| /* |
| * 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.tools.nodetool; |
| |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import org.apache.cassandra.config.DataRateSpec; |
| import org.apache.cassandra.cql3.CQLTester; |
| |
| import static org.assertj.core.api.Assertions.withPrecision; |
| |
| import static org.apache.cassandra.streaming.StreamManager.StreamRateLimiter; |
| import static org.apache.cassandra.tools.ToolRunner.ToolResult; |
| import static org.apache.cassandra.tools.ToolRunner.invokeNodetool; |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| /** |
| * Tests for {@code nodetool setstreamthroughput} and {@code nodetool getstreamthroughput}. |
| */ |
| public class SetGetStreamThroughputTest extends CQLTester |
| { |
| private static final int MAX_INT_CONFIG_VALUE_IN_MBIT = Integer.MAX_VALUE - 1; |
| private static final double BYTES_PER_MEGABIT = 125_000; |
| private static final int MAX_INT_CONFIG_VALUE_MIB = (int) (MAX_INT_CONFIG_VALUE_IN_MBIT * BYTES_PER_MEGABIT) / 1024 / 1024; |
| private static final double INTEGER_MAX_VALUE_MEGABITS_IN_BYTES = DataRateSpec.LongBytesPerSecondBound |
| .megabitsPerSecondInBytesPerSecond(MAX_INT_CONFIG_VALUE_IN_MBIT) |
| .toBytesPerSecond(); |
| private static final double MEBIBYTES_PER_MEGABIT = 0.11920928955078125; |
| |
| @BeforeClass |
| public static void setup() throws Exception |
| { |
| requireNetwork(); |
| startJMXServer(); |
| } |
| |
| @Test |
| public void testNull() |
| { |
| assertSetInvalidThroughput(null, "Required parameters are missing: stream_throughput"); |
| } |
| |
| @Test |
| public void testPositive() |
| { |
| assertSetGetValidThroughput(7, 7 * BYTES_PER_MEGABIT); |
| assertSetGetValidThroughputMiB(7, 7 * StreamRateLimiter.BYTES_PER_MEBIBYTE); |
| assertSetMbitGetMibValidThroughput(7, 7 * BYTES_PER_MEGABIT); |
| } |
| |
| @Test |
| public void testSmallPositive() |
| { |
| // As part of CASSANDRA-15234 we had to do some tweaks with precision. This test has to ensure no regressions |
| // happen, hopefully. Internally data rate parameters values and rate limitter are set in double. Users can set |
| // and get only integers |
| assertSetGetValidThroughput(1, 1 * BYTES_PER_MEGABIT); |
| assertSetGetValidThroughputMiB(1, 1 * StreamRateLimiter.BYTES_PER_MEBIBYTE); |
| assertSetMbitGetMibValidThroughput(1, 1 * BYTES_PER_MEGABIT); |
| } |
| |
| @Test |
| public void testMaxValue() |
| { |
| assertSetGetValidThroughput(MAX_INT_CONFIG_VALUE_IN_MBIT, INTEGER_MAX_VALUE_MEGABITS_IN_BYTES); |
| assertSetGetValidThroughputMiB(MAX_INT_CONFIG_VALUE_MIB, MAX_INT_CONFIG_VALUE_MIB * StreamRateLimiter.BYTES_PER_MEBIBYTE); |
| assertSetMbitGetMibValidThroughput(MAX_INT_CONFIG_VALUE_IN_MBIT, INTEGER_MAX_VALUE_MEGABITS_IN_BYTES); |
| } |
| |
| @Test |
| public void testUpperBound() |
| { |
| assertSetInvalidThroughputMib(String.valueOf(Integer.MAX_VALUE)); |
| assertSetInvalidThroughputMbit(String.valueOf(Integer.MAX_VALUE)); |
| } |
| |
| @Test |
| public void testZero() |
| { |
| assertSetGetValidThroughput(0, Double.MAX_VALUE); |
| assertSetGetValidThroughputMiB(0, Double.MAX_VALUE); |
| assertSetMbitGetMibValidThroughput(0, Double.MAX_VALUE); |
| } |
| |
| @Test |
| public void testUnparseable() |
| { |
| assertSetInvalidThroughput("1.2", "stream_throughput: can not convert \"1.2\" to a int"); |
| assertSetInvalidThroughput("value", "stream_throughput: can not convert \"value\" to a int"); |
| assertSetGetMoreFlagsIsInvalid(); |
| assertDFlagNeeded(); |
| assertSetGetMoreFlagsIsInvalid(); |
| } |
| |
| private static void assertSetGetValidThroughput(int throughput, double rateInBytes) |
| { |
| ToolResult tool = invokeNodetool("setstreamthroughput", String.valueOf(throughput)); |
| tool.assertOnCleanExit(); |
| assertThat(tool.getStdout()).isEmpty(); |
| |
| assertGetThroughput(throughput); |
| |
| assertThat(StreamRateLimiter.getRateLimiterRateInBytes()).isEqualTo(rateInBytes, withPrecision(0.04)); |
| } |
| |
| private static void assertSetGetValidThroughputMiB(int throughput, double rateInBytes) |
| { |
| ToolResult tool = invokeNodetool("setstreamthroughput", "-m", String.valueOf(throughput)); |
| tool.assertOnCleanExit(); |
