[B! memory] akira1908jpã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

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memoryã«é–¢ã™ã‚‹akira1908jpã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (6)

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Javaã®-Xmsã¯Memory Startingã®ç•¥ï¼Ÿ - ãã—ã ã®Hatena
Javaã®ãƒ¡ãƒ¢ãƒªç¢ºä¿æŒ‡å®šã®ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã§ã€æœ€å¤§ãƒ¡ãƒ¢ãƒªã¯-Xmxã€åˆæœŸãƒ¡ãƒ¢ãƒªã¯-Xmsã§æŒ‡å®šã—ã¾ã™ã€‚ -Xmxã®ã»ã†ã¯Memory maXimumã‹ãªãƒ¼ã¨æ„Ÿã˜ã‚‹ã®ã ã‘ã©ã€-Xmsã®ã»ã†ã¯minimumã§ã‚‚ãªã„ã—ãªã‚“ã ã‚ãƒ¼ã¨æ€ã„ãªãŒã‚‰ã€Œã¾ãæ°—ã«ã—ã¦ã‚‚ã—ã‹ãŸãªã„ã€ã¨25å¹´ãã‚‰ã„æ”¾ç½®ã—ã¦ãŸã‚ã‘ã§ã™ã€‚ ãã‚ŒãŒã¡ã‚‡ã£ã¨Twitterã§è©±é¡Œã«ãªã£ã¦ã¦ã€èª¿ã¹ã¦ã¿ãŸã‚‰Stack Overflowã«ãã‚Œã£ã½ã„ã‚‚ã®ãŒã‚ã‚Šã¾ã—ãŸã€‚ Yes, ms = minimum heap size / heap memory start size and mx = maximum heap size. https://stackoverflow.com/questions/58164083/why-did-java-chose-xmx-and-xms-naming-convention-for-heap-sizes -Xmsã¯
akira1908jp 2022/10/07
java

memory

ãƒ¡ãƒ¢ãƒª
ãƒªãƒ³ã‚¯
PHP7.4 ã¼ãã®ã‹ã‚“ãŒãˆãŸã•ã„ãã‚‡ã†ã®php.ini - Qiita
ã‚¹ãƒˆãƒ¼ãƒªãƒ¼ PHPã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ãŸã‚‰å¿…ãšè¡Œã† php.ini ã®è¨å®šã§ã™ãŒã€ ãƒãƒƒãƒˆä¸Šã§ã¯PHP5ç³»ã®æƒ…å ±ãŒãŸãã•ã‚“å‡ºå›žã£ã¦ãŠã‚Šã€éžæŽ¨å¥¨ã¾ãŸã¯å‰Šé™¤ã•ã‚ŒãŸè¨å®šä¾‹ãŒæ•°å¤šãå›°ã‚Šæžœã¦ã¦ã„ã¾ã—ãŸã€‚ è‰¯ã„æ„Ÿã˜ã«ã¾ã¨ã‚ã¦ãã‚Œã¦ã‚‹ã‚µã‚¤ãƒˆãŒè¦‹ã¤ã‹ã‚‰ãªã‹ã£ãŸã®ã§ã€æœ€å¼·ã§ãƒ™ã‚¹ãƒˆãƒ—ãƒ©ã‚¯ãƒ†ã‚£ã‚¹ãª php.ini æŽ¨å¥¨è¨å®šã‚’è€ƒãˆã¾ã—ãŸã€‚ ç•°è«–ã¯å—ã‘ä»˜ã‘ã¾ã™ã®ã§ã€ãœã²ã‚³ãƒ¡ãƒ³ãƒˆãã ã•ã„ã€‚ å‚è€ƒè¨å®š PHPã§ã¯ã€é–‹ç™ºç”¨ã¨æœ¬ç•ªç”¨ã®è¨å®šä¾‹ã‚’ç”¨æ„ã—ã¦ãã‚Œã¦ã„ã¾ã™ã€‚ ãªã‚“ã¨ç´ æ™´ã‚‰ã—ã„ã“ã¨ãªã‚“ã§ã—ã‚‡ã†ã‹ã€‚ã“ã‚Œã‚’ãƒ™ãƒ¼ã‚¹ã«è¨å®šã—ã¾ã™ã€‚ https://github.com/php/php-src/blob/master/php.ini-development https://github.com/php/php-src/blob/master/php.ini-production äºˆã‚ä»¥å‰ã®è¨˜äº‹ã§è¨å®šã®å·®åˆ†ã‚’èª¿ã¹ã¦ãŠãã¾ã—ãŸã®ã§ã€ã‚ˆã‹
akira1908jp 2020/04/21
php

