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https://issues.apache.org/jira/browse/FLUME-2982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15447489#comment-15447489
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Mike Percy commented on FLUME-2982:
-----------------------------------
Sounds like a useful feature. Consider using syntax compatible with the
existing stuff, but not to be confused with the header syntax.
Perhaps %(localhost) or something like that.
By the way, getting the hostname from the local machine isn't as easy as you
might expect in Java. See the comments on this SO thread:
http://stackoverflow.com/questions/7348711/recommended-way-to-get-hostname-in-java
Possibly the most reliable way is to shell out and execute {{hostname}} -- this
sounds like it should be portable since you should end up with /bin/hostname on
*Nix and HOSTNAME.EXE on Windows. See http://stackoverflow.com/a/28043703
This may be worth writing a utility function for that caches the result,
possibly invalidating that cache when the sink is reconfigured or something
like that.
> Add localhost escape sequence to HDFS sink
> ------------------------------------------
>
> Key: FLUME-2982
> URL: https://issues.apache.org/jira/browse/FLUME-2982
> Project: Flume
> Issue Type: Improvement
> Reporter: Jeff Holoman
> Assignee: Jeff Holoman
>
> It would be useful to be able to just use %localhost% escape sequence instead
> of having to pass in a header / use the host interceptor.
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