number of reducers that potentially run in parallel. |
| * This is either just the configured value (SystemML config) or |
| * the minimum of configured value and available reduce slots. |
| * |
| * @param configOnly |
| * @return |
| */ |
| public static int getNumReducers(boolean configOnly, long jobLookupId) |
| { |
| int ret = ConfigurationManager.getNumReducers(); |
| if( !configOnly ) |
| ret = Math.min(ret,YarnClusterAnalyzer.getRemoteParallelReduceTasks(jobLookupId)); |
| |
| return ret; |
| } |
| |
| /** |
| * |
| * @param mb |
| * @return |
| */ |
| public static long toB( long mb ) |
| { |
| return 1024 * 1024 * mb; |
| } |
| |
| /** |
| * |
| * @param b |
| * @return |
| */ |
| public static long toMB( long b ) |
| { |
| return b / (1024 * 1024); |
| } |
| |
| /** |
| * |
| * @param minAlloc |
| * @param maxAlloc |
| * @param numCores |
| * @return |
| */ |
| public static long computeMinContraint( long minAlloc, long maxAlloc, long numCores ) |
| { |
| return ((long)(Math.max(minAlloc, maxAlloc/numCores )/minAlloc)*minAlloc); |
| } |
| } |