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From "Ari Rabkin (JIRA)" <>
Subject [jira] Commented: (CHUKWA-102) Provide streaming adapter
Date Wed, 08 Apr 2009 01:33:13 GMT


Ari Rabkin commented on CHUKWA-102:

I don't mind including code for it, but I think as a matter of policy this isn't a good idea.
 Buffering everything on disk gives us a lot of tolerance for network failures and load spikes,
at modest performance cost.   A direct pipe forces either Chukwa or the app to do explicit
buffering and such.  

I believe there may be code for this floating around; Jerome and Eric wrote it for the prototype.
 I'd be interested to see a performance comparison with file tailing.

> Provide streaming adapter
> -------------------------
>                 Key: CHUKWA-102
>                 URL:
>             Project: Hadoop Chukwa
>          Issue Type: New Feature
>          Components: input tools
>            Reporter: Mac Yang
> Enable applications to send data directly to the agent without writing to disk first.

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