sashapolo commented on code in PR #4543:
URL: https://github.com/apache/ignite-3/pull/4543#discussion_r1802689798


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modules/raft/src/main/java/org/apache/ignite/internal/raft/RetryContext.java:
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@@ -0,0 +1,140 @@
+/*
+ * 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.
+ */
+
+package org.apache.ignite.internal.raft;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+import java.util.function.Function;
+import org.apache.ignite.internal.network.NetworkMessage;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * Represents a context containing data for {@code 
RaftGroupServiceImpl#sendWithRetry} methods.
+ *
+ * <p>Not thread-safe.
+ */
+class RetryContext {

Review Comment:
   > It's not thread safe because it's expected to be used in 
ScheduledExecutorService only? And executor is expected to be single threaded, 
right?
   
   no, it is only expected to be used in a single chain of retries. It 
effectively means that there is no concurrent access here, we just pass this 
context through consecutive `submit` calls.



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