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ttakezawa id:ttakezawa

cacheã«é–¢ã™ã‚‹ttakezawaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (23)

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ãƒ–ãƒ©ã‚¦ã‚¶ã®ã‚ãƒ£ãƒƒã‚·ãƒ¥ - Carpe Diem
æ¦‚è¦ Webãƒ•ãƒãƒ³ãƒˆã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹è¨ºæ– - Carpe Diem ã§æŒ‡æ‘˜ã•ã‚ŒãŸãƒ–ãƒ©ã‚¦ã‚¶ã‚ãƒ£ãƒƒã‚·ãƒ¥ã®å¯¾å¿œã‚’ã™ã‚‹ãŸã‚èª¿ã¹ã¦ã¿ã¾ã—ãŸã€‚ å¤§ããåˆ†ã‘ã¦å¼·ã„ã‚ãƒ£ãƒƒã‚·ãƒ¥ã¨å¼±ã„ã‚ãƒ£ãƒƒã‚·ãƒ¥ã®ï¼’ç¨®é¡žã®ã‚ãƒ£ãƒƒã‚·ãƒ¥ãŒã‚ã‚Šã¾ã™ã€‚ å¼·ã„ã‚ãƒ£ãƒƒã‚·ãƒ¥ ãƒ–ãƒ©ã‚¦ã‚¶å´ã§ãƒªã‚½ãƒ¼ã‚¹ã‚’ä¿æŒã—ã€æœŸé™ãŒåˆ‡ã‚Œã‚‹ã¾ã§ã‚µãƒ¼ãƒã«HTTPãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’ç™ºè¡Œã—ã¾ã›ã‚“ã€‚ ãªã®ã§ä¸€åº¦ãƒ–ãƒ©ã‚¦ã‚¶ã«ã‚ãƒ£ãƒƒã‚·ãƒ¥ã•ã‚Œã‚‹ã¨ã‚µãƒ¼ãƒå´ã‹ã‚‰ãƒãƒ³ãƒ‰ãƒªãƒ³ã‚°ã™ã‚‹ã“ã¨ãŒã§ããªããªã‚Šã¾ã™ã€‚ ã“ã‚Œã‚’è¨å®šã™ã‚‹æ–¹æ³•ã¯ Cache-Controlãƒ˜ãƒƒãƒ€ãƒ¼ Expiresãƒ˜ãƒƒãƒ€ãƒ¼ ã®ï¼’ã¤ãŒã‚ã‚Šã¾ã™ã€‚ Cache-Control: max-age ã‚µãƒ¼ãƒã‹ã‚‰ã®ãƒ¬ã‚¹ãƒãƒ³ã‚¹ã§ä»¥ä¸‹ã®ã‚ˆã†ã«Cache-Controlãƒ˜ãƒƒãƒ€ãƒ¼ã‚’ä»˜ã‘ã¾ã™ã€‚ Cache-Control: max-age=3600 ã“ã®ãƒ˜ãƒƒãƒ€ãƒ¼ãŒä»˜ã„ãŸãƒªã‚½ãƒ¼ã‚¹ã¯ãƒ–ãƒ©ã‚¦ã‚¶ä¸Šã§ã¯å¼·ã„ã‚ãƒ£ãƒƒã‚·ãƒ¥ã¨ã—ã¦æ®‹ã‚Šã¾ã™ã€‚ max-ageã¯ç§’æ•°ãªã®ã§ã€ã“
ttakezawa 2017/06/24
browser

cache
ãƒªãƒ³ã‚¯
Webã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ã‚ãƒ£ãƒƒã‚·ãƒ¥æˆ¦ç•¥ã¨ãã®ãƒ‘ã‚¿ãƒ¼ãƒ³ / Pattern and Strategy of Web Application Caching
YAPC::Kansai OSAKA 2017ã®è³‡æ–™ã§ã™
ttakezawa 2017/03/04
ã‚ã¨ã§èªã‚€

webservice

cache
ãƒªãƒ³ã‚¯
Mastering HTTP Caching
To use Content Delivery Networks as HTTP caches you need to know about the proper HTTP response headers: Which are relevant? How do they work? How to you use them? All this I try to answer in this article. The post does not claim to be exhaustive or even completely precise. In some instances, I will simplify and be opinionated for the sake of clarity, brevity and reduced complexity. This text hand
ttakezawa 2017/02/27
web

