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From "Nikolay Tikhonov (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (IGNITE-1169) Need to add TcpCommunicationSpi.sendWithAck
Date Fri, 31 Jul 2015 13:40:05 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-1169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nikolay Tikhonov closed IGNITE-1169.
------------------------------------

> Need to add TcpCommunicationSpi.sendWithAck
> -------------------------------------------
>
>                 Key: IGNITE-1169
>                 URL: https://issues.apache.org/jira/browse/IGNITE-1169
>             Project: Ignite
>          Issue Type: New Feature
>            Reporter: Yakov Zhdanov
>            Assignee: Nikolay Tikhonov
>            Priority: Critical
>         Attachments: ignite-1169-1.patch
>
>
> Communication uses internal acks to manage connection recovery queues in order not to
miss messages on connection problems.
> We need to add TcpCommunicationSpi.sendWithAck that returns future which gets completed
when node sends communication ack back.
> Use case:
> Sometimes we need to send messages and know for sure that message has been delivered
(not processed - this is stronger requirement). So, we can use communication ack not to introduce
top-level protocol acks. This can be used, for example, to make sure that client has received
continuous query notification.
> Brief list of changes:
> * TcpCommunicationSpi - add sendWithAck() method, implement notification logic on top
of existing acks
> * IoManager - add ability to send ordered and unordered messages with ack and get notification
on peer receiving the message.



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