[B! HDD][Perl] pmakinoã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

pmakino id:pmakino

HDDã¨Perlã«é–¢ã™ã‚‹pmakinoã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (3)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

Linuxä¸Šã§ãƒ—ãƒã‚»ã‚¹æ¯Žã®I/Oã‚’èª¿æŸ»ã™ã‚‹ãƒ„ãƒ¼ãƒ« piotop.pl ã‚’ã•ã‚‰ã«æ”¹é€
äººé–“ã¨ã‚¦ã‚§ãƒ–ã®æœªæ¥ï¼ˆæ—§ï¼‰ ã€Œã‚¦ã‚§ãƒ–ã®æ´å²ã¯äººé¡žã®æ´å²ã®ç¹°ã‚Šè¿”ã—ã€ã¨ã„ã†è¦³ç‚¹ã‹ã‚‰è‰²ã€…å‹‰å¼·ã—ã¦ã„ã¾ã™ã€‚2014å¹´ã¾ã§ã®äººé–“ã¨ã‚¦ã‚§ãƒ–ã®æœªæ¥ã®æ—§ãƒ–ãƒã‚°ã§ã™ã€‚ topã‚³ãƒžãƒ³ãƒ‰ã®ã‚ˆã†ã«ã€å®Ÿè¡Œä¸ã®ãƒ—ãƒã‚»ã‚¹ã¨ãƒ—ãƒã‚»ã‚¹ã®readã¨writeã®I/Oã‚’Bpsã§ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ ã§è¡¨ç¤ºã™ã‚‹ãƒ„ãƒ¼ãƒ«piotop.plã‚’Perlã®å¾©ç¿’ãŒã¦ã‚‰ä½œã£ã¦ã¿ã¾ã—ãŸã€‚ã•ã‚‰ã«ã€ãã‚Œã‚’OpenVZã‚„Virtuozzoï¼‹Pleskï¼‹Apacheã®ç’°å¢ƒã§ã€ã©ã®ã‚³ãƒ³ãƒ†ãƒŠã®ã©ã®ãƒ‰ãƒ¡ã‚¤ãƒ³ã®ã©ã®CGIã‚„PHPãŒã©ã®ç¨‹åº¦I/Oã‚’ä½¿ã£ã¦ã„ã‚‹ã®ã‹ã€ã¾ã§èª¿ã¹ã‚‹ã“ã¨ãŒã§ãã‚‹ã‚ˆã†ã«ã—ã¾ã—ãŸã€‚ ã¯ã˜ã‚ã« vmstatã‚„iostatç‰ãŒå€‹äººçš„ã«ã¯ã‚ã¾ã‚Šè¦‹ã‚„ã™ããªã„ã®ã¨ã€Webã‚µãƒ¼ãƒä¸Šã§ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã ã‘ã§ãªãã€å®Ÿéš›ã«HDDã¨ã®I/OãŒã©ã®ç¨‹åº¦ãªã®ã‹ã‚’ãƒ—ãƒã‚»ã‚¹å˜ä½ã§èª¿ã¹ãŸã„ã€ã¨ã„ã†ã®ãŒã‚‚ã¨ã‚‚ã¨ã®å‹•æ©Ÿã§ã™ã€‚ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ãŒå°‘ãªãã¦ã‚‚ã€ã‚µãƒ¼ãƒå†…éƒ¨ã§çŒ›çƒˆã«I/Oã™ã‚‹ã‚ˆã†ãªãƒ—ãƒã‚°
pmakino 2015/02/08
Linux

ã‚·ã‚¹ãƒ†ãƒ é‹ç”¨

Perl

HDD
ãƒªãƒ³ã‚¯
IOã®è² è·ã‚’ã‹ã‘ã¦ã„ã‚‹ãƒ—ãƒã‚»ã‚¹ã‚’èª¿ã¹ã‚‹ãŸã‚ã®ãƒ„ãƒ¼ãƒ« piotop - Perlå…¥é–€ã‚¼ãƒŸ
topã‚³ãƒžãƒ³ãƒ‰ã®ã‚ˆã†ã«ã€å®Ÿè¡Œä¸ã®ãƒ—ãƒã‚»ã‚¹ã¨ãƒ—ãƒã‚»ã‚¹ã®readã¨writeã®I/Oã‚’Bpsã§ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ ã§è¡¨ç¤ºã™ã‚‹ãƒ„ãƒ¼ãƒ«piotopã¨ã„ã†ã®ãŒGitHubã§å…¬é–‹ã•ã‚Œã¦ã„ã¾ã™ã€‚ -- Every 3 sec -- 13:59:10 up 13 days, 15:28, 11 users, load average: 0.22, 0.05, 0.01 pid state read write command cwd_path 1818 S (sleeping) 0bps 1Mbps kjournald / 13314 S (sleeping) 21Kbps 32Kbps rsync /backup 13312 D (disk sleep) 21Mbps 0bps rsync / 13313 D (disk sleep) 20Mbps 0bps rsync /backup 21561 S (sle
pmakino 2015/02/08
Linux

