[jira] [Work started] (IMPALA-13071) Update the doc of Impala components

["Sanjana Malhotra (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-13071?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on IMPALA-13071 started by Sanjana Malhotra.
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> Update the doc of Impala components
> -----------------------------------
>
>                 Key: IMPALA-13071
>                 URL: https://issues.apache.org/jira/browse/IMPALA-13071
>             Project: IMPALA
>          Issue Type: Documentation
>            Reporter: Quanlong Huang
>            Assignee: Sanjana Malhotra
>            Priority: Major
>
> We need to update some discription in the doc of Impala components.
> [https://impala.apache.org/docs/build/asf-site-html/topics/impala_components.html]
> In the section ofThe Impala Catalog Service, this is stale:
> {quote}When you create a table, load data, and so on through Hive, you do need to issue REFRESH or INVALIDATE METADATA on an Impala daemon before executing a query there.
> {quote}
> We should mention "Automatic Invalidation/Refresh of Metadata", a.k.a. HMS event processor, and add links for it.
> Change "Impala daemons" to "Impala Coordinators" in this sentence:
> {quote}The Impala component known as the Catalog Service relays the metadata changes from Impala SQL statements to all the Impala {color:#de350b}daemons{color} in a cluster.
> {quote}
> Also add this link for "On-demand Metadata"
> [https://impala.apache.org/docs/build/asf-site-html/topics/impala_metadata.html]



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