sanpwc commented on code in PR #4821:
URL: https://github.com/apache/ignite-3/pull/4821#discussion_r1884222746


##########
modules/replicator/src/main/java/org/apache/ignite/internal/replicator/command/SafeTimePropagatingCommand.java:
##########
@@ -26,7 +27,11 @@
  * Common interface for commands carrying safe time.
  */
 public interface SafeTimePropagatingCommand extends WriteCommand {
-    /** Safe time. */
+    @Override
+    HybridTimestamp initiatorTime();

Review Comment:
   Mmmm, I didn't get the concept.
   
   - Initiator time is the time on the node that creates and sends the command, 
right? In case of partitions it's primary replica?
   - On leader you do calculate safeTime as `safeTs = command.initiatorTime() 
== null ? clock.now() : clock.now(command.initiatorTime())` and then patch the 
command with the safeTime. 
   
   All in all that means that Initiator time is a sort of timestampAware 
messaging between the node that hosts raft-client and raft leader and safeTime 
mechanics is now fully managed inside raft. Is that correct?



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