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From "mahesh kumar behera (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-19267) Create/Replicate ACID Write event
Date Sun, 22 Apr 2018 15:43:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-19267?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

mahesh kumar behera reassigned HIVE-19267:
------------------------------------------


> Create/Replicate ACID Write event
> ---------------------------------
>
>                 Key: HIVE-19267
>                 URL: https://issues.apache.org/jira/browse/HIVE-19267
>             Project: Hive
>          Issue Type: Sub-task
>          Components: repl, Transactions
>    Affects Versions: 3.0.0
>            Reporter: mahesh kumar behera
>            Assignee: mahesh kumar behera
>            Priority: Major
>              Labels: ACID, DR, replication
>             Fix For: 3.0.0
>
>
> *EVENT_ALLOCATE_WRITE_ID*
> *Source Warehouse:*
>  * Create new event type EVENT_ALLOCATE_WRITE_ID with related message format etc.
>  * Capture this event when allocate a table write ID from the sequence table by ACID
operation.
>  * Repl dump should read this event from EventNotificationTable and dump the message.
> *Target Warehouse:*
>  * Repl load should read the event from the dump and get the message.
>  * Validate if source txn ID from the event is there in the source-target txn ID map.
If not there, just noop the event.
>  * If valid, then Allocate table write ID from sequence table
> *Extend listener notify event API to add two new parameter , dbconn and sqlgenerator
to add the events to notification_log table within the same transaction* 



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