From 8ee63d7fc2c6a4965c992a27c5660972bd9921e0 Mon Sep 17 00:00:00 2001
From: Nikita Amelchev <nsamelchev@gmail.com>
Date: Mon, 13 Jan 2025 16:44:53 +0300
Subject: [PATCH] IGNITE-24168 Fixed performance drop caused by IGNITE-22375
 (#11797)

---
 .../direct/stream/DirectByteBufferStream.java | 20 +++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/modules/core/src/main/java/org/apache/ignite/internal/direct/stream/DirectByteBufferStream.java b/modules/core/src/main/java/org/apache/ignite/internal/direct/stream/DirectByteBufferStream.java
index 917e9f86c3cc0..0909ad348d460 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/direct/stream/DirectByteBufferStream.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/direct/stream/DirectByteBufferStream.java
@@ -699,7 +699,7 @@ public void writeIgniteUuid(IgniteUuid val) {
                 uuidState++;
 
             case 1:
-                writeUuidRaw(val.globalId());
+                writeLong(val.globalId().getMostSignificantBits());
 
                 if (!lastFinished)
                     return;
@@ -707,6 +707,14 @@ public void writeIgniteUuid(IgniteUuid val) {
                 uuidState++;
 
             case 2:
+                writeLong(val.globalId().getLeastSignificantBits());
+
+                if (!lastFinished)
+                    return;
+
+                uuidState++;
+
+            case 3:
                 writeLong(val.localId());
 
                 if (!lastFinished)
@@ -1249,7 +1257,7 @@ public IgniteUuid readIgniteUuid() {
                 uuidState++;
 
             case 1:
-                readUuidRaw();
+                uuidMost = readLong();
 
                 if (!lastFinished)
                     return null;
@@ -1257,6 +1265,14 @@ public IgniteUuid readIgniteUuid() {
                 uuidState++;
 
             case 2:
+                uuidLeast = readLong();
+
+                if (!lastFinished)
+                    return null;
+
+                uuidState++;
+
+            case 3:
                 uuidLocId = readLong();
 
                 if (!lastFinished)