| /* |
| * 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. |
| */ |
| using Apache.Ignite.Core; |
| using Apache.Ignite.Core.Configuration; |
| |
| namespace dotnet_helloworld |
| { |
| public class PersistenceTuning |
| { |
| public static void AdjustingPageSize() |
| { |
| // tag::page-size[] |
| var cfg = new IgniteConfiguration |
| { |
| DataStorageConfiguration = new DataStorageConfiguration |
| { |
| // Changing the page size to 4 KB. |
| PageSize = 4096 |
| } |
| }; |
| // end::page-size[] |
| } |
| |
| public static void KeepWalsSeparately() |
| { |
| // tag::separate-wal[] |
| var cfg = new IgniteConfiguration |
| { |
| DataStorageConfiguration = new DataStorageConfiguration |
| { |
| // Sets a path to the root directory where data and indexes are to be persisted. |
| // It's assumed the directory is on a separated SSD. |
| StoragePath = "/ssd/storage", |
| |
| // Sets a path to the directory where WAL is stored. |
| // It's assumed the directory is on a separated HDD. |
| WalPath = "/wal", |
| |
| // Sets a path to the directory where WAL archive is stored. |
| // The directory is on the same HDD as the WAL. |
| WalArchivePath = "/wal/archive" |
| } |
| }; |
| // end::separate-wal[] |
| } |
| |
| public static void Throttling() |
| { |
| // tag::throttling[] |
| var cfg = new IgniteConfiguration |
| { |
| DataStorageConfiguration = new DataStorageConfiguration |
| { |
| WriteThrottlingEnabled = true |
| } |
| }; |
| // end::throttling[] |
| } |
| |
| public static void CheckpointBufferSize() |
| { |
| // tag::checkpointing-buffer-size[] |
| var cfg = new IgniteConfiguration |
| { |
| DataStorageConfiguration = new DataStorageConfiguration |
| { |
| WriteThrottlingEnabled = true, |
| DefaultDataRegionConfiguration = new DataRegionConfiguration |
| { |
| Name = DataStorageConfiguration.DefaultDataRegionName, |
| PersistenceEnabled = true, |
| |
| // Increasing the buffer size to 1 GB. |
| CheckpointPageBufferSize = 1024L * 1024 * 1024 |
| } |
| } |
| }; |
| // end::checkpointing-buffer-size[] |
| } |
| } |
| } |