[jira] [Work logged] (KNOX-2134) Add caching to ZookeeperRemoteAliasService

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KNOX-2134?focusedWorklogId=348284&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-348284 ]

ASF GitHub Bot logged work on KNOX-2134:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 22/Nov/19 19:17
            Start Date: 22/Nov/19 19:17
    Worklog Time Spent: 10m 
      Work Description: pzampino commented on pull request #205: KNOX-2134 - Add caching to ZookeeperRemoteAliasService
URL: https://github.com/apache/knox/pull/205
 
 
   ## What changes were proposed in this pull request?
   
   Added a cache to ZookeeperRemoteAliasService to improve the performance of alias lookups.
   
   ## How was this patch tested?
   
   Added test to ZookeeperRemoteAliasServiceTest.
 
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Issue Time Tracking
-------------------

            Worklog Id:     (was: 348284)
    Remaining Estimate: 0h
            Time Spent: 10m

> Add caching to ZookeeperRemoteAliasService
> ------------------------------------------
>
>                 Key: KNOX-2134
>                 URL: https://issues.apache.org/jira/browse/KNOX-2134
>             Project: Apache Knox
>          Issue Type: Bug
>          Components: Server
>    Affects Versions: 1.3.0
>            Reporter: Philip Zampino
>            Assignee: Philip Zampino
>            Priority: Major
>             Fix For: 1.4.0
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> The ZookeeperRemoteAliasService implementation always goes to ZooKeeper to retrieve alias data. Instead, it should cache the data locally to make password retrieval much faster.
> The implementation already receives pushes from ZooKeeper when alias znodes change, so instead of only updating the associated local alias service, it can also update its own cache.
> This way, it only ever needs to go to ZooKeeper for add/remove operations.



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