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Posted to issues@solr.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2024/07/22 08:43:00 UTC

[jira] [Updated] (SOLR-17160) Bulk admin operations may fail because of max tracked requests

     [ https://issues.apache.org/jira/browse/SOLR-17160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated SOLR-17160:
----------------------------------
    Labels: pull-request-available  (was: )

> Bulk admin operations may fail because of max tracked requests
> --------------------------------------------------------------
>
>                 Key: SOLR-17160
>                 URL: https://issues.apache.org/jira/browse/SOLR-17160
>             Project: Solr
>          Issue Type: Bug
>          Components: Backup/Restore
>    Affects Versions: 8.11, 9.5
>            Reporter: Pierre Salagnac
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 9.7
>
>          Time Spent: 3h
>  Remaining Estimate: 0h
>
> In {{{}CoreAdminHandler{}}}, we maintain in-memory the list of in-flight requests and completed/failed request.
> _Note they are core/replica level async requests, and not top level requests which mostly at the collection level. Top level requests are tracked by storing the async ID in a Zookeeper node, which is not related to this ticket._
>  
> For completed/failed requests, we only track a maximum of 100 requests by dropping the oldest ones. The typical client in {{CollectionHandlingUtils.waitForCoreAdminAsyncCallToComplete()}} polls status of the submitted requests, with a retry loop until requests are completed. If for some reason we have more than 100 requests that complete or fail on a node before all statuses are polled by the client, the statuses are lost and the client will fail with an unexpected error similar to:
> {{Invalid status request for requestId: '{_}<id>{_}' - 'notfound'. Retried _<n>_ times}}
>  
> Instead of having a hard limit for the number of requests we track, we could have time based eviction. I think it makes sense to keep status of a request until a given timeout, and then drop it ignoring how many requests we currently track.



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