http

cdn

cache
ãƒªãƒ³ã‚¯
GitHub - golang/groupcache: groupcache is a caching and cache-filling library, intended as a replacement for memcached in many cases.
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ttakezawa 2015/04/20
golang

library

memcached

cache
ãƒªãƒ³ã‚¯
Compressing rails assets and nginx gzip
Do rake assets:precompile and you have to configure nginx for send gzip version of files, i use this configuration. user www-data www-data; worker_processes 4; pid /var/run/nginx.pid; events{ worker_connections 2048; use epoll; } http{ include mime.types; default_type application/octet-stream; error_log /var/log/nginx/error.log; access_log /var/log/nginx/access.log; server_tokens off; server_name_
ttakezawa 2014/12/10
rails

cache
ãƒªãƒ³ã‚¯
groupcacheâ€Ž ã§çµ„ã¿è¾¼ã¿åž‹åˆ†æ•£ã‚ãƒ£ãƒƒã‚·ãƒ¥ - Qiita
groupcacheâ€Ž ã¯ Go ã§æ›¸ã‹ã‚ŒãŸåˆ†æ•£ã‚ãƒ£ãƒƒã‚·ãƒ¥ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã§ã€è¤‡æ•°ãƒ—ãƒã‚»ã‚¹ã§ã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚’å…±æœ‰ã™ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒ ãŒç°¡å˜ã«æ›¸ã‘ã¾ã™ã€‚å¤šãã®ç”¨é€”ã§ memcached ã‚’ç½®ãæ›ãˆã‚‹ã“ã¨ã‚’ç›®æŒ‡ã—ã¦ã„ã¦ã€Google ã®ãƒ—ãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³ç’°å¢ƒã§ä½¿ã‚ã‚Œã¦ã„ã‚‹ã‚ˆã†ã§ã™ã€‚ å€‹äººçš„ã« groupcache ã®é…åŠ›ã¯ã€ ã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚’è¤‡æ•°ã®ãƒ”ã‚¢ã«åˆ†æ•£ã™ã‚‹ (sharding) ã‚ãƒ£ãƒƒã‚·ãƒ¥ã«ç„¡ã„ãƒ‡ãƒ¼ã‚¿ã‚’åŒæ™‚ã«å¤§é‡ã«ãƒªã‚¯ã‚¨ã‚¹ãƒˆã—ã¦ã‚‚ã€ã‚ãƒ£ãƒƒã‚·ãƒ¥ç”Ÿæˆå‡¦ç†ã¯1åº¦ã ã‘å®Ÿè¡Œã•ã‚Œã€ä»–ã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆã«ã¯ç”Ÿæˆã•ã‚ŒãŸã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚’è¿”ã™ï¼ˆåŽ³å¯†ã§ã¯ç„¡ã„ãŒã€ã ã„ãŸã„ã®å ´åˆ1åº¦ãã‚Šï¼‰ é »ç¹ã«ãƒªã‚¯ã‚¨ã‚¹ãƒˆã•ã‚Œã‚‹ãƒ‡ãƒ¼ã‚¿ãŒãƒªãƒ¢ãƒ¼ãƒˆã«ã‚ã£ãŸå ´åˆã€ãƒãƒ¼ã‚«ãƒ«ã«ã‚‚ã‚ãƒ£ãƒƒã‚·ãƒ¥ã™ã‚‹ ä¸€æ–¹ã€æ³¨æ„ã—ãªã„ã¨ã„ã‘ãªã„ç‚¹ã¯ã‚ãƒ£ãƒƒã‚·ãƒ¥ã®ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆã«ã¯å¯¾å¿œã—ã¦ã„ãªã„ã“ã¨ã§ã™ã€‚groupcache ã«ã¯ expire ã‚„æ˜Žç¤ºçš„ãªç ´æ£„ã¯å˜åœ¨ã—ã¾ã›ã‚“ã€‚ã‚ã‚‹ã‚ãƒ¼ã«å¯¾ã™ã‚‹å€¤ã¯ å¸¸ã«
ttakezawa 2014/11/30
google

