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https://issues.apache.org/jira/browse/KAFKA-1523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14071130#comment-14071130
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Dong Lin commented on KAFKA-1523:
---------------------------------
Updated reviewboard https://reviews.apache.org/r/23568/diff/
against branch origin/transactional_messaging
> Implement transaction manager module
> ------------------------------------
>
> Key: KAFKA-1523
> URL: https://issues.apache.org/jira/browse/KAFKA-1523
> Project: Kafka
> Issue Type: New Feature
> Reporter: Joel Koshy
> Assignee: Dong Lin
> Labels: transactions
> Attachments: KAFKA-1523_2014-07-17_20:12:55.patch,
> KAFKA-1523_2014-07-22_16:45:42.patch
>
>
> * Entry point for transaction requests
> * Appends transaction control records to the transaction journal
> * Sends transaction control records to data brokers
> * Responsible for expiring transactions
> * Supports fail-over: for which it needs to maintain a transaction HW which
> is the offset of the BEGIN control record of the earliest pending
> transaction. It should checkpoint the HW periodically either to ZK/separate
> topic/offset commit.
> The scope of this ticket will be the basic transaction coordinator
> functionality. E.g., we can just have a basic transaction manager that can
> begin/commit/abort transactions. No expiration, no fail-over. We will add
> failure handling in subsequent jiras.
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