[jira] [Updated] (SLIDER-1079) Cache MetaInfo for AgentClientProvider

["Steve Loughran (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SLIDER-1079?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Loughran updated SLIDER-1079:
-----------------------------------
    Labels:   (was: stevel-to-review)

> Cache MetaInfo for AgentClientProvider
> --------------------------------------
>
>                 Key: SLIDER-1079
>                 URL: https://issues.apache.org/jira/browse/SLIDER-1079
>             Project: Slider
>          Issue Type: Bug
>          Components: client
>    Affects Versions: Slider 0.81, Slider 0.90.2
>            Reporter: shanyu zhao
>            Assignee: shanyu zhao
>         Attachments: SLIDER-1079.1.patch, SLIDER-1079.patch
>
>
> During app creation, the slider client calls AgentUtils.getApplicationMetainfo() 3 times. Each time this function actually download the whole app package from HDFS. If the app package is big, this is rather inefficient.
> The 3 places are:
> 1) SliderClient.actionBuild() -> AgentClientProvider.validateInstanceDefinition()
> 2) AgentClientProvider.getApplicagionTags()
> 3) AgentClientProvider.validateInstanceDefinition()
> We should cache the metainfo object in AgentClientProvider.
>  



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