IGNITE-26722 after review #1.0

Author: tkalkirill

modules/core/src/test/java/org/apache/ignite/internal/util/IgniteUtilsTest.java

@@ -50,7 +50,6 @@
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicReference;
 import org.apache.ignite.internal.testframework.BaseIgniteAbstractTest;
 import org.apache.ignite.internal.util.worker.IgniteWorker;
 import org.junit.jupiter.api.Test;
@@ -218,11 +217,4 @@ void testByteBufferToByteArray() {
         ByteBuffer smallDirectBuffer = bigDirectBuffer.position(1).limit(4).slice();
         assertArrayEquals(new byte[] {1, 2, 3}, byteBufferToByteArray(smallDirectBuffer));
     }
-
-    @Test
-    void test() {
-        AtomicReference<Integer> reference = new AtomicReference<>();
-
-        assertTrue(reference.compareAndSet(null, null));
-    }
 }

modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/compaction/Compactor.java

@@ -524,6 +524,7 @@ public void resume() {
         }
     }
 
+    /** Must be called before each IO operation to provide other IO components with resources. */
     private void pauseCompactionIfNeeded() {
         CountDownLatch latch = pauseLatchRef.get();