| /* |
| * 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. |
| */ |
| |
| namespace Apache.Ignite.Core.Tests.Cache |
| { |
| using System; |
| using System.IO; |
| using System.Linq; |
| using System.Threading; |
| using Apache.Ignite.Core.Cache.Configuration; |
| using Apache.Ignite.Core.Configuration; |
| using NUnit.Framework; |
| |
| /// <summary> |
| /// Data region metrics test. |
| /// </summary> |
| public class DataRegionMetricsTest |
| { |
| /** */ |
| private const string RegionWithMetrics = "regWithMetrics"; |
| |
| /** */ |
| private const string RegionNoMetrics = "regNoMetrics"; |
| |
| /** */ |
| private const string RegionWithMetricsAndPersistence = "regWithMetricsAndPersistence"; |
| |
| /** System page size overhead, see PageMemoryNoStoreImpl.PAGE_OVERHEAD. */ |
| private const int PageOverhead = 24; |
| |
| /** Persistent page size overhead, see PageMemoryImpl.PAGE_OVERHEAD. */ |
| private const int PersistentPageOverhead = 48; |
| |
| /** */ |
| private static readonly TimeSpan CheckpointFrequency = TimeSpan.FromSeconds(5); |
| |
| /** Temp dir for PDS. */ |
| private static readonly string TempDir = PathUtils.GetTempDirectoryName(); |
| |
| /// <summary> |
| /// Tests the memory metrics. |
| /// </summary> |
| [Test] |
| public void TestMemoryMetrics() |
| { |
| var ignite = StartIgniteWithThreeDataRegions(); |
| |
| // Verify metrics. |
| var metrics = ignite.GetDataRegionMetrics() |
| .OrderBy(x => x.Name, StringComparer.InvariantCultureIgnoreCase).ToArray(); |
| |
| var names = metrics.Select(x => x.Name).ToArray(); |
| |
| Assert.AreEqual( |
| new[] |
| { |
| "metastoreMemPlc", |
| RegionNoMetrics, |
| RegionWithMetrics, |
| RegionWithMetricsAndPersistence, |
| "sysMemPlc", |
| "volatileDsMemPlc" |
| }, |
| names, |
| string.Join(", ", names)); |
| |
| var emptyMetrics = metrics[1]; |
| Assert.AreEqual(RegionNoMetrics, emptyMetrics.Name); |
| AssertMetricsAreEmpty(emptyMetrics); |
| |
| var memMetrics = metrics[2]; |
| Assert.AreEqual(RegionWithMetrics, memMetrics.Name); |
| Assert.Greater(memMetrics.AllocationRate, 0); |
| Assert.AreEqual(0, memMetrics.EvictionRate); |
| Assert.AreEqual(0, memMetrics.LargeEntriesPagesPercentage); |
| Assert.Greater(memMetrics.PageFillFactor, 0); |
| Assert.Greater(memMetrics.TotalAllocatedPages, 1000); |
| Assert.Greater(memMetrics.PhysicalMemoryPages, 1000); |
| Assert.AreEqual(memMetrics.TotalAllocatedSize, |
| memMetrics.TotalAllocatedPages * (memMetrics.PageSize + PageOverhead)); |
| Assert.AreEqual(memMetrics.PhysicalMemorySize, |
| memMetrics.PhysicalMemoryPages * (memMetrics.PageSize + PageOverhead)); |
| Assert.Greater(memMetrics.OffHeapSize, memMetrics.PhysicalMemoryPages); |
| Assert.Greater(memMetrics.OffheapUsedSize, memMetrics.PhysicalMemoryPages); |
| |
| var sysMetrics = metrics[4]; |
| Assert.AreEqual("sysMemPlc", sysMetrics.Name); |
| AssertMetricsAreEmpty(sysMetrics); |
| |
| var volatileMetrics = metrics[5]; |
| Assert.AreEqual("volatileDsMemPlc", volatileMetrics.Name); |
| AssertMetricsAreEmpty(volatileMetrics); |
| |
| // Metrics by name. |
| // In-memory region. |
| emptyMetrics = ignite.GetDataRegionMetrics(RegionNoMetrics); |
| Assert.AreEqual(RegionNoMetrics, emptyMetrics.Name); |
| AssertMetricsAreEmpty(emptyMetrics); |
| |
| // Persistence region. |
| memMetrics = ignite.GetDataRegionMetrics(RegionWithMetrics); |
| Assert.AreEqual(RegionWithMetrics, memMetrics.Name); |
| AssertMetrics(memMetrics, false); |
| |
| memMetrics = ignite.GetDataRegionMetrics(RegionWithMetricsAndPersistence); |
| Assert.AreEqual(RegionWithMetricsAndPersistence, memMetrics.Name); |
| AssertMetrics(memMetrics, true); |
| |
| sysMetrics = ignite.GetDataRegionMetrics("sysMemPlc"); |
| Assert.AreEqual("sysMemPlc", sysMetrics.Name); |
| AssertMetricsAreEmpty(sysMetrics); |
| |
| volatileMetrics = ignite.GetDataRegionMetrics("volatileDsMemPlc"); |
| Assert.AreEqual("volatileDsMemPlc", volatileMetrics.Name); |
| AssertMetricsAreEmpty(volatileMetrics); |
| |
| // Invalid name. |
| Assert.IsNull(ignite.GetDataRegionMetrics("boo")); |
| } |
| |
| /// <summary> |
| /// Check metrics values for data region. |
