xnu-2782.20.48.tar.gz

[apple/xnu.git] / bsd / dev / unix_startup.c

diff --git a/bsd/dev/unix_startup.c b/bsd/dev/unix_startup.c
index 0f36920f074e14457e1dfc5db80ed4fbb777d6ce..ddb2baa685264622cd21c8a3ac332e85739abb20 100644 (file)
--- a/bsd/dev/unix_startup.c
+++ b/bsd/dev/unix_startup.c
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2014 Apple Inc. All rights reserved.

  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 


@@ -328,15 +328,18 @@ bsd_scale_setup(int scale)
                desiredvnodes = maxfiles;
                vnodes_sized = 1;
                if (scale > 4) {
                desiredvnodes = maxfiles;
                vnodes_sized = 1;
                if (scale > 4) {

-                       /* clip them at 32G level */
+                       /* clip somaxconn at 32G level */

                        somaxconn = 2048;
                        somaxconn = 2048;

-                       /* 64G or more the hash size is 32k */
+                       /* 
+                        * For scale > 4 (> 32G), clip 
+                        * tcp_tcbhashsize to 32K
+                        */
+                       tcp_tcbhashsize = 32 *1024;
+                       

                        if (scale > 7) {
                                /* clip at 64G level */
                        if (scale > 7) {
                                /* clip at 64G level */

-                               tcp_tcbhashsize = 16 *1024;

                                max_cached_sock_count = 165000;
                        } else {
                                max_cached_sock_count = 165000;
                        } else {

-                               tcp_tcbhashsize = 32 *1024;

                                max_cached_sock_count = 60000 + ((scale-1) * 15000);
                        }
                } else {
                                max_cached_sock_count = 60000 + ((scale-1) * 15000);
                        }
                } else {