Date: Tue, 23 Jan 2007 10:27:23 +0100 From: "Remy de Ruysscher" <remy@unix-asp.com> To: <freebsd-questions@freebsd.org> Subject: Servers are using limited amount of memory after upgrade from 6.2-PRE to 6.2-STABLE Message-ID: <20070123095957.E2DF413C459@mx1.freebsd.org> In-Reply-To: <cmu-lmtpd-40275-1169536891-0@unix-asp.com> References: <cmu-lmtpd-40275-1169536891-0@unix-asp.com>
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Sorry about the previous message, it was send in error.
After upgrading from 6.2-PRERELEASE to 6.2-STABLE all my servers are
terribly slow, the webservers use only 300Mb memory instead of the
previous 1500Mb. Anything changed between those releases which affects the
memory usage?
FreeBSD uhura.pocketinfo.nl 6.2-STABLE FreeBSD 6.2-STABLE #9: Mon Jan 22
23:07:01 CET 2007 root@uhura.pocketinfo.nl:/usr/obj/usr/src/sys/UHURA
i386
Resource limits (current):
cputime infinity secs
filesize infinity kB
datasize 1572864 kB
stacksize 131072 kB
coredumpsize infinity kB
memoryuse infinity kB
memorylocked infinity kB
maxprocesses 5547
openfiles 11095
sbsize infinity bytes
vmemoryuse infinity kB
last pid: 23922; load averages: 0.86, 0.87, 0.85
up 0+09:29:53 10:25:48
95 processes: 1 running, 94 sleeping
CPU states: 13.9% user, 0.0% nice, 3.5% system, 0.1% interrupt, 82.6%
idle
Mem: 265M Active, 455M Inact, 182M Wired, 20K Cache, 112M Buf, 1100M Free
My kernel config:
machine i386 #i386 architecture
cpu I686_CPU
ident UHURA #Kernel config name
maxusers 0 #Dynamically allocate
resources
# LSI Logic SAS controller
device mpt
device mfi
#
# Watchdog routines.
#
device puc
#options MP_WATCHDOG
#options SCHED_ULE #Use the new ULE kernel
scheduler
options SCHED_4BSD #Use the 4BSD kernel
scheduler e
options DEVICE_POLLING #Adds network robustness at
slightly higher response times
options HZ=1000 #Polls network ever 1 sec.
options PREEMPTION #Allow kernel to be
preempted by higher priority threads
options ADAPTIVE_GIANT #This improves the
performance of SMP machines
options KDB #Kernel debugger
options DDB #Support DDB.
options GDB #Support remote GDB.
makeoptions DEBUG=-g #Build kernel with gdb(1)
debug symbols
options KDB_UNATTENDED #Automatic reboot on Kernel
panic
#options BEEP_ONHALT #Beeps the speaker multiple
times when it is safe to power off the machine
#options BEEP_ONHALT_COUNT=3 # Times to beep
#options BEEP_ONHALT_PITCH=1500 # Default frequency (in Hz)
#options BEEP_ONHALT_PERIOD=250 # Default duration (in
msecs)
options TCP_DROP_SYNFIN #This prevents OS
fingerprinting but breaks support for RFC1644
device pf #Use the OpenBSD
packetfilter
device carp #Enable CARP (OpenBSD)
#options DUMMYNET #Dummynet for loadbalancing
#options IPFIREWALL #Enable IPFW firewalling
#options IPFIREWALL_VERBOSE #Enable Logging of packets
#options IPFIREWALL_VERBOSE_LIMIT=100
#options IPFIREWALL_FORWARD
#options IPDIVERT #Divert Sockets
options IPSTEALTH #Support for stealth
forwarding packets w/o touching the TTL of packets
options SUIDDIR
options INET #InterNETworking
options INET6 #IPv6 communications
protocols
#
# PERFMON causes the driver for Pentium/Pentium Pro performance counters
# to be compiled. See perfmon(4) for more information.
#
options PERFMON
device acpi #ACPI support
device agp #AGP GART support
device apic #I/O apic
device ipmi
options GEOM_GPT # GUID Partition Tables.
options MAXDSIZ=(1224*1024*1024)
options DFLDSIZ=(1224*1024*1024)
options MAXSSIZ=(128*1024*1024)
# Optional:
options MPTABLE_FORCE_HTT # Enable HTT CPUs with the MP Table
options IPI_PREEMPTION
# Broadcom Gigabit Ethernet
device bce
options FFS #Berkeley Fast Filesystem
options SOFTUPDATES #Enable FFS soft updates
support
options UFS_DIRHASH #Improve performance on big
directories
options UFS_ACL #Support for access control
lists
options MD_ROOT #MD is a potential root
device
#options NFS #Network Filesystem
#options NFS_ROOT #NFS usable as root device,
NFS required
options QUOTA #Enable disk quotas
options MSDOSFS #MSDOS Filesystem
options CD9660 #ISO 9660 Filesystem
#options CD9660_ROOT #CD-ROM usable as root,
CD9660 required
options PSEUDOFS #Pseudo-filesystem framework
options PROCFS #Process filesystem
options COMPAT_43 #Compatible with BSD 4.3
[KEEP THIS!]
