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https://issues.apache.org/jira/browse/HADOOP-18919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17777146#comment-17777146
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ASF GitHub Bot commented on HADOOP-18919:
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brumi1024 commented on PR #6194:
URL: https://github.com/apache/hadoop/pull/6194#issuecomment-1770392954
> Unrelated question... in
[HADOOP-18709](https://github.com/apache/hadoop/pull/5638/files#top) a new
dependency was added (netty-transport-native-epoll) it's a native lib for Netty
to run on Linux. I wonder if it could trouble running on other platforms.
AFAIU Netty automatically [falls back to
Nio](https://github.com/grpc/grpc-java/blob/master/netty/src/main/java/io/grpc/netty/Utils.java#L127)
on platforms that doesn't have epoll available (Mac and Windows).
https://github.com/netty/netty/wiki/Native-transports
> Zookeeper SSL/TLS support in HDFS ZKFC
> --------------------------------------
>
> Key: HADOOP-18919
> URL: https://issues.apache.org/jira/browse/HADOOP-18919
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Zita Dombi
> Assignee: Zita Dombi
> Priority: Major
> Labels: pull-request-available
>
> HADOOP-18709 added support for Zookeeper to communicate with SSL/TLS enabled
> in hadoop-common. With those changes we have the necessary parameters, that
> we need to set to enable SSL/TLS in a ZK Client.
> In YARN-11468 the SSL communication can be set in Yarn, now we need to
> similar changes in HDFS to enable it correctly. In HDFS ZK Client is used in
> the Failover Controller. In this improvement we need to create the ZK client
> with the necessary SSL configs if we enable it, which we can track under a
> new HDFS config.
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