| /* |
| * 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.hints; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.cassandra.concurrent.ScheduledExecutors; |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.service.StorageService; |
| |
| import static org.apache.cassandra.utils.Clock.Global.currentTimeMillis; |
| |
| /** |
| * Delete the expired orphaned hints files. |
| * An orphaned file is considered as no associating endpoint with its host ID. |
| * An expired file is one that has lived longer than the largest gcgs of all tables. |
| */ |
| final class HintsCleanupTrigger implements Runnable |
| { |
| private static final Logger logger = LoggerFactory.getLogger(HintsCleanupTrigger.class); |
| private final HintsCatalog hintsCatalog; |
| private final HintsDispatchExecutor dispatchExecutor; |
| |
| HintsCleanupTrigger(HintsCatalog catalog, HintsDispatchExecutor dispatchExecutor) |
| { |
| this.hintsCatalog = catalog; |
| this.dispatchExecutor = dispatchExecutor; |
| } |
| |
| public void run() |
| { |
| if (!DatabaseDescriptor.isAutoHintsCleanupEnabled()) |
| return; |
| |
| hintsCatalog.stores() |
| .filter(store -> StorageService.instance.getEndpointForHostId(store.hostId) == null) |
| .forEach(this::cleanup); |
| } |
| |
| private void cleanup(HintsStore hintsStore) |
| { |
| logger.info("Found orphaned hints files for host: {}. Try to delete.", hintsStore.hostId); |
| |
| // The host ID has been replaced and the store is still writing hint for the old host |
| if (hintsStore.isWriting()) |
| hintsStore.closeWriter(); |
| |
| // Interrupt the dispatch if any. At this step, it is certain that the hintsStore is orphaned. |
| dispatchExecutor.interruptDispatch(hintsStore.hostId); |
| Runnable cleanup = () -> hintsStore.deleteExpiredHints(currentTimeMillis()); |
| ScheduledExecutors.optionalTasks.execute(cleanup); |
| } |
| } |