[ 
https://issues.apache.org/jira/browse/KYLIN-5320?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jiale He resolved KYLIN-5320.
-----------------------------
    Resolution: Fixed

> After the model is deleted, an abnormal error occurs when querying historical 
> statistics
> ----------------------------------------------------------------------------------------
>
>                 Key: KYLIN-5320
>                 URL: https://issues.apache.org/jira/browse/KYLIN-5320
>             Project: Kylin
>          Issue Type: Bug
>          Components: Others
>            Reporter: Jiale He
>            Assignee: Jiale He
>            Priority: Major
>             Fix For: 5.0-alpha
>
>
> h1. 复现步骤:
> 当查询击中模型后,然后删除模型,
> 查询历史统计信息的定时器在更新模型击中信息元数据时,会捞取查询历史,
> 此时会获取被删除模型的查询历史,然后再事务更新的时候,漏判断了是否模型被删除,
> 这样会导致事务更新失败。
> 由于一直更新失败,所以查询历史的 offset 也一直没有更新,最终在页面上就显示模型击中次数,索引击中次数一致没变。
>  
> h1. Root Cause & Dev Design
> 在更新 dataflow 的最新更新时间时,需要确认 dataflow 是否存在,如果不存在,则跳过。



--
This message was sent by Atlassian Jira
(v8.20.10#820010)

Reply via email to