[jira] [Updated] (SENTRY-1946) getPathsUpdatesFrom() got its boolean logic inversed which results in sending two snapshots at the same time

["Vamsee Yarlagadda (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SENTRY-1946?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vamsee Yarlagadda updated SENTRY-1946:
--------------------------------------
    Summary: getPathsUpdatesFrom() got its boolean logic inversed which results in sending two snapshots at the same time  (was: Conditional error in SENTRY-1931 results in sending two snapshots at the same time)

> getPathsUpdatesFrom() got its boolean logic inversed which results in sending two snapshots at the same time
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: SENTRY-1946
>                 URL: https://issues.apache.org/jira/browse/SENTRY-1946
>             Project: Sentry
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Vamsee Yarlagadda
>            Assignee: Vamsee Yarlagadda
>         Attachments: SENTRY-1946.01-master.patch
>
>
> As part of SENTRY-1931, we added check not to send two NN snaphsots at the same time. But because of a conditional typo, it results in sending back two snapshots.
> {code}
>     // If another paths updates request is in progress by another HDFS NameNode, then we
>     // return an empty image for now to avoid a large memory consumption
>     if (pathsRetrieverBusy.compareAndSet(false, true)) {
>       LOGGER.debug("PATHS updates are not available because another request is in progress.");
>       return Collections.emptyList();
>     }
> {code}



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