| /* |
| * 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.accumulo.examples.cli; |
| |
| import java.time.Duration; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.accumulo.core.client.BatchWriterConfig; |
| |
| import com.beust.jcommander.IStringConverter; |
| import com.beust.jcommander.Parameter; |
| |
| public class BatchWriterOpts { |
| private static final BatchWriterConfig BWDEFAULTS = new BatchWriterConfig(); |
| |
| public static class TimeConverter implements IStringConverter<Long> { |
| @Override |
| public Long convert(String value) { |
| if (value.matches("[0-9]+")) |
| value = "PT" + value + "S"; // if only numbers then assume seconds |
| return Duration.parse(value).toMillis(); |
| } |
| } |
| |
| public static class MemoryConverter implements IStringConverter<Long> { |
| @Override |
| public Long convert(String str) { |
| try { |
| char lastChar = str.charAt(str.length() - 1); |
| int multiplier = 0; |
| switch (Character.toUpperCase(lastChar)) { |
| case 'G': |
| multiplier += 10; |
| case 'M': |
| multiplier += 10; |
| case 'K': |
| multiplier += 10; |
| case 'B': |
| break; |
| default: |
| return Long.parseLong(str); |
| } |
| return Long.parseLong(str.substring(0, str.length() - 1)) << multiplier; |
| } catch (Exception ex) { |
| throw new IllegalArgumentException( |
| "The value '" + str + "' is not a valid memory setting. A valid value would a number " |
| + "possibily followed by an optional 'G', 'M', 'K', or 'B'."); |
| } |
| } |
| } |
| |
| @Parameter(names = "--batchThreads", |
| description = "Number of threads to use when writing large batches") |
| public Integer batchThreads = BWDEFAULTS.getMaxWriteThreads(); |
| |
| @Parameter(names = "--batchLatency", converter = TimeConverter.class, |
| description = "The maximum time to wait before flushing data to servers when writing") |
| public Long batchLatency = BWDEFAULTS.getMaxLatency(TimeUnit.MILLISECONDS); |
| |
| @Parameter(names = "--batchMemory", converter = MemoryConverter.class, |
| description = "memory used to batch data when writing") |
| public Long batchMemory = BWDEFAULTS.getMaxMemory(); |
| |
| @Parameter(names = "--batchTimeout", converter = TimeConverter.class, |
| description = "timeout used to fail a batch write") |
| public Long batchTimeout = BWDEFAULTS.getTimeout(TimeUnit.MILLISECONDS); |
| |
| public BatchWriterConfig getBatchWriterConfig() { |
| BatchWriterConfig config = new BatchWriterConfig(); |
| config.setMaxWriteThreads(this.batchThreads); |
| config.setMaxLatency(this.batchLatency, TimeUnit.MILLISECONDS); |
| config.setMaxMemory(this.batchMemory); |
| config.setTimeout(this.batchTimeout, TimeUnit.MILLISECONDS); |
| return config; |
| } |
| |
| } |