| /* |
| * 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.geode.internal.offheap; |
| |
| import static org.apache.geode.distributed.ConfigurationProperties.LOCATORS; |
| import static org.apache.geode.distributed.ConfigurationProperties.MCAST_PORT; |
| import static org.apache.geode.test.awaitility.GeodeAwaitility.await; |
| import static org.junit.Assert.fail; |
| |
| import java.util.Properties; |
| |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import org.apache.geode.cache.CacheFactory; |
| import org.apache.geode.cache.DiskStore; |
| import org.apache.geode.cache.DiskStoreFactory; |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.RegionFactory; |
| import org.apache.geode.cache.RegionShortcut; |
| import org.apache.geode.distributed.ConfigurationProperties; |
| import org.apache.geode.internal.cache.GemFireCacheImpl; |
| import org.apache.geode.test.junit.categories.OffHeapTest; |
| |
| /** |
| * Test to reproduce GEODE-2097. |
| */ |
| @Category({OffHeapTest.class}) |
| public class OffHeapLRURecoveryRegressionTest { |
| |
| static final String DS_NAME = "OffHeapLRURecoveryRegressionTestDS"; |
| |
| /** |
| * Test populates an offheap heaplru persistent region that contains more data than can fit in |
| * offheap memory. It then recovers the region to demonstrate that recovering this data will not |
| * try to put everything into offheap but instead leave some of it on disk. |
| */ |
| @Test |
| public void recoveringTooMuchDataDoesNotRunOutOfOffHeapMemory() { |
| final int ENTRY_COUNT = 40; |
| GemFireCacheImpl gfc = createCache(); |
| try { |
| Region<Object, Object> r = createRegion(gfc); |
| byte[] v = new byte[1024 * 1024]; |
| for (int i = 0; i < ENTRY_COUNT; i++) { |
| r.put(i, v); |
| } |
| } finally { |
| closeCache(gfc); |
| } |
| await().until(() -> { |
| return MemoryAllocatorImpl.getAllocator().getStats().getObjects() == 0; |
| }); |
| System.setProperty("gemfire.disk.recoverValuesSync", "true"); |
| System.setProperty("gemfire.disk.recoverLruValues", "true"); |
| try { |
| gfc = createCache(); |
| try { |
| createDiskStore(gfc); |
| try { |
| int offHeapObjects = MemoryAllocatorImpl.getAllocator().getStats().getObjects(); |
| if (offHeapObjects < 10) { |
| fail("expected at least 10 offheap values to be recovered but only did " |
| + offHeapObjects); |
| } |
| if (offHeapObjects == ENTRY_COUNT) { |
| // Why "== ENTRY_COUNT" instead of "== 10"? |
| // As we recover values we asynchronously notify the resource manager |
| // of how much off-heap memory was consumed. Once it sees we are over |
| // the LRU limit then recovery of values will stop happening. |
| // Since it is async it can allow us to exceed the LRU limit. |
| // So far this test usually sees 10 but sometimes sees 11. |
| // I allow up to ENTRY_COUNT-1 just to prevent intermittent test failures. |
| // We should consider changing this async notification to be sync so |
| // that the limit can not be exceeded. |
| fail("expected at most " + (ENTRY_COUNT - 1) |
| + " offheap values to be recovered but actually did " + offHeapObjects); |
| } |
| } finally { |
| DiskStore ds = gfc.findDiskStore(DS_NAME); |
| ds.destroy(); |
| } |
| } finally { |
| closeCache(gfc); |
| } |
| } finally { |
| System.clearProperty("gemfire.disk.recoverValuesSync"); |
| System.clearProperty("gemfire.disk.recoverLruValues"); |
| } |
| } |
| |
| private GemFireCacheImpl createCache() { |
| Properties props = new Properties(); |
| props.setProperty(LOCATORS, ""); |
| props.setProperty(MCAST_PORT, "0"); |
| props.setProperty(ConfigurationProperties.OFF_HEAP_MEMORY_SIZE, "20m"); |
| GemFireCacheImpl result = (GemFireCacheImpl) new CacheFactory(props).create(); |
| result.getResourceManager().setEvictionOffHeapPercentage(50.0f); |
| return result; |
| } |
| |
| private void createDiskStore(GemFireCacheImpl gfc) { |
| DiskStoreFactory dsf = gfc.createDiskStoreFactory(); |
| dsf.create(DS_NAME); |
| } |
| |
| private Region<Object, Object> createRegion(GemFireCacheImpl gfc) { |
| createDiskStore(gfc); |
| RegionFactory<Object, Object> rf = |
| gfc.createRegionFactory(RegionShortcut.LOCAL_PERSISTENT_OVERFLOW); |
| rf.setOffHeap(true); |
| rf.setDiskStoreName(DS_NAME); |
| Region<Object, Object> r = rf.create("OffHeapLRURecoveryRegressionTestRegion"); |
| return r; |
| } |
| |
| private void closeCache(GemFireCacheImpl gfc) { |
| gfc.close(); |
| } |
| } |