sashapolo commented on code in PR #892: URL: https://github.com/apache/ignite-3/pull/892#discussion_r905892136
########## modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/configuration/schema/PersistentPageMemoryDataRegionConfigurationSchema.java: ########## @@ -0,0 +1,58 @@ +/* + * 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.ignite.internal.pagememory.configuration.schema; + +import static org.apache.ignite.internal.util.Constants.MiB; + +import org.apache.ignite.configuration.annotation.Config; +import org.apache.ignite.configuration.annotation.Value; +import org.apache.ignite.configuration.validation.OneOf; + +/** + * Persistent data region configuration schema. + */ +@Config +public class PersistentPageMemoryDataRegionConfigurationSchema extends BasePageMemoryDataRegionConfigurationSchema { + /** Default max size. */ + public static final long DFLT_DATA_REGION_SIZE = 256 * MiB; + + /** Random-LRU algorithm. */ + public static final String RANDOM_LRU_REPLACEMENT_MODE = "RANDOM_LRU"; + + /** Segmented-LRU algorithm. */ + public static final String SEGMENTED_LRU_REPLACEMENT_MODE = "SEGMENTED_LRU"; + + /** CLOCK algorithm. */ + public static final String CLOCK_REPLACEMENT_MODE = "CLOCK"; + + /** Memory region size in bytes. */ + @Value(hasDefault = true) + public long size = DFLT_DATA_REGION_SIZE; + + /** Memory pages replacement mode. */ + @OneOf({RANDOM_LRU_REPLACEMENT_MODE, SEGMENTED_LRU_REPLACEMENT_MODE, CLOCK_REPLACEMENT_MODE}) + @Value(hasDefault = true) + public String replacementMode = CLOCK_REPLACEMENT_MODE; + + /** + * Write to the page store without holding the segment lock (with a delay). Because other thread may require exactly the same page to be Review Comment: That would be perfect, thank you -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: notifications-unsubscr...@ignite.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
