org.apache.bookkeeper.mledger.ManagedLedgerFactoryConfig 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 org.apache.bookkeeper.mledger;
import lombok.Data;
import org.apache.bookkeeper.common.annotation.InterfaceAudience;
import org.apache.bookkeeper.common.annotation.InterfaceStability;
import org.apache.bookkeeper.mledger.proto.MLDataFormats;
/**
* Configuration for a {@link ManagedLedgerFactory}.
*/
@InterfaceAudience.LimitedPrivate
@InterfaceStability.Stable
@Data
public class ManagedLedgerFactoryConfig {
private static final long MB = 1024 * 1024;
private long maxCacheSize = 128 * MB;
/**
* The cache eviction watermark is the percentage of the cache size to reach when removing entries from the cache.
*/
private double cacheEvictionWatermark = 0.90;
private int numManagedLedgerWorkerThreads = Runtime.getRuntime().availableProcessors();
private int numManagedLedgerSchedulerThreads = Runtime.getRuntime().availableProcessors();
/**
* Interval of cache eviction triggering. Default is 10 ms times.
*/
private long cacheEvictionIntervalMs = 10;
/**
* All entries that have stayed in cache for more than the configured time, will be evicted.
*/
private long cacheEvictionTimeThresholdMillis = 1000;
/**
* Whether we should make a copy of the entry payloads when inserting in cache.
*/
private boolean copyEntriesInCache = false;
/**
* Whether trace managed ledger task execution time.
*/
private boolean traceTaskExecution = true;
/**
* Managed ledger prometheus stats Latency Rollover Seconds.
*/
private int prometheusStatsLatencyRolloverSeconds = 60;
/**
* How frequently to flush the cursor positions that were accumulated due to rate limiting.
*/
private int cursorPositionFlushSeconds = 60;
/**
* How frequently to refresh the stats.
*/
private int statsPeriodSeconds = 60;
/**
* cluster name for prometheus stats.
*/
private String clusterName;
/**
* ManagedLedgerInfo compression type. If the compression type is null or invalid, don't compress data.
*/
private String managedLedgerInfoCompressionType = MLDataFormats.CompressionType.NONE.name();
/**
* ManagedCursorInfo compression type. If the compression type is null or invalid, don't compress data.
*/
private String managedCursorInfoCompressionType = MLDataFormats.CompressionType.NONE.name();
}