ã‚³ãƒ¼ãƒ‰

memory
ãƒªãƒ³ã‚¯
HDDãƒ™ãƒ¼ã‚¹ã®PCãŒè¶…ã‚µã‚¯ã‚µã‚¯ï¼ã‚¤ãƒ³ãƒ†ãƒ«ã€ŒOptane Memoryã€é€Ÿæ”»ãƒ¬ãƒ“ãƒ¥ãƒ¼ (1/3)
ä»Šå›žãƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸOptane Memoryã€ŒMEMPEK1W016GAXTã€ã¯é–‹ç™ºã‚³ãƒ¼ãƒ‰ãƒãƒ¼ãƒ â€œStony Beachâ€ã¨ã—ã¦çŸ¥ã‚‰ã‚Œã¦ã„ãŸã‚‚ã®ã€‚PCI ExpressÃ—2æŽ¥ç¶šãªã®ã§ç«¯åå´ã®Keyã¯Bï¼†Mã€ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã¯ä¸€èˆ¬çš„ãª2280ã§æä¾›ã•ã‚Œã‚‹ã€‚ 2017å¹´4æœˆ24æ—¥ï¼ˆç±³å›½æ™‚é–“ï¼‰ã€ã‚¤ãƒ³ãƒ†ãƒ«ã¯æ–°ãƒ¡ãƒ¢ãƒªãƒ¼æŠ€è¡“ã€Œ3D XPointã€ã‚’åˆ©ç”¨ã—ãŸæ–°ã—ã„è£½å“ã€ŒOptane Memoryã€ã®ç™ºå£²ã‚’é–‹å§‹ã—ãŸã€‚ã™ã§ã«åŒç¤¾ã¯3D XPointã‚’ä½¿ã£ãŸè£½å“ã¨ã—ã¦ã€ã€ŒOptane SSD DCÂ P4800Xã€ã¨ã„ã†ãƒ‡ãƒ¼ã‚¿ã‚»ãƒ³ã‚¿ãƒ¼å‘ã‘ã®è¶…é«˜æ€§èƒ½SSDã‚’ç™ºè¡¨æ¸ˆã¿ã ãŒã€Optane Memoryã¯ã”ãæ™®é€šã®PCãƒ¦ãƒ¼ã‚¶ãƒ¼ã‚’ã‚¿ãƒ¼ã‚²ãƒƒãƒˆã«ã—ãŸè£½å“ã ã€‚ ã¾ãšã€Optane Memoryã¯ä¸€èˆ¬çš„ã«ã‚¤ãƒ¡ãƒ¼ã‚¸ã™ã‚‹ãƒ¡ãƒ¢ãƒªãƒ¼ã¨ã¯é•ã†ã€‚ä½Žé€ŸãªSATAæŽ¥ç¶šã®ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ï¼ˆHDDã‚„SSDï¼‰ã¨çµ„ã¿åˆã‚ã›ã¦é«˜é€ŸåŒ–ã™ã‚‹ã‚ãƒ£ãƒƒã‚·ãƒ¥å°‚ç”¨ã®SSDã§ã‚ã‚Šã€
akira1908jp 2017/04/28
memory

OptaneMemory

Intel
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Uguisudani
2. uguisudaniã¨ã¯ â€¢ https://github.com/moriyoshi/ uguisudani/ â€¢ Pure PHP in-memory NoSQL server â€¢ 734 lines of code â€¢ Crash recovery (journaling) 3. uguisudaniã®æ§‹é€ Request Handler stream_select() Store Proxy Client Client Client Memory Store Journal Handler array() ãƒ¡ã‚¿ãƒ‡ãƒ¼ã‚¿ fwrite() Metadata 30ç§’ãŠãã« æ›¸ãå‡ºã— æ›´æ–°æ“ä½œã‚’ é€æ¬¡è¨˜éŒ² serialize() fwrite() fwrite() Data file file Journal File
akira1908jp 2014/10/13
memory

