.

scripts/find-sonewconn.sh

@@ -0,0 +1,16 @@
+#!/usr/local/bin/bash
+
+# Copyright (c) 2018-2021, diyIT.org
+# All rights reserved.
+#
+# BSD 2-Clause License ("Simplified BSD License" or "FreeBSD License")
+# https://diyit.org/license/
+#
+#
+
+for jail in $(jls -h name | tail +2); do
+    sudo jexec $jail netstat -LAan 2>/dev/null | grep -q $1;
+    if [ $? -eq 0 ]; then
+        echo "found in jail $jail";
+    fi;
+done

scripts/mbuf.sh

@@ -0,0 +1,74 @@
+#!/bin/sh
+
+# Copyright (c) 2018-2021, diyIT.org
+# All rights reserved.
+#
+# BSD 2-Clause License ("Simplified BSD License" or "FreeBSD License")
+# https://diyit.org/license/
+#
+#
+
+MCLBYTES=2048
+MSIZE=256
+PHYSMEM=`sysctl -n hw.physmem`
+PAGE_SIZE=`sysctl -n hw.pagesize`
+VM_KMEM_SIZE=`sysctl -n vm.kmem_size`
+REALMEM=${VM_KMEM_SIZE}
+MAXMBUFMEM=`expr $REALMEM / 4 \* 3`
+MJUMPAGESIZE=$PAGE_SIZE
+MJUM9BYTES=`expr 9 \* 1024`
+MJUM16BYTES=`expr 16 \* 1024`
+
+#NMBCLUSTERS=`expr $MAXMBUFMEM / $MCLBYTES / 4` # higher # of jails
+NMBCLUSTERS=`expr $MAXMBUFMEM / $MCLBYTES / 3`
+NMBJUMBOP=`expr $MAXMBUFMEM / $MJUMPAGESIZE / 4`
+NMBJUMBO9=`expr $MAXMBUFMEM / $MJUM9BYTES / 6`
+NMBJUMBO16=`expr $MAXMBUFMEM / $MJUM16BYTES / 6`
+
+NMBUFS=`sysctl -n kern.ipc.nmbufs`
+NMMAX1=`expr $NMBCLUSTERS + $NMBJUMBOP + $NMBJUMBO9 + $NMBJUMBO16`
+NMMAX2=`expr $MAXMBUFMEM / $MSIZE / 5`
+if [ $NMMAX1 -gt $NMMAX2 ]; then
+	NMBUFS=$NMMAX1
+else
+	NMBUFS=$NMMAX2
+fi
+
+show()
+{
+	echo "# `basename $0 ` suggested settings:"
+	echo "kern.ipc.maxmbufmem=$MAXMBUFMEM"
+	echo "kern.ipc.nmbclusters=$NMBCLUSTERS"
+	echo "kern.ipc.nmbjumbop=$NMBJUMBOP"
+	echo "kern.ipc.nmbjumbo9=$NMBJUMBO9"
+	echo "kern.ipc.nmbjumbo16=$NMBJUMBO16"
+	echo "kern.ipc.nmbufs=$NMBUFS"
+}
+
+compare()
+{
+	echo "kern.ipc.maxmbufmem:  `sysctl -n kern.ipc.maxmbufmem` (current)"
+	echo "                 -->  $MAXMBUFMEM (suggested)"
+	echo "kern.ipc.nmbclusters: `sysctl -n kern.ipc.nmbclusters`"
+	echo "                  --> $NMBCLUSTERS"
+	echo "kern.ipc.nmbjumbop:   `sysctl -n kern.ipc.nmbjumbop`"
+	echo "                -->   $NMBJUMBOP"
+	echo "kern.ipc.nmbjumbo9:   `sysctl -n kern.ipc.nmbjumbo9`"
+	echo "                -->   $NMBJUMBO9"
+	echo "kern.ipc.nmbjumbo16:  `sysctl -n kern.ipc.nmbjumbo16`"
+	echo "                 -->  $NMBJUMBO16"
+	echo "kern.ipc.nmbufs:      `sysctl -n kern.ipc.nmbufs`"
+	echo "             -->      $NMBUFS"
+    vmstat -z|grep -E '^ITEM|mbuf'
+    netstat -m
+    # vmstat -m
+}
+
+if [ $# -gt 0 ]; then
+	if [ $1 == '-c' ]; then
+		compare
+		exit 0
+	fi
+fi
+
+show