cache

memcached

golang
ãƒªãƒ³ã‚¯
how to add cache control in AWS S3?
I have moved 20000 files to AWS S3 by s3cmd command. Now i want to add cache-control for all images (.jpg) These files are located in ( s3://bucket-name/images/ ). How can i add cache-control for all images by s3cmd or is there any other way to add header ? Thanks
ttakezawa 2014/11/30
aws

s3

cache

http
ãƒªãƒ³ã‚¯
ãƒ–ãƒ©ã‚¦ã‚¶ã‚ãƒ£ãƒƒã‚·ãƒ¥ã®ã¾ã¨ã‚
å¤ã„æ–‡ç« ã ã‘ã©ã€Caching Tutorial for Web Authors and Webmasters ã‚’èªã‚“ã ãƒ¡ãƒ¢ã€‚ã‚¦ã‚§ãƒ–ãƒžã‚¹ã‚¿ãƒ¼å‘ã‘ã®ãƒ–ãƒ©ã‚¦ã‚¶ã‚ãƒ£ãƒƒã‚·ãƒ¥ã®æ¦‚è¦ã€‚ ãƒ–ãƒ©ã‚¦ã‚¶ã‚ãƒ£ãƒƒã‚·ãƒ¥ã¯ã€ãƒ–ãƒ©ã‚¦ã‚¶ãŒã‚µãƒ¼ãƒã‹ã‚‰ãƒ¬ã‚¹ãƒãƒ³ã‚¹ã•ã‚ŒãŸãƒªã‚½ãƒ¼ã‚¹ã‚’ (å ´åˆã«ã‚ˆã£ã¦ã¯) ãƒãƒ¼ã‚«ãƒ«ã«ä¿å˜ã—ã¦ãŠã„ã¦ã€äºŒåº¦ç›®ä»¥é™ã®è¡¨ç¤ºã§ã¯ (å ´åˆã«ã‚ˆã£ã¦ã¯) ã‚ãƒ£ãƒƒã‚·ãƒ¥ã‹ã‚‰èªã‚€ã¨ã„ã†å‹•ä½œã€‚ç„¡é§„ãªãƒªã‚¯ã‚¨ã‚¹ãƒˆãŒæ¸›ã‚‹ã“ã¨ã§ã‚µãƒ¼ãƒãƒªã‚½ãƒ¼ã‚¹ã«ã‚‚å„ªã—ã„ã—ã€ãƒ¦ãƒ¼ã‚¶ãƒ¼ã«ã¨ã£ã¦ã¯è¡¨ç¤ºé€Ÿåº¦å‘ä¸Šã¨ã„ã†ãƒ¡ãƒªãƒƒãƒˆãŒã‚ã‚‹ã€‚ ã‚³ãƒ³ãƒ†ãƒ³ãƒ„ã‚’ã©ã®ã‚ˆã†ã«ã‚ãƒ£ãƒƒã‚·ãƒ¥ã™ã‚‹ã‹ã‚’ã€ã‚µãƒ¼ãƒãŒ UA ã« HTTP ãƒ˜ãƒƒãƒ€ã‚’åˆ©ç”¨ã—ã¦æŒ‡ç¤ºã™ã‚‹ã€‚Expires ã‚„ Cache-Control ãƒ˜ãƒƒãƒ€ãŒãã®ä¾‹ã ã€‚html ã® meta è¦ç´ ã§ã€ãŸã¨ãˆã° <meta http-equiv="Cache-Control" content="no-store" /> ã¨ã„ã†ãµã†ã«
ttakezawa 2014/11/30
http

