[GitHub] [kafka] gharris1727 commented on a diff in pull request #13178: KAFKA-12468, KAFKA-13659, KAFKA-12566: Fix MM2 causing negative downstream lag

["gharris1727 (via GitHub)" <gi...@apache.org>]

gharris1727 commented on code in PR #13178:
URL: https://github.com/apache/kafka/pull/13178#discussion_r1105013739


##########
connect/mirror/src/main/java/org/apache/kafka/connect/mirror/OffsetSyncStore.java:
##########
@@ -16,40 +16,76 @@
  */
 package org.apache.kafka.connect.mirror;
 
+import org.apache.kafka.clients.admin.AdminClientConfig;
+import org.apache.kafka.clients.consumer.Consumer;
 import org.apache.kafka.clients.consumer.KafkaConsumer;
 import org.apache.kafka.clients.consumer.ConsumerRecord;
 import org.apache.kafka.common.TopicPartition;
 import org.apache.kafka.common.errors.WakeupException;
 import org.apache.kafka.common.serialization.ByteArrayDeserializer;
+import org.apache.kafka.common.utils.Time;
 import org.apache.kafka.common.utils.Utils;
+import org.apache.kafka.connect.util.KafkaBasedLog;
+import org.apache.kafka.connect.util.TopicAdmin;
 
 import java.util.Map;
 import java.util.HashMap;
-import java.util.Collections;
 import java.time.Duration;
 import java.util.Optional;
 import java.util.OptionalLong;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
 
 /** Used internally by MirrorMaker. Stores offset syncs and performs offset translation. */
 class OffsetSyncStore implements AutoCloseable {
-    private final KafkaConsumer<byte[], byte[]> consumer;
+    private final KafkaBasedLog<byte[], byte[]> backingStore;
     private final Map<TopicPartition, OffsetSync> offsetSyncs = new HashMap<>();
-    private final TopicPartition offsetSyncTopicPartition;
+    private final TopicAdmin admin;
 
     OffsetSyncStore(MirrorCheckpointConfig config) {
-        consumer = new KafkaConsumer<>(config.offsetSyncsTopicConsumerConfig(),
-            new ByteArrayDeserializer(), new ByteArrayDeserializer());
-        offsetSyncTopicPartition = new TopicPartition(config.offsetSyncsTopic(), 0);

Review Comment:
   I addressed this with readPartition method which tests each partition individually.



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: jira-unsubscribe@kafka.apache.org

For queries about this service, please contact Infrastructure at:
users@infra.apache.org