| assertThat(tool.getStdout()).isEmpty(); |
| |
| assertGetThroughputMiB(throughput); |
| |
| assertThat(StreamRateLimiter.getRateLimiterRateInBytes()).isEqualTo(rateInBytes, withPrecision(0.01)); |
| } |
| |
| private static void assertDFlagNeeded() |
| { |
| ToolResult tool = invokeNodetool("setstreamthroughput", "-m", String.valueOf(1)); |
| tool.assertOnCleanExit(); |
| assertThat(tool.getStdout()).isEmpty(); |
| |
| tool = invokeNodetool("getstreamthroughput"); |
| assertThat(tool.getExitCode()).isEqualTo(2); |
| assertThat(tool.getStderr()).contains("Use the -d flag to quiet this error and get the exact throughput in megabits/s"); |
| } |
| |
| private static void assertSetMbitGetMibValidThroughput(int throughput, double rateInBytes) |
| { |
| ToolResult tool = invokeNodetool("setstreamthroughput", String.valueOf(throughput)); |
| tool.assertOnCleanExit(); |
| assertThat(tool.getStdout()).isEmpty(); |
| |
| assertGetThroughputMiB(throughput * MEBIBYTES_PER_MEGABIT); |
| |
| assertThat(StreamRateLimiter.getRateLimiterRateInBytes()).isEqualTo(rateInBytes, withPrecision(0.01)); |
| } |
| |
| private static void assertSetInvalidThroughput(String throughput, String expectedErrorMessage) |
| { |
| ToolResult tool = throughput == null ? invokeNodetool("setstreamthroughput") |
| : invokeNodetool("setstreamthroughput", throughput); |
| assertThat(tool.getExitCode()).isEqualTo(1); |
| assertThat(tool.getStdout()).contains(expectedErrorMessage); |
| } |
| |
| private static void assertSetInvalidThroughputMib(String throughput) |
| { |
| ToolResult tool = invokeNodetool("setstreamthroughput", "-m", throughput); |
| assertThat(tool.getExitCode()).isEqualTo(1); |
| assertThat(tool.getStdout()).contains("stream_throughput_outbound: 2147483647 is too large; it should be less " + |
| "than 2147483647 in megabits/s"); |
| } |
| |
| private static void assertSetInvalidThroughputMbit(String throughput) |
| { |
| ToolResult tool = invokeNodetool("setstreamthroughput", throughput); |
| assertThat(tool.getExitCode()).isEqualTo(1); |
| assertThat(tool.getStdout()).contains("Invalid data rate: 2147483647 megabits per second; stream_throughput_outbound " + |
| "and inter_dc_stream_throughput_outbound should be between 0 and 2147483646 in megabits per second"); |
| } |
| |
| private static void assertSetGetMoreFlagsIsInvalid() |
| { |
| ToolResult tool = invokeNodetool("setstreamthroughput", "-m", "5", "-e", "5"); |
| assertThat(tool.getExitCode()).isEqualTo(1); |
| assertThat(tool.getStdout()).contains("You cannot use -e and -m at the same time"); |
| |
| tool = invokeNodetool("getstreamthroughput", "-m", "-e"); |
| assertThat(tool.getExitCode()).isEqualTo(1); |
| assertThat(tool.getStdout()).contains("You cannot use more than one flag with this command"); |
| |
| tool = invokeNodetool("getstreamthroughput", "-m", "-d"); |
| assertThat(tool.getExitCode()).isEqualTo(1); |
| assertThat(tool.getStdout()).contains("You cannot use more than one flag with this command"); |
| |
| tool = invokeNodetool("getstreamthroughput", "-d", "-e"); |
| assertThat(tool.getExitCode()).isEqualTo(1); |
| assertThat(tool.getStdout()).contains("You cannot use more than one flag with this command"); |
| |
| tool = invokeNodetool("getstreamthroughput", "-m", "-e", "-d"); |
| assertThat(tool.getExitCode()).isEqualTo(1); |
| assertThat(tool.getStdout()).contains("You cannot use more than one flag with this command"); |
| } |
| |
| private static void assertGetThroughput(int expected) |
| { |
| ToolResult tool = invokeNodetool("getstreamthroughput"); |
| tool.assertOnCleanExit(); |
| |
| if (expected > 0) |
| assertThat(tool.getStdout()).contains("Current stream throughput: " + expected + " Mb/s"); |
| else |
| assertThat(tool.getStdout()).contains("Current stream throughput: unlimited"); |
| } |
| |
| private static void assertGetThroughputMiB(double expected) |
| { |
| ToolResult tool = invokeNodetool("getstreamthroughput", "-m"); |
| tool.assertOnCleanExit(); |
| |
| if (expected > 0) |
| assertThat(tool.getStdout()).contains("Current stream throughput: " + expected + " MiB/s"); |
| else |
| assertThat(tool.getStdout()).contains("Current stream throughput: unlimited"); |
| } |
| } |