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https://issues.apache.org/jira/browse/SENTRY-1317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15365403#comment-15365403
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Colin Patrick McCabe commented on SENTRY-1317:
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* New fencing and active/passive code
** Activator to store the state about whether the daemon is active or not, as
well as manage fencing
** Create Fencer to implement SQL fencing.
** Add SqlAccessor to talk directly to SQL databases
* LeaderStatus: generate shorter incarnation IDs by using base64.
* LeaderStatusAdaptor: implement close()
* Remove old code which is no longer used
** HAContext
** PluginCacheSyncUtil
** TestHAUpdateForwarder
** ServiceRegister
* SentryStore
** move DataNucleus properties setup into a utility function
** Remove unused {{DEFAULT_DATA_DIR}} variable (it's not used anywhere in the
code)
** SentryStore should maintain a reference to the Activator
* Add SentryStandbyException to indicate that the daemon is currently standby
* Move SENTRY_ZK_JAAS_NAME from HAContext to SentryConstants
* DelegateSentryStore: make some fields final
> Implement fencing required for active/passive
> ---------------------------------------------
>
> Key: SENTRY-1317
> URL: https://issues.apache.org/jira/browse/SENTRY-1317
> Project: Sentry
> Issue Type: Sub-task
> Reporter: Sravya Tirukkovalur
> Assignee: Colin Patrick McCabe
> Fix For: sentry-ha-redesign
>
> Attachments: SENTRY-1317.001-sentry-ha-redesign.patch,
> SENTRY-1317.002-sentry-ha-redesign.patch,
> SENTRY-1317.003-sentry-ha-redesign.patch,
> SENTRY-1317.004-sentry-ha-redesign.patch
>
>
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