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From "Ted Dunning (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-5432) Want a memory format for PCAP files
Date Thu, 13 Apr 2017 03:08:41 GMT

    [ https://issues.apache.org/jira/browse/DRILL-5432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15967049#comment-15967049
] 

Ted Dunning commented on DRILL-5432:
------------------------------------


Wow.  Missed that.

New URL: https://github.com/mapr-demos/drill-pcap-format

I will update the original comment so as to limit the number of people who are confused.


> Want a memory format for PCAP files
> -----------------------------------
>
>                 Key: DRILL-5432
>                 URL: https://issues.apache.org/jira/browse/DRILL-5432
>             Project: Apache Drill
>          Issue Type: New Feature
>            Reporter: Ted Dunning
>
> PCAP files [1] are the de facto standard for storing network capture data. In security
and protocol applications, it is very common to want to extract particular packets from a
capture for further analysis.
> At a first level, it is desirable to query and filter by source and destination IP and
port or by protocol. Beyond that, however, it would be very useful to be able to group packets
by TCP session and eventually to look at packet contents. For now, however, the most critical
requirement is that we should be able to scan captures at very high speed.
> I previously wrote a (kind of working) proof of concept for a PCAP decoder that did lazy
deserialization and could traverse hundreds of MB of PCAP data per second per core. This compares
to roughly 2-3 MB/s for widely available Apache-compatible open source PCAP decoders.
> This JIRA covers the integration and extension of that proof of concept as a Drill file
format.
> Initial work is available at https://github.com/mapr-demos/pcap-query
> [1] https://en.wikipedia.org/wiki/Pcap



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