canal問題彙集，高可用，kerberos，tsdb，metric監控，admin等等

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3、Could not find a 'KafkaClient' entry in the JAAS configuration. System property 'java.security.auth.login.config' is/jaas.conf

4、CanalParseException: parse row data failed. column size is not match for table:user.user_public_info,47 vs 45

5、 [Producer clientId=producer-1] Error while fetching metadata with correlation id 2 : {=INVALID_TOPIC_EXCEPTION}