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HBASE-26271 Cleanup the broken store files under data directory (apac…
…he#3786) Signed-off-by: Duo Zhang <[email protected]> Signed-off-by: Josh Elser <[email protected]> Signed-off-by: Wellington Ramos Chevreuil <[email protected]>
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hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/BrokenStoreFileCleaner.java
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| @@ -0,0 +1,202 @@ | ||
| /** | ||
| * 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 | ||
| * <p> | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * <p> | ||
| * 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.hadoop.hbase.regionserver; | ||
|
|
||
| import java.io.IOException; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.concurrent.atomic.AtomicBoolean; | ||
| import java.util.concurrent.atomic.AtomicLong; | ||
| import org.apache.hadoop.conf.Configuration; | ||
| import org.apache.hadoop.fs.FileStatus; | ||
| import org.apache.hadoop.fs.Path; | ||
| import org.apache.hadoop.hbase.ScheduledChore; | ||
| import org.apache.hadoop.hbase.Stoppable; | ||
| import org.apache.hadoop.hbase.io.HFileLink; | ||
| import org.apache.hadoop.hbase.util.EnvironmentEdgeManager; | ||
| import org.apache.hadoop.ipc.RemoteException; | ||
| import org.apache.yetus.audience.InterfaceAudience; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| /** | ||
| * This Chore, every time it runs, will clear the unsused HFiles in the data | ||
| * folder. | ||
| */ | ||
| @InterfaceAudience.Private | ||
| public class BrokenStoreFileCleaner extends ScheduledChore { | ||
| private static final Logger LOG = LoggerFactory.getLogger(BrokenStoreFileCleaner.class); | ||
| public static final String BROKEN_STOREFILE_CLEANER_ENABLED = | ||
| "hbase.region.broken.storefilecleaner.enabled"; | ||
| public static final boolean DEFAULT_BROKEN_STOREFILE_CLEANER_ENABLED = false; | ||
| public static final String BROKEN_STOREFILE_CLEANER_TTL = | ||
| "hbase.region.broken.storefilecleaner.ttl"; | ||
| public static final long DEFAULT_BROKEN_STOREFILE_CLEANER_TTL = 1000 * 60 * 60 * 12; //12h | ||
| public static final String BROKEN_STOREFILE_CLEANER_DELAY = | ||
| "hbase.region.broken.storefilecleaner.delay"; | ||
| public static final int DEFAULT_BROKEN_STOREFILE_CLEANER_DELAY = 1000 * 60 * 60 * 2; //2h | ||
| public static final String BROKEN_STOREFILE_CLEANER_DELAY_JITTER = | ||
| "hbase.region.broken.storefilecleaner.delay.jitter"; | ||
| public static final double DEFAULT_BROKEN_STOREFILE_CLEANER_DELAY_JITTER = 0.25D; | ||
| public static final String BROKEN_STOREFILE_CLEANER_PERIOD = | ||
| "hbase.region.broken.storefilecleaner.period"; | ||
| public static final int DEFAULT_BROKEN_STOREFILE_CLEANER_PERIOD = 1000 * 60 * 60 * 6; //6h | ||
|
|
||
| private HRegionServer regionServer; | ||
| private final AtomicBoolean enabled = new AtomicBoolean(true); | ||
| private long fileTtl; | ||
|
|
||
| public BrokenStoreFileCleaner(final int delay, final int period, final Stoppable stopper, | ||
| Configuration conf, HRegionServer regionServer) { | ||
| super("BrokenStoreFileCleaner", stopper, period, delay); | ||
| this.regionServer = regionServer; | ||
| setEnabled( | ||
| conf.getBoolean(BROKEN_STOREFILE_CLEANER_ENABLED, DEFAULT_BROKEN_STOREFILE_CLEANER_ENABLED)); | ||
| fileTtl = conf.getLong(BROKEN_STOREFILE_CLEANER_TTL, DEFAULT_BROKEN_STOREFILE_CLEANER_TTL); | ||
| } | ||
|
|
||
| public boolean setEnabled(final boolean enabled) { | ||
| return this.enabled.getAndSet(enabled); | ||
| } | ||
|
|
||
| public boolean getEnabled() { | ||
| return this.enabled.get(); | ||
| } | ||
|
|
||
| @Override | ||
| public void chore() { | ||
| if (getEnabled()) { | ||
| long start = EnvironmentEdgeManager.currentTime(); | ||
| AtomicLong deletedFiles = new AtomicLong(0); | ||
| AtomicLong failedDeletes = new AtomicLong(0); | ||
| for (HRegion region : regionServer.getRegions()) { | ||
| for (HStore store : region.getStores()) { | ||
| //only do cleanup in stores not using tmp directories | ||
| if (store.getStoreEngine().requireWritingToTmpDirFirst()) { | ||
| continue; | ||
