Re: [HACKERS] fsync vs open_sync

>> Anyway, with fsync enabled using standard fsync(), I get roughly
> 300-400
>> inserts per second. With fsync disabled, I get about 7000 inserts per
>> second. When I re-enable fsync but use the open_sync option, I can get
>> about 2500 inserts per second.
>
> You are getting 300-400 inserts/sec with fsync on? If you don't mind me
> asking, what's your hardware? (also, have you checked fsync on #s with
> the new bgwriter in 7.5?)
>

300 inserts persecond with fsync on using fdatasync. 2500 inserts per
second with fsync on using open_sync.

[mwoodward(at)penguin-021 mwoodward]$ cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Xeon(TM) CPU 2.40GHz
stepping : 5
cpu MHz : 2399.373
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid
bogomips : 4784.12

Linux node1 2.4.25 #1 Mon Mar 22 13:33:41 EST 2004 i686 i686 i386 GNU/Linux

ide2: BM-DMA at 0xc400-0xc407, BIOS settings: hde:pio, hdf:pio
hde: Maxtor 6Y200P0, ATA DISK drive
hde: attached ide-disk driver.
hde: host protected area => 1
hde: 398297088 sectors (203928 MB) w/7936KiB Cache, CHS=24792/255/63,
UDMA(100)

PDC20268: IDE controller at PCI slot 06:05.0