cache
ãƒªãƒ³ã‚¯
ãƒ¬ã‚¹ãƒãƒ³ã‚¹ãƒ˜ãƒƒãƒ€ãƒ¼ã®Expires: -1ã£ã¦ä½•?
http://www.amazon.co.jp ã®ãƒ¬ã‚¹ãƒãƒ³ã‚¹ãƒ˜ãƒƒãƒ€ãƒ¼ã‚’çœºã‚ã¦ã„ã‚‹ã¨ Expires: -1 ã¨ã„ã†ä¸æ€è°ãª Expire Date ãŒè¨å®šã•ã‚Œã¦ã„ãŸã€‚ æ„å‘³ã‚’èª¿ã¹ã¦ã¿ãŸã€‚ Expires ãƒ¬ã‚¹ãƒãƒ³ã‚¹ãƒ˜ãƒƒãƒ€ãƒ¼ Expires ã¯ã‚ãƒ£ãƒƒã‚·ãƒ¥ã®æœŸé™åˆ‡ã‚Œæ—¥æ™‚ã‚’æŒ‡å®š Expires ãƒ˜ãƒƒãƒ€ãƒ¼ã¯ã‚³ãƒ³ãƒ†ãƒ³ãƒ„ã‚ãƒ£ãƒƒã‚·ãƒ¥ã®æœŸé™ã‚’ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã—ã€ HTTP 1.0 ã‹ã‚‰å˜åœ¨ã—ã¦ã„ã‚‹ã€‚ RFC 2616 â€œHypertext Transfer Protocol â€” HTTP/1.1â€ ã§ã¯æ¬¡ã®ã‚ˆã†ã«æ›¸ã‹ã‚Œã¦ã„ã‚‹ The Expires entity-header field gives the date/time after which the response is considered stale. http://tools.ietf.org/html/rfc2616#section-14.
ttakezawa 2014/11/30
http

cache
ãƒªãƒ³ã‚¯
ä»Šå¤œã¤ã‘ã‚‹ HTTPãƒ¬ã‚¹ãƒãƒ³ã‚¹ãƒ˜ãƒƒãƒ€ãƒ¼ ï¼ˆã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ç·¨ï¼‰ - ã†ã•ãŽæ–‡å¦æ—¥è¨˜
Webã‚µãƒ¼ãƒãƒ¼ãŒãƒ¬ã‚¹ãƒãƒ³ã‚¹ã‚’ç™ºè¡Œã™ã‚‹éš›ã«ã€HTTPãƒ¬ã‚¹ãƒãƒ³ã‚¹ãƒ˜ãƒƒãƒ€ãƒ¼ã«ä»˜ã‘ã‚‹ã¨ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ãƒ¬ãƒ™ãƒ«ã®å‘ä¸Šã«ã¤ãªãŒã‚‹ãƒ˜ãƒƒãƒ€ãƒ¼ãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ å›²ã¿å†…ã¯æŽ¨å¥¨ã™ã‚‹è¨å®šã®ä¸€ä¾‹ã§ã™ã€‚ãƒ–ãƒ©ã‚¦ã‚¶ã«ã‚ˆã£ã¦ã¯å¯¾å¿œã—ã¦ã„ãªã„ãƒ˜ãƒƒãƒ€ãƒ¼ãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰ã‚„ã‚ªãƒ—ã‚·ãƒ§ãƒ³ãªã©ã‚‚ã‚ã‚Šã¾ã™ã®ã§ã€ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®ç’°å¢ƒã«ã‚ˆã£ã¦ã¯æ©Ÿèƒ½ã—ãªã„ã“ã¨ã‚‚ã‚ã‚Šã¾ã™ã€‚ X-Frame-Options ãƒ–ãƒ©ã‚¦ã‚¶ãŒ frame ã¾ãŸã¯ iframe ã§æŒ‡å®šã—ãŸãƒ•ãƒ¬ãƒ¼ãƒ å†…ã«ãƒšãƒ¼ã‚¸ã‚’è¡¨ç¤ºã™ã‚‹ã“ã¨ã‚’åˆ¶å¾¡ã™ã‚‹ãŸã‚ã®ãƒ˜ãƒƒãƒ€ãƒ¼ãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰ã§ã™ã€‚ä¸»ã«ã‚¯ãƒªãƒƒã‚¯ã‚¸ãƒ£ãƒƒã‚ãƒ³ã‚°ã¨ã„ã†æ”»æ’ƒã‚’é˜²ããŸã‚ã«ç”¨ã„ã‚‰ã‚Œã¾ã™ã€‚ X-Frame-Options: SAMEORIGIN DENY ãƒ•ãƒ¬ãƒ¼ãƒ å†…ã«ãƒšãƒ¼ã‚¸ã‚’è¡¨ç¤ºã™ã‚‹ã“ã¨ã‚’ç¦æ¢ï¼ˆåŒã˜ã‚µã‚¤ãƒˆå†…ã§ã‚ã£ã¦ã‚‚ç¦æ¢ã§ã™ï¼‰ SAMEORIGIN è‡ªåˆ†è‡ªèº«ã¨ç”Ÿæˆå…ƒãŒåŒã˜ãƒ•ãƒ¬ãƒ¼ãƒ ã®å ´åˆã«ãƒšãƒ¼ã‚¸ã‚’è¡¨ç¤ºã™ã‚‹ã“ã¨ã‚’è¨±å¯ï¼ˆä»–ã®ã‚µã‚¤ãƒˆã«ç¦æ¢ã—ãŸã„å ´åˆã¯ä¸»ã«ã“
ttakezawa 2013/11/30
http

