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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-6998) Kafka connector needs to expose metrics for failed/successful offset commits in the Kafka Consumer callback
Date Fri, 14 Jul 2017 07:34:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-6998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16086980#comment-16086980
] 

ASF GitHub Bot commented on FLINK-6998:
---------------------------------------

Github user zentol commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4187#discussion_r127400942
  
    --- Diff: flink-connectors/flink-connector-kafka-base/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/KafkaCommitCallback.java
---
    @@ -0,0 +1,33 @@
    +/*
    + * Licensed to the Apache Software Foundation (ASF) under one
    + * or more contributor license agreements.  See the NOTICE file
    + * distributed with this work for additional information
    + * regarding copyright ownership.  The ASF licenses this file
    + * to you under the Apache License, Version 2.0 (the
    + * "License"); you may not use this file except in compliance
    + * with the License.  You may obtain a copy of the License at
    + *
    + * http://www.apache.org/licenses/LICENSE-2.0
    + *
    + * Unless required by applicable law or agreed to in writing, software
    + * distributed under the License is distributed on an "AS IS" BASIS,
    + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    + * See the License for the specific language governing permissions and
    + * limitations under the License.
    + */
    +
    +package org.apache.flink.streaming.connectors.kafka.internals;
    +
    +/**
    + * A callback interface that the user can implement to trigger custom actions when a
commit request completes.
    --- End diff --
    
    Is this callback actually exposed to users?


> Kafka connector needs to expose metrics for failed/successful offset commits in the Kafka
Consumer callback
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-6998
>                 URL: https://issues.apache.org/jira/browse/FLINK-6998
>             Project: Flink
>          Issue Type: Improvement
>          Components: Kafka Connector
>            Reporter: Zhenzhong Xu
>            Assignee: Zhenzhong Xu
>
> Propose to add "kafkaCommitsSucceeded" and "kafkaCommitsFailed" metrics in KafkaConsumerThread
class.



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