| /// </summary> |
| /// <param name="metrics">Data region metrics.</param> |
| /// <param name="isPersistent">If data region is persistent.</param> |
| private static void AssertMetrics(IDataRegionMetrics metrics, bool isPersistent) |
| { |
| Assert.Greater(metrics.AllocationRate, 0); |
| Assert.AreEqual(0, metrics.EvictionRate); |
| Assert.AreEqual(0, metrics.LargeEntriesPagesPercentage); |
| Assert.Greater(metrics.PageFillFactor, 0); |
| Assert.Greater(metrics.TotalAllocatedPages, isPersistent ? 0 : 1000); |
| Assert.Greater(metrics.PhysicalMemoryPages, isPersistent ? 0 : 1000); |
| Assert.AreEqual(metrics.TotalAllocatedSize, |
| metrics.TotalAllocatedPages * (metrics.PageSize + (isPersistent ? PersistentPageOverhead : PageOverhead))); |
| Assert.AreEqual(metrics.PhysicalMemorySize, |
| metrics.PhysicalMemoryPages * (metrics.PageSize + (isPersistent ? PersistentPageOverhead : PageOverhead))); |
| Assert.Greater(metrics.OffHeapSize, metrics.PhysicalMemoryPages); |
| Assert.Greater(metrics.OffheapUsedSize, metrics.PhysicalMemoryPages); |
| |
| if (isPersistent) |
| { |
| Assert.Greater(metrics.PagesRead, 0); |
| Assert.Greater(metrics.PagesWritten, 0); |
| Assert.AreEqual(0, metrics.PagesReplaced); |
| Assert.AreEqual(0, metrics.UsedCheckpointBufferPages); |
| Assert.AreEqual(0, metrics.UsedCheckpointBufferSize); |
| Assert.Greater(metrics.CheckpointBufferSize, 0); |
| #pragma warning disable 618 |
| Assert.AreEqual(0, metrics.CheckpointBufferPages); |
| #pragma warning restore 618 |
| } |
| } |
| |
| /// <summary> |
| /// Asserts that metrics are empty. |
| /// </summary> |
| private static void AssertMetricsAreEmpty(IDataRegionMetrics metrics) |
| { |
| Assert.AreEqual(0, metrics.AllocationRate); |
| Assert.AreEqual(0, metrics.EvictionRate); |
| Assert.AreEqual(0, metrics.LargeEntriesPagesPercentage); |
| Assert.AreEqual(0, metrics.PageFillFactor); |
| Assert.AreEqual(0, metrics.OffheapUsedSize); |
| } |
| |
| /// <summary> |
| /// Starts the ignite with three policies (two in-memory and one persistent). |
| /// </summary> |
| private static IIgnite StartIgniteWithThreeDataRegions() |
| { |
| var cfg = new IgniteConfiguration(TestUtils.GetTestConfiguration()) |
| { |
| DataStorageConfiguration = new DataStorageConfiguration() |
| { |
| CheckpointFrequency = CheckpointFrequency, |
| MetricsEnabled = true, |
| WalMode = WalMode.LogOnly, |
| DefaultDataRegionConfiguration = new DataRegionConfiguration |
| { |
| Name = RegionWithMetrics, |
| PersistenceEnabled = false, |
| MetricsEnabled = true |
| }, |
| DataRegionConfigurations = new[] |
| { |
| new DataRegionConfiguration |
| { |
| Name = RegionNoMetrics, |
| MetricsEnabled = false |
| }, |
| new DataRegionConfiguration() |
| { |
| Name = RegionWithMetricsAndPersistence, |
| PersistenceEnabled = true, |
| MetricsEnabled = true |
| } |
| } |
| }, |
| WorkDirectory = TempDir |
| }; |
| |
| var ignite = Ignition.Start(cfg); |
| |
| ignite.GetCluster().SetActive(true); |
| |
| // Create caches and do some things with them. |
| var cacheNoMetrics = ignite.CreateCache<int, int>(new CacheConfiguration("cacheNoMetrics") |
| { |
| DataRegionName = RegionNoMetrics |
| }); |
| |
| cacheNoMetrics.Put(1, 1); |
| cacheNoMetrics.Get(1); |
| |
| var cacheWithMetrics = ignite.CreateCache<int, int>(new CacheConfiguration("cacheWithMetrics") |
| { |
| DataRegionName = RegionWithMetrics |
| }); |
| |
| cacheWithMetrics.Put(1, 1); |
| cacheWithMetrics.Get(1); |
| |
| var cacheWithMetricsAndPersistence = |
| ignite.CreateCache<int, int>(new CacheConfiguration("cacheWithMetricsAndPersistence") |
| { |
| DataRegionName = RegionWithMetricsAndPersistence |
| }); |
| |
| cacheWithMetricsAndPersistence.Put(1, 1); |
| cacheWithMetricsAndPersistence.Get(1); |
| |
| // Wait for checkpoint. Wait for two times than CheckpointFrequency. |
| Thread.Sleep(CheckpointFrequency.Add(CheckpointFrequency)); |
| |
| return ignite; |
| } |
| |
| /// <summary> |
| /// Tears down the test. |
| /// </summary> |
| [TearDown] |
| public void TearDown() |
| { |
| Ignition.StopAll(true); |
| |
| Directory.Delete(TempDir, true); |
| } |
| } |
| } |