org.elasticsearch.index.engine.FlushingRecoveryCounter Maven / Gradle / Ivy
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.index.engine;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.common.logging.ESLogger;
import org.elasticsearch.index.shard.IllegalIndexShardStateException;
import org.elasticsearch.index.store.Store;
/**
* A special {@link RecoveryCounter} that flushes the engine when all
* recoveries have completed
*/
public final class FlushingRecoveryCounter extends RecoveryCounter {
private final Engine engine;
private final ESLogger logger;
private final Store store;
FlushingRecoveryCounter(Engine engine, Store store, ESLogger logger) {
super(store);
this.engine = engine;
this.logger = logger;
this.store = store;
}
int endRecovery() throws ElasticsearchException {
store.incRef();
try {
int left = super.endRecovery();
if (left == 0) {
try {
engine.flush();
} catch (IllegalIndexShardStateException | FlushNotAllowedEngineException e) {
// we are being closed, or in created state, ignore
// OR, we are not allowed to perform flush, ignore
} catch (Throwable e) {
logger.warn("failed to flush shard post recovery", e);
}
}
return left;
} finally {
store.decRef();
}
}
}