>> 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. [EMAIL PROTECTED] 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 ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster