[jira] [Commented] (OAK-5528) leaseUpdateThread might be blocked by leaseUpdateCheck

["Julian Reschke (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OAK-5528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15940216#comment-15940216 ] 

Julian Reschke commented on OAK-5528:
-------------------------------------

Good question, will check.

> leaseUpdateThread might be blocked by leaseUpdateCheck
> ------------------------------------------------------
>
>                 Key: OAK-5528
>                 URL: https://issues.apache.org/jira/browse/OAK-5528
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.4, 1.5.14
>            Reporter: Stefan Eissing
>            Assignee: Julian Reschke
>              Labels: candidate_oak_1_0, candidate_oak_1_2, candidate_oak_1_4
>             Fix For: 1.6.0
>
>         Attachments: OAK-5446.diff, OAK-5446-jr.diff, [#OAK-5446] leaseUpdateThread might be blocked by leaseUpdateCheck.html, OAK-5446.testcase, OAK-5446.testcase.v3, OAK-5446.xml
>
>
> {color:red}
> cloned from OAK-5446 due to internal JIRA issues
> {color}
> Fighting with cluster nodes losing their lease and shutting down oak-core in a cloud environment. For reasons unknown at this point in time, the whole process seems to skip about two minutes of real time.
> This is a situation from which oak currently does not recover. Code analysis shows that {{ClusterNodeInfo}} is handed the {{LeaseCheckDocumentStoreWrapper}} instance to use as store. This is fatal since any action the {{renewLease()}} tries to do will first invoke the {{performLeaseCheck()}}. The lease check will, when the {{FailureMargin}} is reached, _stall the renewLease() thread_ for 5 retry attempts and then declare the lease to be lost.
> The {{ClusterNodeInfo}} should instead be using the "real" {{DocumentStore}}, not the wrapped one, IMO.



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