mynameborat commented on a change in pull request #951: SAMZA-2127: Upgrade to
Kafka 2.0
URL: https://github.com/apache/samza/pull/951#discussion_r268891069
##########
File path:
samza-kafka/src/main/java/org/apache/samza/system/kafka/KafkaSystemAdmin.java
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@@ -628,10 +589,12 @@ public void validateStream(StreamSpec streamSpec) throws
StreamValidationExcepti
@Override
public void deleteMessages(Map<SystemStreamPartition, String> offsets) {
if (deleteCommittedMessages) {
- if (adminClientForDelete == null) {
- adminClientForDelete =
kafka.admin.AdminClient.create(createAdminClientProperties());
- }
- KafkaSystemAdminUtilsScala.deleteMessages(adminClientForDelete, offsets);
+ Map<TopicPartition, RecordsToDelete> recordsToDelete = offsets.entrySet()
+ .stream()
+ .collect(Collectors.toMap(entry ->
+ new TopicPartition(entry.getKey().getStream(),
entry.getKey().getPartition().getPartitionId()),
+ entry ->
RecordsToDelete.beforeOffset(Long.parseLong(entry.getValue()) + 1)));
+ adminClient.deleteRecords(recordsToDelete);
Review comment:
Done 1 & 2
3. We have been using AdminClient for all flows except deletion path. We
don't have any of the backoff configurations configurable for the other flows
and I plan to keep it the same for deletion too.
We can follow up if there is a need for it in a separate PR
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