options SCSI_DELAY=1500 #Delay (in ms) before
probing SCSI
#options UCONSOLE #Allow users to grab the
console
#options USERCONFIG #boot -c editor
#options USER_LDT #Allow user-level control of
i386 ldt
#options VISUAL_USERCONFIG #visual boot -c editor
options KTRACE #ktrace(1) support
options SYSVSHM #SYSV-style shared memory
options SYSVMSG #SYSV-style message queues
options SYSVSEM #SYSV-style semaphores
options SC_KERNEL_CONS_ATTR=(FG_LIGHTRED|BG_BLACK) # kernel message
will be printed bright red on black background
options SC_KERNEL_CONS_REV_ATTR=(FG_BLACK|BG_RED) # The reversed
message will be black on red background
options MSGMNB=8192 # max # of bytes in a queue
options MSGMNI=40 # number of message queue
identifiers
options MSGSEG=512 # number of message segments
per queue
options MSGSSZ=64 # size of a message segment
options MSGTQL=2048 # max messages in system
#options P1003_1B #Posix P1003_1B real-time
extensions
options _KPOSIX_PRIORITY_SCHEDULING
#options ICmP_BANDLIM #Rate limit bad
replies
options KBD_INSTALL_CDEV #install a CDEV entry in
/dev
options IPFILTER #Packetfilter
options IPFILTER_LOG #Log denied connections
#options IPFILTER_DEFAULT_BLOCK #Per default block all
traffic
options VESA
device sc
options SC_PIXEL_MODE
#options IPSEC #IPSec encryption req. for
VPN
#options IPSEC_ESP #
#options IPSEC_DEBUG #debug for IPSEC - optional
options KBD_INSTALL_CDEV #Install CDEV entry in /dev
options ADAPTIVE_GIANT #Giant mutex is adaptive
options DDB
options DDB_NUMSYM
options SW_WATCHDOG #Software watchdog
# To make an SMP kernel, the next two are needed
options SMP # Symmetric MultiProcessor Kernel
#options APIC_IO # Symmetric (APIC) I/O
#device mca
#device eisa
device isa
device pci
# ALTQ options
#options ALTQ #alternate queueing
options ALTQ_CBQ #class based queueing
#options ALTQ_WFQ #weighted fair queueing
#options ALTQ_FIFOQ #fifo queueing
options ALTQ_RED #random early detection
#options ALTQ_FLOWVALVE #flowvalve for RED (needs RED)
options ALTQ_RIO #triple red for diffserv (needs RED)
#options ALTQ_LOCALQ #local use
options ALTQ_HFSC #hierarchical fair service curve
#options ALTQ_JOBS #joint buffer management and scheduling
#options ALTQ_IPSEC #check ipsec in IPv4
options ALTQ_CDNR #diffserv traffic conditioner
#options ALTQ_BLUE #blue by wu-chang feng
options ALTQ_PRIQ #priority queue
#options ALTQ_NOPCC #don't use processor cycle counter
#options ALTQ_DEBUG #for debugging
# you might want to set kernel timer to 1kHz if you use CBQ,
# especially with 100baseT
# options added for ALTQ
#options MROUTING # Multicast routing
#pseudo-device atm
#device en
#options NATM #native mode atm
# DAC960 Mylex SCSI RAID
#device mlx
# Floppy drives
device fdc
# If you have a Toshiba Libretto with its Y-E Data PCMCIA floppy,
# don't use the above line for fdc0 but the following one:
#device fdc0
# ATA and ATAPI devices
device atapicam # SCSI emulation for IDE
device ata
device atadisk # ATA disk drives
device ataraid # ATA RAID drives
device atapicd # ATAPI CDROM drives
#device atapifd # ATAPI floppy drives
#device atapist # ATAPI tape drives
options ATA_STATIC_ID # Static device numbering
#device ar # Promise IDE RAID
# SCSI Controllers
#device ahb # EISA AHA1742 family
#device ahc # AHA2940 and onboard AIC7xxx devices
#device amd # AMD 53C974 (Tekram DC-390(T))
#device isp # Qlogic family
#device ncr # NCR/Symbios Logic
device sym # NCR/Symbios Logic (newer chipsets)
#options SYM_SETUP_LP_PROBE_MAP=0x40
# Allow ncr to attach legacy NCR devices
when
# both sym and ncr are configured
#device ncv # NCR 53C500
#device nsp # Workbit Ninja SCSI-3
#device stg # TMC 18C30/18C50
# SCSI peripherals
device scbus # SCSI bus (required)
device da # Direct Access (disks)
#device sa # Sequential Access (tape etc)
#device cd # CD
device pass # Passthrough device (direct SCSI access)
# RAID controllers interfaced to the SCSI subsystem
#device asr # DPT SmartRAID V, VI and Adaptec SCSI RAID
#device dpt # DPT Smartcache - See LINT for options!
