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https://issues.apache.org/jira/browse/HBASE-15709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15600977#comment-15600977
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stack commented on HBASE-15709:
-------------------------------
Patch seems good. By the time we get into flush0, all bytes have been
checksummed? Packets in DFSClient#DFSOS seem to go out of their way to align
the checksum chunks at the packet boundary. Is that going on her... perhaps
outside of this patch? This is great.
> 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.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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