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aitozi commented on FLINK-7945: ------------------------------- Before I think the losed metric is caused by the kafka client is used wrong, after serveral test i have found that kafka add per partition lag metric after 0.10.2.0 [https://issues.apache.org/jira/browse/KAFKA-4381]. But after read the kafka code , the metrics is only add after the consumer#poll method > kafka-connector11 use kafkaConsumer0.9 caused it lost the important metric in > kafka consumer clients11 > ------------------------------------------------------------------------------------------------------ > > Key: FLINK-7945 > URL: https://issues.apache.org/jira/browse/FLINK-7945 > Project: Flink > Issue Type: Bug > Components: Kafka Connector, Metrics > Affects Versions: 1.4.0, 1.3.2 > Reporter: aitozi > Assignee: aitozi > Priority: Major > > when i want to add kafka-lag to per partition, i found that Kafka-connector11 > used the kafka09Fetcher and kafka09Fetcher use the 09 version kafka client, > caused that the new metric like kafka per partition consumer lag lost. -- This message was sent by Atlassian JIRA (v6.4.14#64029)