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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-5269) PhoenixAccessController should use AccessChecker instead of AccessControlClient for permission checks
Date Mon, 10 Jun 2019 03:14:00 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-5269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16859681#comment-16859681
] 

Hudson commented on PHOENIX-5269:
---------------------------------

ABORTED: Integrated in Jenkins build Phoenix-4.x-HBase-1.4 #165 (See [https://builds.apache.org/job/Phoenix-4.x-HBase-1.4/165/])
PHOENIX-5269 addendum: Fix PermissionsCacheIT. (larsh: rev 23f5fb5112b7446033b6dcc6e8930c7f344cbd83)
* (edit) phoenix-core/src/it/java/org/apache/phoenix/end2end/PermissionsCacheIT.java


> PhoenixAccessController should use AccessChecker instead of AccessControlClient for permission
checks
> -----------------------------------------------------------------------------------------------------
>
>                 Key: PHOENIX-5269
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-5269
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.14.1, 4.14.2
>            Reporter: Andrew Purtell
>            Assignee: Kiran Kumar Maturi
>            Priority: Critical
>             Fix For: 4.15.0, 4.14.2
>
>         Attachments: PHOENIX-5269-4.14-HBase-1.4.patch, PHOENIX-5269-4.14-HBase-1.4.v1.patch,
PHOENIX-5269-4.14-HBase-1.4.v2.patch, PHOENIX-5269.4.14-HBase-1.4.v3.patch, PHOENIX-5269.4.14-HBase-1.4.v4.patch,
PHOENIX-5269.4.x-HBase-1.4.v1.patch, PHOENIX-5269.4.x-HBase-1.5.v1.patch
>
>
> PhoenixAccessController should use AccessChecker instead of AccessControlClient for permission
checks. 
> In HBase, every RegionServer's AccessController maintains a local cache of permissions.
At startup time they are initialized from the ACL table. Whenever the ACL table is changed
(via grant or revoke) the AC on the ACL table "broadcasts" the change via zookeeper, which
updates the cache. This is performed and managed by TableAuthManager but is exposed as API
by AccessChecker. AccessChecker is the result of a refactor that was committed as far back
as branch-1.4 I believe.
> Phoenix implements its own access controller and is using the client API AccessControlClient
instead. AccessControlClient does not cache nor use the ZK-based cache update mechanism, because
it is designed for client side use.
> The use of AccessControlClient instead of AccessChecker is not scalable. Every permissions
check will trigger a remote RPC to the ACL table, which is generally going to be a single
region hosted on a single RegionServer. 



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