Comment 24 for bug 2057792

To complete the list of products: In addition to games, this change is also useful for users of Elasticsearch and/or Opensearch and Apache Lucene/Solr on large clusters.

Elasticsearch also suggests raising the value, although not so high: https://www.elastic.co/guide/en/elasticsearch/reference/current/vm-max-map-count.html
Opensearch: https://opensearch.org/docs/latest/install-and-configure/install-opensearch/index/#important-settings
Apache Solr: https://solr.apache.org/guide/solr/latest/deployment-guide/taking-solr-to-production.html

If you e.g. start Elasticsearch without a large enough vm.max_map_count, it will print a log message to raise it and exit.

My personal opinion: Actually the game issues described here should better be fixed in Steam's launcher when starting such a game (or in Wine). The downstream software should better ask the user to raise the value upon starting.