splett2 commented on code in PR #15702:
URL: https://github.com/apache/kafka/pull/15702#discussion_r1579886194
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metadata/src/main/java/org/apache/kafka/controller/ConfigurationControlManager.java:
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@@ -308,6 +328,48 @@ private ApiError validateAlterConfig(ConfigResource
configResource,
return ApiError.NONE;
}
+ void maybeTriggerPartitionUpdateOnMinIsrChange(List<ApiMessageAndVersion>
records) {
+ List<ConfigRecord> minIsrRecords = new ArrayList<>();
+ Map<String, String> topicMap = new HashMap<>();
+ Map<String, String> configRemovedTopicMap = new HashMap<>();
+ records.forEach(record -> {
+ if (MetadataRecordType.fromId(record.message().apiKey()) ==
MetadataRecordType.CONFIG_RECORD) {
+ ConfigRecord configRecord = (ConfigRecord) record.message();
+ if
(configRecord.name().equals(TopicConfig.MIN_IN_SYNC_REPLICAS_CONFIG)) {
+ minIsrRecords.add(configRecord);
+ if (Type.forId(configRecord.resourceType()) == Type.TOPIC)
{
+ if (configRecord.value() == null)
topicMap.put(configRecord.resourceName(), configRecord.value());
+ else
configRemovedTopicMap.put(configRecord.resourceName(), configRecord.value());
+ }
+ }
+ }
+ });
Review Comment:
what is the behavior if the default broker config for `min.insync.replicas`
is changed?
I am not actually sure how that impacts the `min.insync.replicas` for
existing topics.
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