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JSONãƒ‡ãƒ¼ã‚¿åœ§ç¸®æ–¹å¼ã‚’Snappyã‹ã‚‰zstdã«åˆ‡ã‚Šæ›¿ãˆãŸäº‹ä¾‹ç´¹ä»‹ | BLOG - DeNA Engineering
JSONãƒ‡ãƒ¼ã‚¿åœ§ç¸®æ–¹å¼ã‚’zstdã«åˆ‡ã‚Šæ›¿ãˆãƒ‡ãƒ¼ã‚¿é‡ã‚’38.3%å‰Šæ¸›ã—ãŸäº‹ä¾‹ã€åŠã³ãƒžã‚¤ã‚¯ãƒã‚µãƒ¼ãƒ“ã‚¹ã®ç„¡åœæ¢ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆäº‹ä¾‹ã«ã¤ã„ã¦ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ã¯ã˜ã‚ã« JPRã‚²ãƒ¼ãƒ äº‹æ¥æœ¬éƒ¨é–‹ç™ºåŸºç›¤éƒ¨ã®æ± ç”°å‘¨å¹³ã§ã™ã€‚å…ˆæ—¥ Rails5å¯¾å¿œã«ã¤ã„ã¦DeNA techãƒ–ãƒã‚°ã«æŠ•ç¨¿ ã—ãŸ@namusyakaã¨åŒã˜ãƒãƒ¼ãƒ ã§åƒã„ã¦ã„ã¾ã™ã€‚ JSONæ–‡å—åˆ—ã‚’RDBã«æ ¼ç´ã™ã‚‹éš›ã®åœ§ç¸®ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã‚’Snappyã‹ã‚‰zstdã«åˆ‡ã‚Šæ›¿ãˆã€ãƒ‡ãƒ¼ã‚¿é‡ã‚’å‰Šæ¸›ã—ãŸäº‹ä¾‹ã‚’ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚æœ¬å¯¾å¿œã‚’å®Ÿæ–½ã—ãŸç›®çš„ã¯DBè² è·å¯¾ç–ã§ã™ã€‚DBã§æ‰±ã†ãƒ‡ãƒ¼ã‚¿ã‚’ã‚ˆã‚Šå°ã•ãã™ã‚‹ã“ã¨ã§ã€DBã‚µãƒ¼ãƒã®DiskI/Oè² è·ã¨Master-Slaveé–“ã®ãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³é…å»¶å¯¾ç–ã‚’ç›®çš„ã¨ã—ã¦ã„ã¾ã™ã€‚ ã€ŒSakashoã€ã¯ã€DeNAãŒæŒã¤ãƒ¢ãƒã‚¤ãƒ«ã‚²ãƒ¼ãƒ ã®ãŸã‚ã®ãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ ã§ã™ã€‚è¤‡æ•°ã‚¿ã‚¤ãƒˆãƒ«ã®ã‚²ãƒ¼ãƒ ã‚’å–ã‚Šæ‰±ã£ã¦ãŠã‚Šã€ä¸€éƒ¨ãƒ‡ãƒ¼ã‚¿ã¯ã‚²ãƒ¼ãƒ æ¯Žã®ä»•æ§˜å·®ã‚’å¸åŽã—
teppeis 2017/06/27
json

performance
ãƒªãƒ³ã‚¯
Jacksoné–‹ç™ºè€…ã®Tatu Salorantaæ°ãŒJSONãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã«å›žç”
Spring Bootã«ã‚ˆã‚‹APIãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰æ§‹ç¯‰å®Ÿè·µã‚¬ã‚¤ãƒ‰ ç¬¬2ç‰ˆ ä½•åƒäººã‚‚ã®é–‹ç™ºè€…ãŒã€InfoQã®ãƒŸãƒ‹ãƒ–ãƒƒã‚¯ã€ŒPractical Guide to Building an API Back End with Spring Bootã€ã‹ã‚‰ã€Spring Bootã‚’ä½¿ã£ãŸREST APIæ§‹ç¯‰ã®åŸºç¤Žã‚’å¦ã‚“ã ã€‚ã“ã®æœ¬ã§ã¯ã€å‡ºç‰ˆæ™‚ã«æ–°ã—ããƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§ã‚ã‚‹ Spring Boot 2 ã‚’ä½¿ç”¨ã—ã¦ã„ã‚‹ã€‚ã—ã‹ã—ã€Spring Boot3ãŒæœ€è¿‘ãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã€é‡è¦ãªå¤‰...
teppeis 2015/11/01
Boonç…½ã‚ŠéŽãŽå•é¡Œ

