numinnex commented on code in PR #3071:
URL: https://github.com/apache/iggy/pull/3071#discussion_r3052783603


##########
core/partitions/src/iggy_partition.rs:
##########
@@ -191,7 +451,10 @@ impl Partition for IggyPartition {
         if args.auto_commit && !fragments.is_empty() {
             let last_offset =
                 last_matching_offset.expect("non-empty poll result must have a 
last offset");
-            if let Err(err) = self.store_consumer_offset(consumer, 
last_offset) {
+            if let Err(err) = self

Review Comment:
   I think for auto commit polls, at the end of the `command_handler` construct 
new `Message<Prepare>`, with `StoreConsumerOffset` command and run it through 
the  `on_message` handler, the same way an `StoreConsumerOffset` client request 
would. 
   
   Additionally I think we should expand the `StoreConsumerOffset` command to 
allow for different levels of consistency  such as `no_ack` or `quorum`, 
something that `kafka` does for `SendMessages`. This way the `auto_commit` from 
`PollMessages` command, could inherit that aswell. 



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