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Posted to notifications@asterixdb.apache.org by "Till (JIRA)" <ji...@apache.org> on 2018/03/03 02:18:00 UTC

[jira] [Assigned] (ASTERIXDB-2143) Waiting For IO Ops on a Dataset Prevents Other Jobs From Accessing Other Datasets

     [ https://issues.apache.org/jira/browse/ASTERIXDB-2143?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Till reassigned ASTERIXDB-2143:
-------------------------------

    Assignee: Abdullah Alamoudi

> Waiting For IO Ops on a Dataset Prevents Other Jobs From Accessing Other Datasets
> ---------------------------------------------------------------------------------
>
>                 Key: ASTERIXDB-2143
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-2143
>             Project: Apache AsterixDB
>          Issue Type: Bug
>            Reporter: Murtadha Hubail
>            Assignee: Abdullah Alamoudi
>            Priority: Critical
>
> Currently we wait for a dataset's IO operations in DatasetLifeCycleManager (e.g. when dropping a dataset) while holding a lock on the dataset as well as the DatasetLifeCycleManager itself. The lock on DatasetLifeCycleManager will not be released until either some other thread requests a lock on the dataset we are waiting on, or the IO operations finish. During that period, other jobs trying to access DatasetLifeCycleManager will be blocked.



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