DanielWang2035 commented on code in PR #17238:
URL: https://github.com/apache/iotdb/pull/17238#discussion_r3246258630


##########
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/subscription/receiver/SubscriptionReceiverV1.java:
##########
@@ -669,22 +700,90 @@ private TPipeSubscribeResp 
handlePipeSubscribeCommitInternal(final PipeSubscribe
 
     if (Objects.equals(successfulCommitContexts.size(), 
commitContexts.size())) {
       LOGGER.info(
-          "Subscription: consumer {} commit (nack: {}) successfully, commit 
contexts: {}",
+          "Subscription: consumer {} commit (nack: {}) successfully, summary: 
{}",
           consumerConfig,
           nack,
-          commitContexts);
+          summarizeCommitContexts(commitContexts));
+      if (LOGGER.isDebugEnabled()) {
+        LOGGER.debug(
+            "Subscription: consumer {} commit (nack: {}) full commit contexts: 
{}",
+            consumerConfig,
+            nack,
+            commitContexts);
+      }
     } else {
       LOGGER.warn(
-          "Subscription: consumer {} commit (nack: {}) partially successful, 
commit contexts: {}, successful commit contexts: {}",
+          "Subscription: consumer {} commit (nack: {}) partially successful, 
requested summary: {}, successful summary: {}",
           consumerConfig,
           nack,
-          commitContexts,
-          successfulCommitContexts);
+          summarizeCommitContexts(commitContexts),
+          summarizeCommitContexts(successfulCommitContexts));
+      if (LOGGER.isDebugEnabled()) {
+        LOGGER.debug(
+            "Subscription: consumer {} commit (nack: {}) full requested commit 
contexts: {}, full successful commit contexts: {}",
+            consumerConfig,
+            nack,
+            commitContexts,
+            successfulCommitContexts);
+      }
     }
 
     return 
PipeSubscribeCommitResp.toTPipeSubscribeResp(RpcUtils.SUCCESS_STATUS);

Review Comment:
   Fixed. The commit response now separates accepted commit contexts from the 
server-side durable committed progress. The client only clears pending ACKs 
using accepted contexts, and only advances local committed positions using the 
committed progress returned by the server.



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