[
https://issues.apache.org/jira/browse/FLINK-35911?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Gang Yang updated FLINK-35911:
------------------------------
Description:
问题描述:业务反馈数据丢失,经排查发现是上游Kafka-Source部分分区数据没有被消费,其次业务也多次从状态重启,但这个问题仍然存在。
解决方式:后续为了排查定位问题配置了参数:pipeline.operator-chaining =
'false',然后有状态重启任务,很诡异的发现任务竟然恢复了正常消费。
业务场景:简单数据同步,kafka write hdfs
Source定义如下:
{code:java}
// code placeholder
CREATE TABLE `play_log_source` (
`appName` VARCHAR,
`appInfo.channel` VARCHAR,
`channel_name` AS `appInfo.channel`,
`appInfo.packageName` VARCHAR,
`package_name` AS `appInfo.packageName`,
`deviceInfo.deviceId` VARCHAR,
`device_id` AS `deviceInfo.deviceId`,
`deviceInfo.deviceName` VARCHAR
) WITH (
'nested-json.key.fields.deserialize-min.enabled' = 'true',
'connector' = 'kafka',
'format' = 'nested-json'
);{code}
Flink版本:Flink-1.18.1
was:
问题描述:业务反馈数据丢失,经排查发现是上游Kafka-Source部分分区数据没有被消费,其次业务也多次从状态重启,但这个问题仍然存在。
解决方式:后续为了排查定位问题配置了参数:pipeline.operator-chaining = 'false',然后有状态重启任务,发现任务恢复正常。
业务场景:简单数据同步,kafka write hdfs
Source定义如下:
{code:java}
// code placeholder
CREATE TABLE `play_log_source` (
`appName` VARCHAR,
`appInfo.channel` VARCHAR,
`channel_name` AS `appInfo.channel`,
`appInfo.packageName` VARCHAR,
`package_name` AS `appInfo.packageName`,
`deviceInfo.deviceId` VARCHAR,
`device_id` AS `deviceInfo.deviceId`,
`deviceInfo.deviceName` VARCHAR
) WITH (
'nested-json.key.fields.deserialize-min.enabled' = 'true',
'connector' = 'kafka',
'format' = 'nested-json'
);{code}
Flink版本:Flink-1.18.1
> Flink kafka-source connector
> ----------------------------
>
> Key: FLINK-35911
> URL: https://issues.apache.org/jira/browse/FLINK-35911
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Kafka
> Affects Versions: kafka-3.0.1
> Reporter: Gang Yang
> Priority: Major
>
> 问题描述:业务反馈数据丢失,经排查发现是上游Kafka-Source部分分区数据没有被消费,其次业务也多次从状态重启,但这个问题仍然存在。
> 解决方式:后续为了排查定位问题配置了参数:pipeline.operator-chaining =
> 'false',然后有状态重启任务,很诡异的发现任务竟然恢复了正常消费。
> 业务场景:简单数据同步,kafka write hdfs
> Source定义如下:
> {code:java}
> // code placeholder
> CREATE TABLE `play_log_source` (
> `appName` VARCHAR,
> `appInfo.channel` VARCHAR,
> `channel_name` AS `appInfo.channel`,
> `appInfo.packageName` VARCHAR,
> `package_name` AS `appInfo.packageName`,
> `deviceInfo.deviceId` VARCHAR,
> `device_id` AS `deviceInfo.deviceId`,
> `deviceInfo.deviceName` VARCHAR
> ) WITH (
> 'nested-json.key.fields.deserialize-min.enabled' = 'true',
> 'connector' = 'kafka',
> 'format' = 'nested-json'
> );{code}
>
> Flink版本:Flink-1.18.1
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