Github user nickwallen commented on the issue:
https://github.com/apache/metron/pull/1221
For context, I set the default for Enrichments to 500. There was some
[discussion
here](https://github.com/apache/metron/pull/984#discussion_r180150453).
I would echo my comments from that discussion here. I think our defaults
should focus on day 1 user experience. Defining a default in the 300 - 700
range tends to be reasonable on most platforms for day 1. What we don't want
is to start Metron up and the topology to immediately die with an OOM because
there is no back pressure.
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