10 second startup for emacs on system with 1GB ram Athlon64 3200. postgresql shared memory issues. vi ok immediate
Hi,
I use emacs routinely as my editor.
(I like vi too...
I actually wrote my phd thesis using vi on a vax 11-750 over a 1200 baud modem
(... maybe 300 baud ?) :) )
Emacs startup has gotten much slower once I changed some memory settings. No
xserver memory issues as X is not running. Just plain emacs
I have just setup a new Debian Sarge server with postgresql, a Asus A8v
motherboard with an Athlon64 3200 processor, debian kernel 2.6.8. I have 1GB
of RAM DDR400.
In order to get postgresql the resources it needs for a big database and many
connections, I allocated memory resources for it.
This involved setting
shmmax to 425000000 from its debian default of
33554432.
I also set the following parameters in the postgresql.conf file
shared_buffers = 48000
max_connections = 512
sort_mem = 4096
effective_cache_size = 4000
wal_buffers = 8
Now emacs takes 10 seconds to start up. Vi starts immediately as usual. Can
someone explain to me what is going on.
top
top - 17:49:12 up 1:38, 3 users, load average: 0.00, 0.00, 0.00
Tasks: 83 total, 2 running, 80 sleeping, 0 stopped, 1 zombie
Cpu(s): 0.0% us, 0.0% sy, 0.0% ni, 100.0% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 906736k total, 140896k used, 765840k free, 17768k buffers
Swap: 1951856k total, 0k used, 1951856k free, 69468k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1 root 16 0 1512 524 1360 S 0.0 0.1 0:00.45 init
2 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/0
3 root 5 -10 0 0 0 S 0.0 0.0 0:03.08 events/0
4 root 12 -10 0 0 0 S 0.0 0.0 0:00.00 khelper
5 root 15 -10 0 0 0 S 0.0 0.0 0:00.00 kacpid
38 root 5 -10 0 0 0 S 0.0 0.0 0:00.01 kblockd/0
48 root 20 0 0 0 0 S 0.0 0.0 0:00.00 pdflush
49 root 15 0 0 0 0 S 0.0 0.0 0:00.02 pdflush
51 root 5 -10 0 0 0 S 0.0 0.0 0:00.00 aio/0
50 root 25 0 0 0 0 S 0.0 0.0 0:00.00 kswapd0
193 root 25 0 0 0 0 S 0.0 0.0 0:00.00 kseriod
Thanks,
Mitchell Laks
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