Error : OpenJDK 64-Bit Server VM warning: Failed to reserve shared memory. (error = 1)
Context: this is a lucene solr 9.0.0 + zk 3.8.0. on a linux server
Solution:
increment the heap memory at SOLR_HEAP="24g" to accommodate increased collection load.
The file /*/solr/solr-9.0.0/bin/solr.in.sh
