Oracle-HTTP-Server Tuning

  ServerLimit 128
  StartServers 32
  MinSpareThreads 1024
  MaxSpareThreads 2048
  ThreadLimit 72
  ThreadsPerChild 32
  MaxClients 4096
  MaxRequestsPerChild 10000
  AcceptMutex fcntl
  LockFile "${ORACLE_INSTANCE}/diagnostics/logs/${COMPONENT_TYPE}/${COMPONENT_NAME}/http_lock"

Oracle E-Business Suite Performance Best Practices (Doc ID 2528000.1)
https://www.oracle.com/webfolder/technetwork/tutorials/obe/cloud/compute-iaas/sharing_app_tier_file_system_ebs_fss/24fss.html