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A fork of the Apache Cassandra Project that uses Lucene indexes for providing near real time search such as ElasticSearch or Solr, including full text search capabilities, multi-dimensional queries, and relevance scoring.
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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.cassandra.db.commitlog;
import org.apache.cassandra.config.DatabaseDescriptor;
class BatchCommitLogService extends AbstractCommitLogService
{
public BatchCommitLogService(CommitLog commitLog)
{
super(commitLog, "COMMIT-LOG-WRITER", (int) DatabaseDescriptor.getCommitLogSyncBatchWindow());
}
protected void maybeWaitForSync(CommitLogSegment.Allocation alloc)
{
// wait until record has been safely persisted to disk
pending.incrementAndGet();
alloc.awaitDiskSync();
pending.decrementAndGet();
}
}