php
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"PHP Fatal error: Allowed memory size of xxx" ã§è½ã¡ã‚‹å‰ã«ã§ãã‚‹ã“ã¨ - ã·ãŽãŒã½ãŽ
PHP Advent Calendar 2013 - 7æ—¥ç›® æ˜¨æ—¥ã¯@hidenorigotoã•ã‚“ã®Beyond MVCã§ã—ãŸã€‚ ä»Šæ—¥ã¯ PHPã‚ã‚‹ã‚ã‚‹çš„ãªå•é¡Œã«å¯¾ã™ã‚‹å¯¾ç–ã«ã¤ã„ã¦å°‘ã—ã°ã‹ã‚Šæ›¸ããŸã„ã¨æ€ã„ã¾ã™ã€‚ â€» æ¯ãƒ–ãƒ©ã‚·ã‚’æŒãŸã›ã¦ã¿ãŸ *1 ãƒ¡ãƒ¢ãƒªä¸è¶³ã§ã‚ˆãã‚„ã‚‹å¯¾å¿œ PHPã§å¤§é‡ã®ãƒ‡ãƒ¼ã‚¿ã‚’æ‰±ã£ãŸã‚Šã™ã‚‹ã¨ã€è¨å®šã•ã‚ŒãŸåˆ©ç”¨å¯èƒ½ãªæœ€å¤§ãƒ¡ãƒ¢ãƒªä½¿ç”¨é‡ã‚’è¶…ãˆã¦ PHP Fatal error: Allowed memory size of 524288330 bytes exhausted (tried to allocate 351 bytes) in ....ã¨ã„ã†ã‚¨ãƒ©ãƒ¼ãŒç™ºç”Ÿã—ã¦å¯¾å¿œã«è¿½ã‚ã‚ŒãŸã“ã¨ã®çµŒé¨“ãŒã‚ã‚‹äººã¯ã‹ãªã‚Šå¤šã„ã¨æ€ã„ã¾ã™ã€‚ ãã‚‚ãã‚‚ç’°å¢ƒã®ãƒ¡ãƒ¢ãƒªã«ä½™è£•ãŒã‚ã‚‹ãªã‚‰memory_limitã‚’èª¿æ•´ã—ã¦ãƒ¡ãƒ¢ãƒªã®ä½¿ç”¨é‡ã‚’å¢—ã‚„ã—ãŸã‚Š ã‚ã¾ã‚Šä½™è£•ãŒãªã„å ´åˆã¯æš«å®šçš„å¯¾å¿œã¨ã—ã¦ã€è©²å½“å‡¦ç†éƒ¨åˆ†ã ã‘ <
akira1908jp 2013/12/07
php

memory
ãƒªãƒ³ã‚¯
ãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ã¨ã¯ä½•ã‹ - kuenishi's blog
ãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ã«æ‚©ã¾ã•ã‚Œã¦ã„ã‚‹æŠ€è¡“è€…ã¯å¤šã„ã ã‚ã†ã€‚ãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ãŒå«Œã§GCã¨ã„ã†æŠ€è¡“ãŒé–‹ç™ºã•ã‚ŒãŸã¨ã„ã£ã¦ã‚‚éŽè¨€ã§ã¯ãªã„ã—ã€æ´å²çš„ã«ã¯C++ã‹ã‚‰Javaã¸ã‚·ãƒ•ãƒˆãŒèµ·ããŸå¤§ããªç†ç”±ã®ã²ã¨ã¤ã¨ã„ã£ã¦ã„ã„ã€‚Unixç³»ã®ç°¡å˜ãªå®šç¾©ã§ã„ãˆã°ã€ãƒ’ãƒ¼ãƒ—é ˜åŸŸã‚’æŒ‡ã™ãƒã‚¤ãƒ³ã‚¿ï¼ˆã‚¢ãƒ‰ãƒ¬ã‚¹ï¼‰ã‚’ãƒã‚¹ãƒˆã—ã¦ã—ã¾ãˆã°ãã®ãƒ¡ãƒ¢ãƒªã¯ã‚‚ã†æ¼ã‚ŒãŸã¨ã„ã£ã¦ã‚ˆã„ã€‚ãŸã¨ãˆã°ã“ã†ã„ã£ãŸã‚³ãƒ¼ãƒ‰ã ã€‚ struct { int i; char c; } spam; int main(){ void* p; int i; for(i=0; i<1024; ++i){ p = malloc(sizeof(struct spam)); } pause(); } ã“ã®ã‚³ãƒ¼ãƒ‰ã§ã¯pause(3)ã®æ™‚ç‚¹ã§ç´„5KBã®ãƒ¡ãƒ¢ãƒªãŒæ¼ã‚Œã¦ã„ã‚‹ã€‚free(3)ã‚’ä½¿ãˆã°ãƒ¡ãƒ¢ãƒªã‚’OSã«è¿”å´ã§ãã‚‹ãŒã€ã‚¢ãƒ‰ãƒ¬ã‚¹ãŒåˆ†ã‹ã‚‰ãªã„ã®ã§è¿”å´ã§ããªã„ã€‚ ã¨ã“ã‚ãŒã€ã“ã“ã§ã„ã„ãŸã„ã®ã¯ã€ãƒ¡ãƒ¢ãƒª
akira1908jp 2013/04/23
memory

programming
ãƒªãƒ³ã‚¯
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