Perl

ã‚·ã‚¹ãƒ†ãƒ é‹ç”¨

HDD
ãƒªãƒ³ã‚¯
å®‰å…¨ãªãƒ•ã‚¡ã‚¤ãƒ«æ›¸ãæ›ãˆã«ã¯ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚‚ fsync ã™ã¹ãã€‚ã ã‘ã© Perl ã§ã©ã†æ›¸ãã‹ - kazuhoã®ãƒ¡ãƒ¢ç½®ãå ´
é–“é•ã£ã¦ãŸã‚‰ãƒ„ãƒƒã‚³ãƒŸãŠé¡˜ã„ã—ã¾ã™ã€‚ ext4 ãŒå‡ºãŸã‚¿ã‚¤ãƒŸãƒ³ã‚°ã§è©±é¡Œã«ãªã£ãŸã“ã¨ã ã‘ã©ã€(ext4 ã«é–¢ä¿‚ãªãä¸€èˆ¬è«–ã¨ã—ã¦) ãƒ•ã‚¡ã‚¤ãƒ«ã‚’å®‰å…¨ã«æ›¸ãæ›ãˆã‚‹ãŸã‚ã«ã¯ã€ã„ãã¤ã‹ã®æ‰‹é †ã‚’è¸ã‚€å¿…è¦ãŒã‚ã‚‹ã€‚ã§ã€Perl ã ã¨ã ã„ãŸã„ä»¥ä¸‹ã®ã‚ˆã†ã«ãªã‚‹ã€‚ # 1) é©å½“ãªãƒ†ãƒ³ãƒãƒ©ãƒªãƒ•ã‚¡ã‚¤ãƒ«å (æ ¼ç´å…ˆã¨åŒãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒª) my $newfn = "tmp.$$"; # 2) ãƒ•ã‚¡ã‚¤ãƒ«ã‚’æ›¸ã„ã¦ fsync open my $fh, '>', $newfn or die "failed to open file:$newfn:$!"; print $fh $data; IO::Handle::flush($fh); or die "flush failed:$!"; IO::Handle::sync($fh); or die "fsync failed:$!"; close $fh; # 3) å¤ã„ãƒ•ã‚¡ã‚¤ãƒ«ã‚’åˆ¥
pmakino 2010/02/03
Perl

HDD

OS
ãƒªãƒ³ã‚¯
1

ãŠçŸ¥ã‚‰ã›

ã‚‚ã£ã¨èªã‚€

å…¬å¼Twitter

@hatebu
æœ€æ–°ã®äººæ°—ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã®é…ä¿¡

ã‚ãƒ¼ãƒœãƒ¼ãƒ‰ã‚·ãƒ§ãƒ¼ãƒˆã‚«ãƒƒãƒˆä¸€è¦§

jæ¬¡ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

kå‰ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

lã‚ã¨ã§èªã‚€

eã‚³ãƒ¡ãƒ³ãƒˆä¸€è¦§ã‚’é–‹ã

oãƒšãƒ¼ã‚¸ã‚’é–‹ã

è¨å®šã‚’å¤‰æ›´ã—ã¾ã—ãŸx

ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

ã‚¿ã‚°

é–¢é€£ã‚¿ã‚°ã§çµžã‚Šè¾¼ã‚€ (3)

HDDã¨Perlã«é–¢ã™ã‚‹pmakinoã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (3)

ãŠçŸ¥ã‚‰ã›

ä»Šé€±ã®ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯æ•°ãƒ©ãƒ³ã‚ãƒ³ã‚°ï¼ˆ2024å¹´12æœˆç¬¬1é€±ï¼‰

æœˆé–“ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯æ•°ãƒ©ãƒ³ã‚ãƒ³ã‚°ï¼ˆ2024å¹´11æœˆï¼‰

ä»Šé€±ã®ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯æ•°ãƒ©ãƒ³ã‚ãƒ³ã‚°ï¼ˆ2024å¹´11æœˆç¬¬5é€±ï¼‰

