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Posted to issues@solr.apache.org by "Jason Gerlowski (Jira)" <ji...@apache.org> on 2023/05/30 16:04:00 UTC

[jira] [Resolved] (SOLR-16720) PKI should decorate outgoing requests at "sending", not "enqueueing" time

     [ https://issues.apache.org/jira/browse/SOLR-16720?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Gerlowski resolved SOLR-16720.
------------------------------------
    Fix Version/s: main (10.0)
                   9.3
         Assignee: Jason Gerlowski
       Resolution: Fixed

> PKI should decorate outgoing requests at "sending", not "enqueueing" time
> -------------------------------------------------------------------------
>
>                 Key: SOLR-16720
>                 URL: https://issues.apache.org/jira/browse/SOLR-16720
>             Project: Solr
>          Issue Type: Improvement
>          Components: Authentication
>    Affects Versions: 9.2
>            Reporter: Jason Gerlowski
>            Assignee: Jason Gerlowski
>            Priority: Minor
>             Fix For: main (10.0), 9.3
>
>         Attachments: SOLR-16720-reproduce.patch, Screen Shot 2023-04-07 at 9.16.30 AM.png, reproduce.sh
>
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> Currently, PKIAuthenticationPlugin decorates intra-node requests using an 'onQueue' lifecycle hook, which is triggered when the request is enqueued for processing by the (asynchronous) Jetty http client.
> This works great on many systems.  However on heavily loaded clusters the time between Jetty "queueing" the request and it actually being sent out can be non-negligible.  If this gap becomes wide enough, the TTL encoded into the PKI auth header might have substantially or fully expired by the time the receiving node gets the request.
> We should experiment with moving PKI header decoration to the 'onBegin' hook instead, which fires much closer to the actual request-send time on heavily loaded servers.



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