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https://issues.apache.org/jira/browse/HBASE-15709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15602288#comment-15602288
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stack commented on HBASE-15709:
-------------------------------
When we chunk, we are breaking the buffer at a checksum chunk boundary, not at
some arbitrary spot?
Go ahead commit it I'd say. We starting to play w/ it so bad stuff should show
up soon if any.
> Handle large edits for asynchronous WAL
> ---------------------------------------
>
> Key: HBASE-15709
> URL: https://issues.apache.org/jira/browse/HBASE-15709
> Project: HBase
> Issue Type: Sub-task
> Components: io, wal
> Affects Versions: 2.0.0
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Critical
> Fix For: 2.0.0
>
> Attachments: HBASE-15709-v1.patch, HBASE-15709.patch
>
>
> First, FanOutOneBlockAsyncDFSOutput can not work if the buffered data is
> larger than PacketReceiver.MAX_PACKET_SIZE(16MB).
> Second, since we only allow one block here, we need to make sure we do not
> exceed the block size after writing a large chunk of data.
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