å…¬å¼Twitter

ã‚ãƒ¼ãƒœãƒ¼ãƒ‰ã‚·ãƒ§ãƒ¼ãƒˆã‚«ãƒƒãƒˆä¸€è¦§

ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

å…¬å¼Twitter

ã¯ã¦ãªã®ã‚µãƒ¼ãƒ“ã‚¹

ã‚¿ã‚°

é–¢é€£ã‚¿ã‚°ã§çµžã‚Šè¾¼ã‚€ (3)

HDDã¨Perlã«é–¢ã™ã‚‹pmakinoã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (3)

Linuxä¸Šã§ãƒ—ãƒ­ã‚»ã‚¹æ¯Žã®I/Oã‚’èª¿æŸ»ã™ã‚‹ãƒ„ãƒ¼ãƒ« piotop.pl ã‚’ã•ã‚‰ã«æ”¹é€

IOã®è² è·ã‚’ã‹ã‘ã¦ã„ã‚‹ãƒ—ãƒ­ã‚»ã‚¹ã‚’èª¿ã¹ã‚‹ãŸã‚ã®ãƒ„ãƒ¼ãƒ« piotop - Perlå…¥é–€ã‚¼ãƒŸ

å®‰å…¨ãªãƒ•ã‚¡ã‚¤ãƒ«æ›¸ãæ›ãˆã«ã¯ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚‚ fsync ã™ã¹ãã€‚ã ã‘ã© Perl ã§ã©ã†æ›¸ãã‹ - kazuhoã®ãƒ¡ãƒ¢ç½®ãå ´

ãŠçŸ¥ã‚‰ã›

ä»Šé€±ã®ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯æ•°ãƒ©ãƒ³ã‚­ãƒ³ã‚°ï¼ˆ2024å¹´12æœˆç¬¬1é€±ï¼‰

æœˆé–“ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯æ•°ãƒ©ãƒ³ã‚­ãƒ³ã‚°ï¼ˆ2024å¹´11æœˆï¼‰

ä»Šé€±ã®ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯æ•°ãƒ©ãƒ³ã‚­ãƒ³ã‚°ï¼ˆ2024å¹´11æœˆç¬¬5é€±ï¼‰

å…¬å¼Twitter

ã‚­ãƒ¼ãƒœãƒ¼ãƒ‰ã‚·ãƒ§ãƒ¼ãƒˆã‚«ãƒƒãƒˆä¸€è¦§

ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

å…¬å¼Twitter

ã¯ã¦ãªã®ã‚µãƒ¼ãƒ“ã‚¹

é–¢é€£ã‚¿ã‚°ã§çµžã‚Šè¾¼ã‚€ (3)

HDDã¨Perlã«é–¢ã™ã‚‹pmakinoã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (3)

Linuxä¸Šã§ãƒ—ãƒã‚»ã‚¹æ¯Žã®I/Oã‚’èª¿æŸ»ã™ã‚‹ãƒ„ãƒ¼ãƒ« piotop.pl ã‚’ã•ã‚‰ã«æ”¹é€

IOã®è² è·ã‚’ã‹ã‘ã¦ã„ã‚‹ãƒ—ãƒã‚»ã‚¹ã‚’èª¿ã¹ã‚‹ãŸã‚ã®ãƒ„ãƒ¼ãƒ« piotop - Perlå…¥é–€ã‚¼ãƒŸ

å®‰å…¨ãªãƒ•ã‚¡ã‚¤ãƒ«æ›¸ãæ›ãˆã«ã¯ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚‚ fsync ã™ã¹ãã€‚ã ã‘ã© Perl ã§ã©ã†æ›¸ãã‹ - kazuhoã®ãƒ¡ãƒ¢ç½®ãå ´

ãŠçŸ¥ã‚‰ã›

ä»Šé€±ã®ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯æ•°ãƒ©ãƒ³ã‚ãƒ³ã‚°ï¼ˆ2024å¹´12æœˆç¬¬1é€±ï¼‰

æœˆé–“ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯æ•°ãƒ©ãƒ³ã‚ãƒ³ã‚°ï¼ˆ2024å¹´11æœˆï¼‰

ä»Šé€±ã®ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯æ•°ãƒ©ãƒ³ã‚ãƒ³ã‚°ï¼ˆ2024å¹´11æœˆç¬¬5é€±ï¼‰

å…¬å¼Twitter

ã‚ãƒ¼ãƒœãƒ¼ãƒ‰ã‚·ãƒ§ãƒ¼ãƒˆã‚«ãƒƒãƒˆä¸€è¦§

ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

å…¬å¼Twitter

ã¯ã¦ãªã®ã‚µãƒ¼ãƒ“ã‚¹