sanpwc commented on code in PR #4821:
URL: https://github.com/apache/ignite-3/pull/4821#discussion_r1884222746
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modules/replicator/src/main/java/org/apache/ignite/internal/replicator/command/SafeTimePropagatingCommand.java:
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@@ -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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