[jira] [Commented] (HBASE-16968) Refactor FanOutOneBlockAsyncDFSOutput

["Duo Zhang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-16968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15619408#comment-15619408 ] 

Duo Zhang commented on HBASE-16968:
-----------------------------------

[~stack] [~ram_krish] FYI.

{noformat}
13 files changed, 482 insertions(+), 1194 deletions(-)
{noformat}

> Refactor FanOutOneBlockAsyncDFSOutput
> -------------------------------------
>
>                 Key: HBASE-16968
>                 URL: https://issues.apache.org/jira/browse/HBASE-16968
>             Project: HBase
>          Issue Type: Sub-task
>          Components: io, wal
>    Affects Versions: 2.0.0
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>             Fix For: 2.0.0
>
>         Attachments: HBASE-16968.patch
>
>
> As we have moved to jdk8, and dropped the support of hadoop-2.4.x and hadoop-2.5.x on master, we could use CompletableFuture instead of CompletionHandler to make the code more clear, and also remove the support of hadoop-2.4.x and hadoop-2.5.x to remove lots of the reflection code.



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