java

json

performance
ãƒªãƒ³ã‚¯
Javaç”¨JSONãƒ‘ãƒ¼ã‚¶ã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã‚’ã—ãŸè©± | ã•ã«ã‚ã‚‰ãš
ã“ã®ãŸã³ JSON ãƒ‘ãƒ¼ã‚¶ã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã‚’æ›¸ãã¾ã—ãŸã®ã§ã€ã©ã†ãžã”æŸ»åŽä¸‹ã•ã„ã€‚ taichi/json-benchmarks Java8 ãŒã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«æ¸ˆã¿ã®ç’°å¢ƒã§ã€å½“è©²ãƒªãƒã‚¸ãƒˆãƒªã‚’ clone ã—ã¦ ã¨å®Ÿè¡Œã™ã‚‹äº‹ã§è¿½è©¦ã§ãã¾ã™ã€‚ çµæžœã«ã¤ã„ã¦#jackson-databind ãŒæœ€é€Ÿãªã®ã§æ®†ã©ã®çš†æ§˜ã«ãŠã‹ã‚Œã¾ã—ã¦ã¯å®‰å¿ƒã—ã¦ä¸‹ã•ã„ã€‚ ç‰¹ã«é©šãã«å€¤ã™ã‚‹ã‚ˆã†ãªäº‹ã¯ä½•ã‚‚èµ·ãã¦ã„ã¾ã›ã‚“ã€‚ åƒ•ã®ãƒžã‚·ãƒ³ã§å®Ÿè¡Œã—ãŸçµæžœã¯ã“ã¡ã‚‰ã§ã™ã€‚ï¼ˆã‚¨ãƒ“ãƒ‡ãƒ³ã‚¹ãŒç„¡ã„ã¨ã®æŒ‡æ‘˜ã‚’å—ã‘è¿½è¨˜ã—ã¾ã—ãŸã€‚ï¼‰ Json benchmark resultsçµæ§‹ãªé•·æ–‡ã«ãªã£ã¦ã—ã¾ã„ã¾ã—ãŸã®ã§ã€ãƒžãƒ‹ã‚¢ãªçš†æ§˜ã ã‘ãŒç¶šãã‚’èªã‚“ã§ä¸‹ã•ã„ã€‚ èª²é¡Œè¨å®šã«ã¤ã„ã¦#ã¾ãšã€ãŠãŠã¾ã‹ãªèª²é¡Œè¨å®šã«ã¤ã„ã¦èª¬æ˜Žã—ã¾ã™ã€‚ JMH ã‚’ä½¿ã£ãŸæœ¬æ ¼çš„ãªãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã‚’æ›¸ãJava ç”¨ JSON ãƒ‘ãƒ¼ã‚¶ã®ã‚·ãƒ§ãƒ¼ã‚±ãƒ¼ã‚¹ã‚’ä½œã‚‹äº‹ã§ä½¿ã„æ˜“ã„ã‚‚ã®ã‚’æ˜Žã‚‰ã‹ã«ã™ã‚‹çµå±€ã©ã®ãƒ‘ãƒ¼ã‚¶ãŒé€Ÿã„ã®
teppeis 2015/11/01
java

json

performance
ãƒªãƒ³ã‚¯
JavaScriptã®é¡”èªè˜ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã—ãŸã‚‰å®Ÿç”¨ãƒ¬ãƒ™ãƒ«ã«ãªã£ãŸã¨ã„ã†è©± (Kanasansoft Web Lab.)
ãŸã ã€WebRTCã§é¡”èªè˜ã•ã›ã‚ˆã†ã¨ã™ã‚‹ã¨é…ãã¦ã—ã‹ãŸãŒãªã‹ã£ãŸã€‚ æœ€åˆã¯é€Ÿã„ã“ã¨ã‚‚ã‚ã‚‹ãŒã€10å›žãã‚‰ã„èªè˜ã‚’ã•ã›ã‚‹ã¨ã™ãã«é…ããªã‚‹ã€‚ ã¨ã‚Šã‚ãˆãšã€ãƒ‡ãƒ¢ã€‚ ãã“ã§ã€ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã‚’ã—ã¦ã¿ã‚‹ã“ã¨ã«ã—ãŸã€‚ ã¾ãšã€JavaScriptã®å®šç•ªã®é«˜é€ŸåŒ–ã‚’è©¦ã—ã¦ã¿ãŸã€‚ ä¾‹ãˆã°ã€æ£ã®æ•°ã§ä½¿ãˆã‚‹ã€ŒMath.floor(x)ã€ã‚’ã€Œ(xÂ |Â 0)ã€ã«ã€æ•´æ•°ã§ä½¿ãˆã‚‹ã€ŒxÂ *Â Math.pow(2,Â y)ã€ã‚’ã€ŒxÂ <<Â yã€ã«ã™ã‚‹ç‰ã€‚ ã“ã‚Œã§ã€10~30%é«˜é€ŸåŒ–ã§ããŸã€‚ æ¬¡ã«ã€é…ããªã£ã¦ã„ã‚‹éƒ¨åˆ†ã‚’èª¿ã¹ãŸã‚‰ã€WebÂ Workersã§åˆ†æ•£ã™ã‚‹ãŸã‚ã®ä»•çµ„ã¿ãŒé…ããªã‚‹åŽŸå› ã ã¨ã‚ã‹ã£ãŸã€‚ ã“ã‚Œã¯ã€WebÂ Workersã‚’ä½¿ã‚ãªã„å ´åˆã«ã‚‚å½±éŸ¿ãŒå‡ºã¦ã„ãŸã€‚ ã˜ã‚ƒã‚ã€WebÂ Workersã‚’ä½¿ãˆã°é€Ÿããªã‚‹ã®ã‹ã¨ã„ãˆã°ãã®é€†ã§ã€20å€é…ããªã£ã¦ã„ãŸã€‚ è©³ã—ãã¯èª¿ã¹ã¦ãªã„ã‘ã©ã€å¤šåˆ†Workerã‚¹ãƒ¬ãƒƒãƒ‰ã«å‡¦ç†ãƒ‡ãƒ¼ã‚¿ã‚’æ¸¡ã™æ™‚ã«JSONåŒ–ãŒ
teppeis 2012/05/04
javascript

performance

worker

json
ãƒªãƒ³ã‚¯
JSON Compression algorithms
About JSON (Java Script Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. It can be used as a data interchange format, just like XML. When comparing JSON to XML, it has several advantages over the last one. JSON is really simple, it has a self-documenting format, it is much shorter because there is no
teppeis 2012/04/23
CJSON, HPackã€‚ã¨ã‚Šã‚ãˆãšgzipã•ãˆã—ã¨ã‘ã°ã„ã„ã‹ãªã€‚

json

performance
ãƒªãƒ³ã‚¯
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