kafka.log.CleanerConfig.scala Maven / Gradle / Ivy
/**
* 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 kafka.log
/**
* Configuration parameters for the log cleaner
*
* @param numThreads The number of cleaner threads to run
* @param dedupeBufferSize The total memory used for log deduplication
* @param dedupeBufferLoadFactor The maximum percent full for the deduplication buffer
* @param maxMessageSize The maximum size of a message that can appear in the log
* @param maxIoBytesPerSecond The maximum read and write I/O that all cleaner threads are allowed to do
* @param backOffMs The amount of time to wait before rechecking if no logs are eligible for cleaning
* @param enableCleaner Allows completely disabling the log cleaner
* @param hashAlgorithm The hash algorithm to use in key comparison.
*/
case class CleanerConfig(numThreads: Int = 1,
dedupeBufferSize: Long = 4*1024*1024L,
dedupeBufferLoadFactor: Double = 0.9d,
ioBufferSize: Int = 1024*1024,
maxMessageSize: Int = 32*1024*1024,
maxIoBytesPerSecond: Double = Double.MaxValue,
backOffMs: Long = 15 * 1000,
enableCleaner: Boolean = true,
hashAlgorithm: String = "MD5") {
}