Did you mean ES_HEAP_SIZE? It set to 4GB (and index size, using in my tests is about 2GB).
# cat /etc/default/elasticsearch | grep HEAP ES_HEAP_SIZE=4g -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/db484658-0049-4406-865d-1a5697940771%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
