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https://issues.apache.org/jira/browse/METRON-1657?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16540579#comment-16540579
]
ASF GitHub Bot commented on METRON-1657:
----------------------------------------
Github user justinleet commented on the issue:
https://github.com/apache/metron/pull/1099
I ran through
https://github.com/apache/metron/blob/master/use-cases/parser_chaining/README.md,
but spinning it up as
```
$METRON_HOME/bin/start_parser_topology.sh -k $BROKERLIST -z $ZOOKEEPER -s
cisco-6-302,cisco-5-304,pix_syslog_router
```
This results in indices (noting that I'd pushed the data to the topic a
couple times, so the numbers won't line up directly if you run it):
```
[root@node1 ~]# curl -X GET "localhost:9200/_cat/indices?v"
health status index uuid pri
rep docs.count docs.deleted store.size pri.store.size
yellow open cisco-5-304_index_2018.07.11.18 z-MyPPEJSN6cur7FJbFORA 5
1 45 0 340.8kb 340.8kb
yellow open cisco-6-302_index_2018.07.11.18 vAFrok4sRpW49_RYt9RqbQ 5
1 660 0 1.4mb 1.4mb
...
````
> Parser aggregation in storm
> ---------------------------
>
> Key: METRON-1657
> URL: https://issues.apache.org/jira/browse/METRON-1657
> Project: Metron
> Issue Type: Bug
> Reporter: Justin Leet
> Assignee: Justin Leet
> Priority: Major
>
> Currently our parsing solution requires one storm topology per sensor. It has
> been complained that this may be wasteful of resources and that, rather than
> one storm topology per sensor, it would be advantageous to have multiple
> sensors in the same topology. The benefit to this is that it would require
> fewer storm slots.
> The issue with this is that whenever we've aggregated functionality like this
> before, we've run into issues appropriately being able to scale storm (e.g.
> batch vs random access indexing in the same topology). The main point in
> addressing this is to recommend that parsers with similar velocities and
> complexity are grouped together.
> Particularly for a first cut, leave the configuration mostly as-is, while
> allowing for comma separated lists of sensors in start_parser_topology.sh
> (e.g. bro,yaf creates a aggregated parser consisting of those two).
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