| /* |
| * 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.iceberg; |
| |
| /** |
| * Configuration properties that are controlled by Java system properties. |
| * |
| * @deprecated Use {@link SystemConfigs} instead; will be removed in 2.0.0 |
| */ |
| @Deprecated |
| public class SystemProperties { |
| |
| private SystemProperties() {} |
| |
| /** |
| * Sets the size of the worker pool. The worker pool limits the number of tasks concurrently |
| * processing manifests in the base table implementation across all concurrent planning or commit |
| * operations. |
| */ |
| public static final String WORKER_THREAD_POOL_SIZE_PROP = "iceberg.worker.num-threads"; |
| |
| /** Whether to use the shared worker pool when planning table scans. */ |
| public static final String SCAN_THREAD_POOL_ENABLED = "iceberg.scan.plan-in-worker-pool"; |
| |
| /** |
| * Maximum number of distinct {@link org.apache.iceberg.io.FileIO} that is allowed to have |
| * associated {@link org.apache.iceberg.io.ContentCache} in memory at a time. |
| */ |
| public static final String IO_MANIFEST_CACHE_MAX_FILEIO = "iceberg.io.manifest.cache.fileio-max"; |
| |
| public static final int IO_MANIFEST_CACHE_MAX_FILEIO_DEFAULT = 8; |
| |
| static boolean getBoolean(String systemProperty, boolean defaultValue) { |
| String value = System.getProperty(systemProperty); |
| if (value != null) { |
| return Boolean.parseBoolean(value); |
| } |
| |
| return defaultValue; |
| } |
| } |