These are optional optimizations that are added in the env.sh backend file:
export NC_EXPORT_MAX_TIMEOUT=50000
export DB_QUERY_LIMIT_MAX=100000
export NC_REQUEST_BODY_SIZE=1048576000
export NC_ATTACHMENT_FIELD_SIZE=20000000
export NC_ATTACHMENT_RETENTION_DAYS=0
export NC_MAX_ATTACHMENTS_ALLOWED=1000