Di komputer saya yang AMD Athlon 1.2 Ghz, 1.18 GB ram dengan Linux
Mandrake 8.1 , saya baru extract
hasil research saya. Ada kira kira 150 files tar.gz, saya extract ke
suatu directory (total data ada 1 gigaan).
Yang saya perhatikan si hard disk IDE nya, Maxtor Diamond Max 40 GB,
sering sekali "kalah cepet" dibanding memory, akibatnya sering sekali
beberapa saat, komputernya "bengong" sementara si hard disk cepat cepat
nulis data yang ada di memory ke hard drive. Saya tahu ini, soalnya saya
ngeextractnya secara remote (pakai ssh), maklum komputernya ada di
kampus, sedang saya lagi di rumah ;).
Sekedar ingin tahu, kalau saya pakai FreeBSD misalnya, apakah hal yang
sama akan dialami juga ? (hard disk kalah cepet sama memory, akibatnya
komputer beberapa kali bengong), atau tidak ?
PS: kalau seperti ini bahaya sekali ya, mendadak listrik mati, padahal
data 500 MB masih ada di memory, ya bablas langsung ...
Beberapa informasi mengenai komputernya sbb...
[root@phxby fd]# hdparm -tT /dev/hda
/dev/hda:
Timing buffer-cache reads: 128 MB in 0.75 seconds =170.67 MB/sec
Timing buffered disk reads: 64 MB in 26.45 seconds = 2.42 MB/sec
[root@phxby fd]#
[phxby@phxby phxby]$ vmstat 1
procs memory swap io system
cpu
r b w swpd free buff cache si so bi bo in cs us
sy id
4 0 1 932 9844 29108 925512 0 0 4 18 224 312 95
2 4
7 0 2 932 9424 29160 925864 0 0 1816 124 458 3554 26
74 0
3 0 0 932 9476 29216 925732 0 0 1948 0 372 4013 19
81 0
4 0 0 932 9492 29260 925656 0 0 1948 0 380 3837 21
79 0
3 0 1 932 9412 29428 925528 0 0 2048 0 400 4093 20
79 1
3 0 0 932 9476 29636 925204 0 0 1948 0 387 3377 20
80 0
4 0 1 932 9392 29684 925212 0 0 1944 0 382 3862 20
79 1
6 0 1 932 9504 29732 925048 0 0 1944 0 378 4075 19
81 0
3 0 0 932 9504 29780 924988 0 0 1880 0 372 3707 25
75 0
5 0 1 932 9464 29832 924964 0 0 1988 0 405 3898 23
77 0
5 0 0 932 9472 29908 924840 0 0 1968 0 441 3865 17
83 0
5 0 1 932 9476 30076 924652 0 0 1792 56 423 3749 23
76 1
3 0 0 932 9432 30200 924544 0 0 1884 0 373 3991 26
74 0
4 0 1 932 9480 30376 924284 0 0 2000 0 397 3805 21
78 1
4 0 1 932 9412 30604 924080 0 0 2000 0 389 4292 19
81 0
4 0 0 932 9512 30840 923720 0 0 1896 0 375 3895 23
76 1
4 0 1 932 9412 30976 923652 0 0 2048 0 392 4039 21
79 0
5 0 1 932 9440 31104 923460 0 0 1992 0 387 3985 23
77 0
5 0 1 932 9444 31312 923208 0 0 1992 0 383 4150 22
78 0
5 0 1 932 9452 31636 922824 0 0 1920 0 370 4270 25
75 0
5 0 1 932 9504 31812 922540 0 0 2044 0 401 3653 20
80 0
5 0 1 932 9396 32024 922404 0 0 1992 0 386 3998 23
77 0
1 0 0 932 9784 32060 922300 0 0 1820 0 356 4131 25
74 1
1 0 0 932 9784 32060 922300 0 0 0 0 118 284 100
0 0
1 0 0 932 9780 32060 922300 0 0 0 0 112 273 100
0 0
1 0 0 932 9768 32072 922300 0 0 12 0 128 283 99
1 0
1 0 0 932 9768 32072 922300 0 0 0 0 118 276 100
0 0
1 0 0 932 9768 32072 922300 0 0 0 0 119 270 100
0 0
1 0 0 932 9768 32072 922300 0 0 0 0 113 283 100
0 0
2 0 0 932 9768 32072 922300 0 0 0 0 111 269 100
0 0
7 0 0 932 9800 32072 922300 0 0 0 3968 745 262 35
65 0
1 0 0 932 9768 32072 922300 0 0 0 0 117 378 99
0 1
1 0 0 932 9768 32072 922300 0 0 0 0 118 316 100
0 0
1 0 0 932 9768 32072 922300 0 0 0 0 119 302 100
0 0
You have new mail in /var/spool/mail/phxby
[phxby@phxby phxby]$
[phxby@phxby phxby]$ free
total used free shared buffers
cached
Mem: 1157960 1087972 69988 0 33248
853756
-/+ buffers/cache: 200968 956992
Swap: 538136 932 537204
You have new mail in /var/spool/mail/phxby
[phxby@phxby phxby]$
[phxby@phxby phxby]$ cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 6
model : 4
model name : AMD Athlon(tm) Processor
stepping : 2
cpu MHz : 1208.840
cache size : 256 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 mmx fxsr syscall mmxext 3dnowext 3dnow
bogomips : 2411.72
[phxby@phxby phxby]$
(mengenai memory yang digunakan, tadinya cuman digunakan sekitar 300 MB,
sehabis ngextract data research tersebut, memory yang terpakai langsung
1 gigaan)
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