[jira] [Commented] (CASSANDRA-12106) Add ability to blocklist / denylist a CQL partition so all requests are ignored

["Sumanth Pasupuleti (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-12106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17423540#comment-17423540 ] 

Sumanth Pasupuleti commented on CASSANDRA-12106:
------------------------------------------------

{quote}I tend to dislike risk (even the minimal risk of differing data types in memory vs. table and conversion on load); we can document this (including the CQL to query and convert to human readable) to work around that little usability friction. wdyt?{quote}
I agree. +1 to documenting the CQL for easy reference. Also, nodetool commands maybe able to make this easy - we can defer the nodetool discussion to a follow up ticket like you mentioned.

{quote}the code-paths warn if you're above either the global or per-table level{quote}
+1 to the improved logging. I still think we can do better in avoiding corner case cache inconsistency https://github.com/apache/cassandra/pull/1213/commits/0fb6ae95149a1a6601208cdae4b165835ea10070#r720686050

> Add ability to blocklist / denylist a CQL partition so all requests are ignored
> -------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-12106
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12106
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Legacy/Local Write-Read Paths, Local/Config
>            Reporter: Geoffrey Yu
>            Assignee: Josh McKenzie
>            Priority: Low
>             Fix For: 4.x
>
>         Attachments: 12106-trunk.txt
>
>
> Sometimes reads/writes to a given partition may cause problems due to the data present. It would be useful to have a manual way to blocklist / denylist
>  such partitions so all read and write requests to them are rejected.



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