ignite-7767 : Updated WalMode values in .NET.

modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/wal/FsyncModeFileWriteAheadLogManager.java

@@ -1499,7 +1499,7 @@ private boolean checkStop() {
 
         /**
          * Background creation of all segments except first. First segment was created in main thread by
-         * {@link FileWriteAheadLogManager#checkOrPrepareFiles()}
+         * {@link FsyncModeFileWriteAheadLogManager#checkOrPrepareFiles()}
          */
         private void allocateRemainingFiles() throws IgniteCheckedException {
             checkFiles(1, true, new IgnitePredicate<Integer>() {
@@ -1663,7 +1663,7 @@ private void compressSegmentToFile(long nextSegment, File raw, File zip)
             int segmentSerializerVer;
 
             try (FileIO fileIO = ioFactory.create(raw)) {
-                IgniteBiTuple<Integer, Boolean> tup = FileWriteAheadLogManager.readSerializerVersionAndCompactedFlag(fileIO);
+                IgniteBiTuple<Integer, Boolean> tup = readSerializerVersionAndCompactedFlag(fileIO);
 
                 segmentSerializerVer = tup.get1();
             }
@@ -2171,7 +2171,7 @@ private class FileWriteHandle extends FileHandle {
         /** */
         private final RecordSerializer serializer;
 
-        /** See {@link FileWriteAheadLogManager#maxWalSegmentSize} */
+        /** See {@link FsyncModeFileWriteAheadLogManager#maxWalSegmentSize} */
         private final long maxSegmentSize;
 
         /**

modules/direct-io/src/main/java/org/apache/ignite/internal/processors/cache/persistence/file/LinuxNativeIoPluginProvider.java

@@ -29,6 +29,7 @@
 import org.apache.ignite.cluster.ClusterNode;
 import org.apache.ignite.internal.IgniteEx;
 import org.apache.ignite.internal.pagemem.store.IgnitePageStoreManager;
+import org.apache.ignite.internal.pagemem.wal.IgniteWriteAheadLogManager;
 import org.apache.ignite.internal.processors.cache.GridCacheSharedContext;
 import org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager;
 import org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager;
@@ -178,12 +179,12 @@ private void freeDirectBuffers() {
             pageStore.pageSize(),
             backupIoFactory);
 
-        final FileWriteAheadLogManager walMgr = (FileWriteAheadLogManager)cacheCtx.wal();
+        final IgniteWriteAheadLogManager walMgr = cacheCtx.wal();
 
-        if (walMgr != null && IgniteNativeIoLib.isJnaAvailable()) {
-            walMgr.setCreateWalFileListener(new IgniteInClosure<FileIO>() {
+        if (walMgr != null && walMgr instanceof FileWriteAheadLogManager && IgniteNativeIoLib.isJnaAvailable()) {
+            ((FileWriteAheadLogManager)walMgr).setCreateWalFileListener(new IgniteInClosure<FileIO>() {
                 @Override public void apply(FileIO fileIO) {
-                    adviceFileDontNeed(fileIO, walMgr.maxWalSegmentSize());
+                    adviceFileDontNeed(fileIO, ((FileWriteAheadLogManager)walMgr).maxWalSegmentSize());
                 }
             });
         }

modules/platforms/dotnet/Apache.Ignite.Core.Tests/Cache/PersistenceTest.cs

@@ -152,7 +152,6 @@ private static void CheckDataStorageMetrics(IIgnite ignite)
         {
             var metrics = ignite.GetDataStorageMetrics();
             Assert.Greater(metrics.WalLoggingRate, 0);
-            Assert.Greater(metrics.WalFsyncTimeAverage, 0);
         }
 
         /// <summary>

modules/platforms/dotnet/Apache.Ignite.Core/Configuration/DataStorageConfiguration.cs

@@ -126,7 +126,7 @@ public class DataStorageConfiguration
         /// <summary>
         /// Default value for <see cref="WalMode"/>.
         /// </summary>
-        public const WalMode DefaultWalMode = WalMode.Default;
+        public const WalMode DefaultWalMode = WalMode.LogOnly;
 
         /// <summary>
         /// Default value for <see cref="CheckpointWriteOrder"/>.
@@ -182,6 +182,7 @@ public DataStorageConfiguration()
             MetricsSubIntervalCount = DefaultMetricsSubIntervalCount;
             WalArchivePath = DefaultWalArchivePath;
             WalPath = DefaultWalPath;
+            WalMode = DefaultWalMode;
             CheckpointWriteOrder = DefaultCheckpointWriteOrder;
             WriteThrottlingEnabled = DefaultWriteThrottlingEnabled;
             WalCompactionEnabled = DefaultWalCompactionEnabled;

modules/platforms/dotnet/Apache.Ignite.Core/Configuration/WalMode.cs

@@ -17,15 +17,17 @@
 
 namespace Apache.Ignite.Core.Configuration
 {
+    using System;
+
     /// <summary>
     /// Write Ahead Log mode.
     /// </summary>
     public enum WalMode
     {
         /// <summary>
-        /// Default mode: full-sync disk writes. These writes survive power loss scenarios.
+        /// FSYNC mode: full-sync disk writes. These writes survive power loss scenarios.
         /// </summary>
-        Default,
+        Fsync,
 
         /// <summary>
         /// Log only mode: flushes application buffers. These writes survive process crash.
@@ -40,6 +42,11 @@ public enum WalMode
         /// <summary>
         /// WAL disabled.
         /// </summary>
-        None
+        None,
+
+        /// <summary>
+        /// Default mode: full-sync disk writes. These writes survive power loss scenarios.
+        /// </summary>
+        [Obsolete("Use Fsync mode.")]Default
     }
 }