| /* |
| * 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.cassandra.streaming; |
| |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import org.apache.cassandra.config.Config; |
| import org.apache.cassandra.config.DataRateSpec; |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.service.StorageService; |
| |
| import static org.apache.cassandra.streaming.StreamManager.StreamRateLimiter; |
| import static org.apache.cassandra.streaming.StreamManager.StreamRateLimiter.BYTES_PER_MEBIBYTE; |
| import static org.junit.Assert.assertEquals; |
| |
| public class StreamManagerTest |
| { |
| private static double defaultStreamThroughputBytesPerSec; |
| private static double defaultInterDCStreamThroughputBytesPerSec; |
| private static final int MAX_INT_CONFIG_VALUE = Integer.MAX_VALUE - 1; |
| private static final double INTEGER_MAX_VALUE_MEGABITS_IN_BYTES = DataRateSpec.LongBytesPerSecondBound |
| .megabitsPerSecondInBytesPerSecond(MAX_INT_CONFIG_VALUE) |
| .toBytesPerSecond(); |
| |
| private static double defaultEntireSSTableStreamThroughputBytesPerSec; |
| private static double defaultEntireSSTableInterDCStreamThroughputBytesPerSec; |
| |
| private static final double BYTES_PER_MEGABIT = 125_000; |
| |
| @BeforeClass |
| public static void setupClass() |
| { |
| Config c = DatabaseDescriptor.loadConfig(); |
| |
| defaultStreamThroughputBytesPerSec = c.stream_throughput_outbound.toBytesPerSecond(); |
| defaultInterDCStreamThroughputBytesPerSec = c.inter_dc_stream_throughput_outbound.toBytesPerSecond(); |
| defaultEntireSSTableStreamThroughputBytesPerSec = c.entire_sstable_stream_throughput_outbound.toBytesPerSecond(); |
| defaultEntireSSTableInterDCStreamThroughputBytesPerSec = c.entire_sstable_inter_dc_stream_throughput_outbound.toBytesPerSecond(); |
| |
| DatabaseDescriptor.daemonInitialization(() -> c); |
| } |
| |
| @Test |
| public void testUpdateStreamThroughput() |
| { |
| // Initialized value check |
| assertEquals(defaultStreamThroughputBytesPerSec, StreamRateLimiter.getRateLimiterRateInBytes(), 0); |
| |
| // Positive value check |
| StorageService.instance.setStreamThroughputMbitPerSec(500); //60MiB/s |
| assertEquals(500 * BYTES_PER_MEGABIT, StreamRateLimiter.getRateLimiterRateInBytes(), 0); |
| |
| // Max positive value check |
| StorageService.instance.setStreamThroughputMbitPerSec(MAX_INT_CONFIG_VALUE); |
| assertEquals(INTEGER_MAX_VALUE_MEGABITS_IN_BYTES, StreamRateLimiter.getRateLimiterRateInBytes(), 0); |
| |
| // Zero value check |
| StorageService.instance.setStreamThroughputMbitPerSec(0); |
| assertEquals(Double.MAX_VALUE, StreamRateLimiter.getRateLimiterRateInBytes(), 0); |
| } |
| |
| @Test |
| public void testUpdateEntireSSTableStreamThroughput() |
| { |
| // Initialized value check (defaults to StreamRateLimiter.getRateLimiterRateInBytes()) |
| assertEquals(defaultEntireSSTableStreamThroughputBytesPerSec, StreamRateLimiter.getEntireSSTableRateLimiterRateInBytes(), 0); |
| |
| // Positive value check |
| StorageService.instance.setEntireSSTableStreamThroughputMebibytesPerSec(1500); |
| assertEquals(1500d * BYTES_PER_MEBIBYTE, StreamRateLimiter.getEntireSSTableRateLimiterRateInBytes(), 0); |
| |
| // Max positive value check |
| StorageService.instance.setEntireSSTableStreamThroughputMebibytesPerSec(MAX_INT_CONFIG_VALUE); |
| assertEquals((MAX_INT_CONFIG_VALUE) * BYTES_PER_MEBIBYTE, StreamRateLimiter.getEntireSSTableRateLimiterRateInBytes(), 0); |
| |
| // Zero value check |
| StorageService.instance.setEntireSSTableStreamThroughputMebibytesPerSec(0); |
| assertEquals(Double.MAX_VALUE, StreamRateLimiter.getEntireSSTableRateLimiterRateInBytes(), 0); |
| } |
| |
| @Test |
| public void testUpdateInterDCStreamThroughput() |
| { |
| // Initialized value check |
| assertEquals(defaultInterDCStreamThroughputBytesPerSec, StreamRateLimiter.getInterDCRateLimiterRateInBytes(), 0); |
| |
| // Positive value check |
| StorageService.instance.setInterDCStreamThroughputMbitPerSec(200); //approximately 24MiB/s |
| assertEquals(200 * BYTES_PER_MEGABIT, StreamRateLimiter.getInterDCRateLimiterRateInBytes(), 0); |
| |
| // Max positive value check |
| StorageService.instance.setInterDCStreamThroughputMbitPerSec(MAX_INT_CONFIG_VALUE); |
| assertEquals(INTEGER_MAX_VALUE_MEGABITS_IN_BYTES, StreamRateLimiter.getInterDCRateLimiterRateInBytes(), 0); |
| |
| // Zero value check |
| StorageService.instance.setInterDCStreamThroughputMbitPerSec(0); |
| assertEquals(Double.MAX_VALUE, StreamRateLimiter.getInterDCRateLimiterRateInBytes(), 0); |
| } |
| |
| @Test |
| public void testUpdateEntireSSTableInterDCStreamThroughput() |
| { |
| // Initialized value check (Defaults to StreamRateLimiter.getInterDCRateLimiterRateInBytes()) |
| assertEquals(defaultEntireSSTableInterDCStreamThroughputBytesPerSec, StreamRateLimiter.getEntireSSTableInterDCRateLimiterRateInBytes(), 0); |
| |
| // Positive value check |
| StorageService.instance.setEntireSSTableInterDCStreamThroughputMebibytesPerSec(1200); |
| assertEquals(1200.0d * BYTES_PER_MEBIBYTE, StreamRateLimiter.getEntireSSTableInterDCRateLimiterRateInBytes(), 0); |
| |
| // Max positive value check |
| StorageService.instance.setEntireSSTableInterDCStreamThroughputMebibytesPerSec(MAX_INT_CONFIG_VALUE); |
| assertEquals(MAX_INT_CONFIG_VALUE * BYTES_PER_MEBIBYTE, StreamRateLimiter.getEntireSSTableInterDCRateLimiterRateInBytes(), 0); |
| |
| // Zero value check |
| StorageService.instance.setEntireSSTableInterDCStreamThroughputMebibytesPerSec(0); |
| assertEquals(Double.MAX_VALUE, StreamRateLimiter.getEntireSSTableInterDCRateLimiterRateInBytes(), 0); |
| } |
| } |