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HBASE-26224 Introduce a MigrationStoreFileTracker to support migratin…
…g from different store file tracker implementations (#3656) Signed-off-by: Wellington Chevreuil <[email protected]> Conflicts: hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/storefiletracker/TestMigrationStoreFileTracker.java
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...java/org/apache/hadoop/hbase/regionserver/storefiletracker/MigrationStoreFileTracker.java
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/** | ||
* 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.hadoop.hbase.regionserver.storefiletracker; | ||
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import java.io.IOException; | ||
import java.util.Collection; | ||
import java.util.List; | ||
import org.apache.hadoop.conf.Configuration; | ||
import org.apache.hadoop.hbase.regionserver.StoreContext; | ||
import org.apache.hadoop.hbase.regionserver.StoreFileInfo; | ||
import org.apache.yetus.audience.InterfaceAudience; | ||
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import org.apache.hbase.thirdparty.com.google.common.base.Preconditions; | ||
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/** | ||
* A store file tracker used for migrating between store file tracker implementations. | ||
*/ | ||
@InterfaceAudience.Private | ||
class MigrationStoreFileTracker extends StoreFileTrackerBase { | ||
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public static final String SRC_IMPL = "hbase.store.file-tracker.migration.src.impl"; | ||
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public static final String DST_IMPL = "hbase.store.file-tracker.migration.dst.impl"; | ||
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private final StoreFileTrackerBase src; | ||
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private final StoreFileTrackerBase dst; | ||
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public MigrationStoreFileTracker(Configuration conf, boolean isPrimaryReplica, StoreContext ctx) { | ||
super(conf, isPrimaryReplica, ctx); | ||
this.src = StoreFileTrackerFactory.create(conf, SRC_IMPL, isPrimaryReplica, ctx); | ||
this.dst = StoreFileTrackerFactory.create(conf, DST_IMPL, isPrimaryReplica, ctx); | ||
Preconditions.checkArgument(!src.getClass().equals(dst.getClass()), | ||
"src and dst is the same: %s", src.getClass()); | ||
} | ||
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@Override | ||
public List<StoreFileInfo> load() throws IOException { | ||
List<StoreFileInfo> files = src.load(); | ||
dst.set(files); | ||
return files; | ||
} | ||
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@Override | ||
protected boolean requireWritingToTmpDirFirst() { | ||
// Returns true if either of the two StoreFileTracker returns true. | ||
// For example, if we want to migrate from a tracker implementation which can ignore the broken | ||
// files under data directory to a tracker implementation which can not, if we still allow | ||
// writing in tmp directory directly, we may have some broken files under the data directory and | ||
// then after we finally change the implementation which can not ignore the broken files, we | ||
// will be in trouble. | ||
return src.requireWritingToTmpDirFirst() || dst.requireWritingToTmpDirFirst(); | ||
} | ||
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@Override | ||
protected void doAddNewStoreFiles(Collection<StoreFileInfo> newFiles) throws IOException { | ||
src.doAddNewStoreFiles(newFiles); | ||
dst.doAddNewStoreFiles(newFiles); | ||
} | ||
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@Override | ||
protected void doAddCompactionResults(Collection<StoreFileInfo> compactedFiles, | ||
Collection<StoreFileInfo> newFiles) throws IOException { | ||
src.doAddCompactionResults(compactedFiles, newFiles); | ||
dst.doAddCompactionResults(compactedFiles, newFiles); | ||
} | ||
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@Override | ||
void set(List<StoreFileInfo> files) { | ||
throw new UnsupportedOperationException( | ||
"Should not call this method on " + getClass().getSimpleName()); | ||
} | ||
} |
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