diff --git a/server/src/main/java/org/opensearch/common/settings/KeyStoreWrapper.java b/server/src/main/java/org/opensearch/common/settings/KeyStoreWrapper.java
index 81fb1309df310..d5ec37516a678 100644
--- a/server/src/main/java/org/opensearch/common/settings/KeyStoreWrapper.java
+++ b/server/src/main/java/org/opensearch/common/settings/KeyStoreWrapper.java
@@ -527,7 +527,7 @@ public synchronized void save(Path configDir, char[] password) throws Exception
         NIOFSDirectory directory = new NIOFSDirectory(configDir);
         // write to tmp file first, then overwrite
         String tmpFile = KEYSTORE_FILENAME + ".tmp";
-        try (IndexOutput output = EndiannessReverserUtil.createOutput(directory, tmpFile, IOContext.DEFAULT)) {
+        try (IndexOutput output = EndiannessReverserUtil.createOutput(directory, tmpFile, IOContext.READONCE)) {
             CodecUtil.writeHeader(output, KEYSTORE_FILENAME, FORMAT_VERSION);
             output.writeByte(password.length == 0 ? (byte) 0 : (byte) 1);
 
diff --git a/server/src/main/java/org/opensearch/gateway/MetadataStateFormat.java b/server/src/main/java/org/opensearch/gateway/MetadataStateFormat.java
index ad47ca66129bb..cb55c35a9b7e6 100644
--- a/server/src/main/java/org/opensearch/gateway/MetadataStateFormat.java
+++ b/server/src/main/java/org/opensearch/gateway/MetadataStateFormat.java
@@ -120,7 +120,7 @@ private void writeStateToFirstLocation(final T state, Path stateLocation, Direct
         throws WriteStateException {
         try {
             deleteFileIfExists(stateLocation, stateDir, tmpFileName);
-            try (IndexOutput out = EndiannessReverserUtil.createOutput(stateDir, tmpFileName, IOContext.DEFAULT)) {
+            try (IndexOutput out = EndiannessReverserUtil.createOutput(stateDir, tmpFileName, IOContext.READONCE)) {
                 CodecUtil.writeHeader(out, STATE_FILE_CODEC, STATE_FILE_VERSION);
                 out.writeInt(FORMAT.index());
                 try (XContentBuilder builder = newXContentBuilder(FORMAT, new IndexOutputOutputStream(out) {
@@ -155,7 +155,7 @@ private static void copyStateToExtraLocations(List<Tuple<Path, Directory>> state
             Directory extraStateDir = extraStatePathAndDir.v2();
             try {
                 deleteFileIfExists(extraStateLocation, extraStateDir, tmpFileName);
-                extraStateDir.copyFrom(srcStateDir, tmpFileName, tmpFileName, IOContext.DEFAULT);
+                extraStateDir.copyFrom(srcStateDir, tmpFileName, tmpFileName, IOContext.READONCE);
                 extraStateDir.sync(Collections.singleton(tmpFileName));
             } catch (Exception e) {
                 throw new WriteStateException(false, "failed to copy tmp state file to extra location " + extraStateLocation, e);
@@ -309,7 +309,7 @@ protected XContentBuilder newXContentBuilder(XContentType type, OutputStream str
      */
     public final T read(NamedXContentRegistry namedXContentRegistry, Path file) throws IOException {
         try (Directory dir = newDirectory(file.getParent())) {
-            try (IndexInput indexInput = EndiannessReverserUtil.openInput(dir, file.getFileName().toString(), IOContext.DEFAULT)) {
+            try (IndexInput indexInput = EndiannessReverserUtil.openInput(dir, file.getFileName().toString(), IOContext.READONCE)) {
                 // We checksum the entire file before we even go and parse it. If it's corrupted we barf right here.
                 CodecUtil.checksumEntireFile(indexInput);
                 CodecUtil.checkHeader(indexInput, STATE_FILE_CODEC, MIN_COMPATIBLE_STATE_FILE_VERSION, STATE_FILE_VERSION);
diff --git a/server/src/main/java/org/opensearch/index/translog/Checkpoint.java b/server/src/main/java/org/opensearch/index/translog/Checkpoint.java
index d309564ef5d32..8d63fab3c8c31 100644
--- a/server/src/main/java/org/opensearch/index/translog/Checkpoint.java
+++ b/server/src/main/java/org/opensearch/index/translog/Checkpoint.java
@@ -201,7 +201,7 @@ public String toString() {
 
     public static Checkpoint read(Path path) throws IOException {
         try (Directory dir = new NIOFSDirectory(path.getParent())) {
-            try (IndexInput indexInput = dir.openInput(path.getFileName().toString(), IOContext.DEFAULT)) {
+            try (IndexInput indexInput = dir.openInput(path.getFileName().toString(), IOContext.READONCE)) {
                 // We checksum the entire file before we even go and parse it. If it's corrupted we barf right here.
                 CodecUtil.checksumEntireFile(indexInput);
                 final int fileVersion = CodecUtil.checkHeader(indexInput, CHECKPOINT_CODEC, VERSION_LUCENE_BIG_ENDIAN, CURRENT_VERSION);