#device iir # Intel Integrated RAID
#device mly # Mylex AcceleRAID/eXtremeRAID
#device ciss # Compaq SmartRAID 5* series
# RAID controllers
#device aac # Adaptec FSA RAID, Dell PERC2/PERC3
#device aacp # SCSI passthrough for aac (requires CAM)
device ida # Compaq Smart RAID
#device amr # AMI MegaRAID
#device mlx # Mylex DAC960 family
#device twe # 3ware Escalade
# atkbdc0 controls both the keyboard and the PS/2 mouse
device atkbdc # AT keyboard controller
device atkbd # AT keyboard
device psm # PS/2 mouse
device vga
# splash screen/screen saver
device splash
# syscons is the default console driver, resembling an SCO console
device sc
# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
#device vt0 at isa?
#options XSERVER # support for X server on a vt
console
#options FAT_CURSOR # start with block cursor
# If you have a ThinkPAD, uncomment this along with the rest of the PCVT
lines
#options PCVT_SCANSET=2 # IBM keyboards are non-std
# Floating point support - do not disable.
device npx
# Power management support (see LINT for more options)
#device apm
#device gzip #Exec gzipped a.out's. REQUIRES
COMPAT_AOUT!
#device apm_saver # Requires APM
# Serial (COM) ports
device sio # 8250, 16[45]50 based serial ports
# Parallel port
device ppc
device ppbus # Parallel port bus (required)
device lpt # Printer
#device plip # TCP/IP over parallel
#device ppi # Parallel port interface device
#device vpo # Requires scbus and da
# PCI Ethernet NICs.
#device de # DEC/Intel DC21x4x (``Tulip'')
#device em # Intel PRO/1000 adapter Gigabit Ethernet
Card (``Wiseman'')
#device txp # 3Com 3cR990 (``Typhoon'')
#device vx # 3Com 3c590, 3c595 (``Vortex'')
# PCI Ethernet NICs that use the common MII bus controller code.
# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
device miibus # MII bus support
#device de # DEC/Intel 21143 based Fast Ethernet NICs /
ZYNX ZX 3xx
#device dc # DEC/Intel 21143 and various workalikes
#device fxp # Intel EtherExpress PRO/100B (82557, 82558)
#device pcn # AMD Am79C97x PCI 10/100 NICs
device rl # RealTek 8129/8139
#device sf # Adaptec AIC-6915 (``Starfire'')
#device sis # Silicon Integrated Systems SiS 900/SiS
7016
#device ste # Sundance ST201 (D-Link DFE-550TX)
device tl # Texas Instruments ThunderLAN
#device tx # SMC EtherPower II (83c170 ``EPIC'')
#device vr # VIA Rhine, Rhine II
#device wb # Winbond W89C840F
device sk # Marvell Gigabit
device xl # 3Com 3c90x (``Boomerang'', ``Cyclone'')
#device bge # Broadcom BCM570x (``Tigon III'')
# Pseudo devices - the number indicates how many units to allocate.
device mem # Memory and kernel memory devices
device io # I/O device
device random # Entropy device
device loop # Network loopback
device ether # Ethernet support
device sl # Kernel SLIP
device ppp # Kernel PPP
device tun # Packet tunnel.
device pty # Pseudo-ttys (telnet etc)
device md # Memory "disks"
device gif # IPv6 and IPv4 tunneling
device faith # IPv6-to-IPv4 relaying (translation)
# The `bpf' pseudo-device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
device bpf #Berkeley packet filter
# USB support
#device uhci # UHCI PCI->USB interface
#device ohci # OHCI PCI->USB interface
#device usb # USB Bus (required)
#device ugen # Generic
#device uhid # "Human Interface Devices"
#device ukbd # Keyboard
#device ulpt # Printer
#device umass # Disks/Mass storage - Requires scbus and da
#device ums # Mouse
Thanks for your help.
Remy.
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