[jira] [Commented] (TEPHRA-269) Protect the Transaction Manager against misconfigured clients using rate limits

["Poorna Chandra (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TEPHRA-269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16410647#comment-16410647 ] 

Poorna Chandra commented on TEPHRA-269:
---------------------------------------

I have attached the design document for rate limits. Please review and provide feedback.

> Protect the Transaction Manager against misconfigured clients using rate limits
> -------------------------------------------------------------------------------
>
>                 Key: TEPHRA-269
>                 URL: https://issues.apache.org/jira/browse/TEPHRA-269
>             Project: Tephra
>          Issue Type: New Feature
>          Components: core
>            Reporter: Poorna Chandra
>            Assignee: Poorna Chandra
>            Priority: Major
>             Fix For: 0.14.0-incubating
>
>         Attachments: Ensure QoS in Transaction Manager by rate limiting client requests.pdf
>
>
> We have seen cases where misconfigured clients can overwhelm the system by making expensive requests (like invalidating transactions). By the time admins figure out there is a misconfigured client and take corrective action, thousands of invalid transactions can be created in a very short period of time. It would be useful to have a way to limit the number of invalid transactions that a client can create in given time.
> I'll send out a design document for this soon.



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