| } | ||
| Path storePath = | ||
| new Path(region.getRegionFileSystem().getRegionDir(), store.getColumnFamilyName()); | ||
|
|
||
| try { | ||
| List<FileStatus> fsStoreFiles = | ||
| Arrays.asList(region.getRegionFileSystem().fs.listStatus(storePath)); | ||
| fsStoreFiles.forEach( | ||
| file -> cleanFileIfNeeded(file, store, deletedFiles, failedDeletes)); | ||
| } catch (IOException e) { | ||
| LOG.warn("Failed to list files in {}, cleanup is skipped there",storePath); | ||
| continue; | ||
| } | ||
| } | ||
| } | ||
| LOG.debug( | ||
| "BrokenStoreFileCleaner on {} run for: {}ms. It deleted {} files and tried but failed " | ||
| + "to delete {}", | ||
| regionServer.getServerName().getServerName(), EnvironmentEdgeManager.currentTime() - start, | ||
| deletedFiles.get(), failedDeletes.get()); | ||
| } else { | ||
| LOG.trace("Broken storefile Cleaner chore disabled! Not cleaning."); | ||
| } | ||
| } | ||
|
|
||
| private void cleanFileIfNeeded(FileStatus file, HStore store, | ||
| AtomicLong deletedFiles, AtomicLong failedDeletes) { | ||
| if(file.isDirectory()){ | ||
| LOG.trace("This is a Directory {}, skip cleanup", file.getPath()); | ||
| return; | ||
| } | ||
|
|
||
| if(!validate(file.getPath())){ | ||
| LOG.trace("Invalid file {}, skip cleanup", file.getPath()); | ||
| return; | ||
| } | ||
|
|
||
| if(!isOldEnough(file)){ | ||
| LOG.trace("Fresh file {}, skip cleanup", file.getPath()); | ||
| return; | ||
| } | ||
|
|
||
| if(isActiveStorefile(file, store)){ | ||
| LOG.trace("Actively used storefile file {}, skip cleanup", file.getPath()); | ||
| return; | ||
| } | ||
|
|
||
| // Compacted files can still have readers and are cleaned by a separate chore, so they have to | ||
| // be skipped here | ||
| if(isCompactedFile(file, store)){ | ||
| LOG.trace("Cleanup is done by a different chore for file {}, skip cleanup", file.getPath()); | ||
| return; | ||
| } | ||
|
|
||
| if(isCompactionResultFile(file, store)){ | ||
| LOG.trace("The file is the result of an ongoing compaction {}, skip cleanup", file.getPath()); | ||
| return; | ||
| } | ||
|
|
||
| deleteFile(file, store, deletedFiles, failedDeletes); | ||
| } | ||
|
|
||
| private boolean isCompactionResultFile(FileStatus file, HStore store) { | ||
| return store.getStoreEngine().getCompactor().getCompactionTargets().contains(file.getPath()); | ||
| } | ||
|
|
||
| // Compacted files can still have readers and are cleaned by a separate chore, so they have to | ||
| // be skipped here | ||
| private boolean isCompactedFile(FileStatus file, HStore store) { | ||
| return store.getStoreEngine().getStoreFileManager().getCompactedfiles().stream() | ||
| .anyMatch(sf -> sf.getPath().equals(file.getPath())); | ||
| } | ||
|
|
||
| private boolean isActiveStorefile(FileStatus file, HStore store) { | ||
| return store.getStoreEngine().getStoreFileManager().getStorefiles().stream() | ||
| .anyMatch(sf -> sf.getPath().equals(file.getPath())); | ||
| } | ||
|
|
||
| boolean validate(Path file) { | ||
| if (HFileLink.isBackReferencesDir(file) || HFileLink.isBackReferencesDir(file.getParent())) { | ||
| return true; | ||
| } | ||
| return StoreFileInfo.validateStoreFileName(file.getName()); | ||
| } | ||
|
|
||
| boolean isOldEnough(FileStatus file){ | ||
| return file.getModificationTime() + fileTtl < EnvironmentEdgeManager.currentTime(); | ||
| } | ||
|
|
||
| private void deleteFile(FileStatus file, HStore store, AtomicLong deletedFiles, | ||
| AtomicLong failedDeletes) { | ||
| Path filePath = file.getPath(); | ||
| LOG.debug("Removing {} from store", filePath); | ||
| try { | ||
| boolean success = store.getFileSystem().delete(filePath, false); | ||
| if (!success) { | ||
| failedDeletes.incrementAndGet(); | ||
| LOG.warn("Attempted to delete:" + filePath | ||
| + ", but couldn't. Attempt to delete on next pass."); | ||
| } | ||
| else{ | ||
| deletedFiles.incrementAndGet(); | ||
| } | ||
| } catch (IOException e) { | ||
| e = e instanceof RemoteException ? | ||
| ((RemoteException)e).unwrapRemoteException() : e; | ||
| LOG.warn("Error while deleting: " + filePath, e); | ||
| } | ||
| } | ||
|
|
||
| } |
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