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https://issues.apache.org/jira/browse/METRON-557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15657209#comment-15657209
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ASF GitHub Bot commented on METRON-557:
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Github user cestella commented on the issue:
https://github.com/apache/incubator-metron/pull/354
There are functions to read and write from local disk and HDFS
[here](https://github.com/apache/incubator-metron/tree/master/metron-platform/metron-management#file-functions).
The REPL does allow you to log to disk because it uses a proper GNU readline
implementation. You can set it (and a number of other options) by modifying
your ~/.inputrc. [Here](http://aeshell.github.io/docs/settings/index.html) are
the full options supported.
> Create Stellar Functions for Kafka
> ----------------------------------
>
> Key: METRON-557
> URL: https://issues.apache.org/jira/browse/METRON-557
> Project: Metron
> Issue Type: Improvement
> Reporter: Nick Allen
> Assignee: Nick Allen
>
> Add functions to read and write messages to Kafka topics.
> This should allow a user the to debug a Grok expression or Enrichment
> configuration inside the REPL. For example, I can pull a message off of the
> error topic to see why it failed to parse. Then fix the configuration and
> resubmit the message to try again. I also won’t have to go outside of the
> Stellar REPL to monitor topic activity.
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