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org.rocksdb.CompactionStyle Maven / Gradle / Ivy
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RocksDB fat jar to use with Apache Flink
that contains .so files for linux32 and linux64, jnilib files for Mac OSX, and a .dll for Windows x64.
The newest version!
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
package org.rocksdb;
/**
* Enum CompactionStyle
*
* RocksDB supports different styles of compaction. Available
* compaction styles can be chosen using this enumeration.
*
*
* - LEVEL - Level based Compaction style
* - UNIVERSAL - Universal Compaction Style is a
* compaction style, targeting the use cases requiring lower write
* amplification, trading off read amplification and space
* amplification.
* - FIFO - FIFO compaction style is the simplest
* compaction strategy. It is suited for keeping event log data with
* very low overhead (query log for example). It periodically deletes
* the old data, so it's basically a TTL compaction style.
*
*
* @see
* Universal Compaction
* @see
* FIFO Compaction
*/
public enum CompactionStyle {
LEVEL((byte) 0),
UNIVERSAL((byte) 1),
FIFO((byte) 2);
private final byte value_;
private CompactionStyle(byte value) {
value_ = value;
}
/**
* Returns the byte value of the enumerations value
*
* @return byte representation
*/
public byte getValue() {
return value_;
}
}
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