512M was the default heap for Java 1.1. We never changed the default. So no size was “chosen”.
wunder Walter Underwood wun...@wunderwood.org http://observer.wunderwood.org/ (my blog) > On May 3, 2019, at 10:11 PM, Shawn Heisey <apa...@elyograg.org> wrote: > > On 5/3/2019 1:37 PM, Erick Erickson wrote: >> We already do warnings for ulimits, so memory seems reasonable. Along the >> same vein, does starting with 512M make sense either? >> Feel free to, raise a JIRA, but I won’t have any time to work on it…. > > Done. > > https://issues.apache.org/jira/browse/SOLR-13446 > > I think that for typical server systems, starting with a 512MB heap is a > little bit nuts. > > I think I know why such a low number was chosen. Without a much smarter > startup, a super low default is the only way to ensure that Solr will start > on virtually any system that somebody tries it on, like the small AWS servers. > > Thanks, > Shawn