server

performance

cache

security
ãƒªãƒ³ã‚¯
High Performance Rails (long edition)
Which I talked at Rubykaigi 2013 is: https://speakerdeck.com/mirakui/high-performance-rails
ttakezawa 2013/06/01
cookpad

rails

performance

server

web

cache
ãƒªãƒ³ã‚¯
Rails 2.3 ActiveSupport::Cache::MemoryStore Freezes Objects
Using MemoryStore for caching in Rails 2.3.X has what I would consider a show-stopper bug. When you write an object to the cache using Rails.cache.write, the original object gets frozen. When you read that object from the cache, it is also frozen. So, if you do something like read/write-through a cache for all your ActiveRecord models, you'll never be able to modify any instances of your models in
ttakezawa 2012/06/20
rails

cache
ãƒªãƒ³ã‚¯
Docker
ttakezawa 2011/12/28
memcached

dns

performance

cache
ãƒªãƒ³ã‚¯
è² è·åˆ†æ•£ç’°å¢ƒã§ãƒ–ãƒ©ã‚¦ã‚¶ã‚ãƒ£ãƒƒã‚·ãƒ¥ãŒåŠ¹ã‹ãªã„ã¨ãã¯ - ETagã®è§£èª¬ - : DSASé–‹ç™ºè€…ã®éƒ¨å±‹
ETag ã¨ã¯ãªã‚“ãžã‚„ã¨ã„ã†ã¨ã€Apache ãŒè¿”ã™ãƒ¬ã‚¹ãƒãƒ³ã‚¹ãƒ˜ãƒƒãƒ€ã®ã²ã¨ã¤ã§ã€ HTTP/1.1 200 OK Date: Mon, 24 Jul 2006 06:18:07 GMT Server: Apache Last-Modified: Wed, 13 Apr 2005 21:48:55 GMT ETag: "3b-60273fc0" â†ã“ã‚Œâ˜… Accept-Ranges: bytes Content-Length: 59 Connection: close Content-Type: text/html ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã«ä»˜ä¸Žã•ã‚Œã‚‹å±žæ€§ã§ã™ã€‚ ã§ã€ä½•ã«ä½¿ã†ã‹ã¨ã„ã†ã¨ã€ãƒ–ãƒ©ã‚¦ã‚¶ã®ã‚ãƒ£ãƒƒã‚·ãƒ¥ç®¡ç†ã«ä½¿ã‚ã‚Œã¾ã™ã€‚ ä¸€åº¦ã€http://example.jp/index.html ã«ã‚¢ã‚¯ã‚»ã‚¹ã—ãŸå¾Œã§ã‚‚ã†ä¸€åº¦(ãƒªãƒãƒ¼ãƒ‰ã¨ã‹ã§) ã‚¢ã‚¯ã‚»ã‚¹ã™ã‚‹ã¨ã€ãƒ–ãƒ©ã‚¦ã‚¶ã¯æœ€åˆã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆã®ã¨ãã«å¾—ãŸ ETag ã®å€¤
ttakezawa 2011/10/25
apache

performance

cache
ãƒªãƒ³ã‚¯
IBM Developer
IBM Developer is your one-stop location for getting hands-on training and learning in-demand skills on relevant techno logies such as generative AI, data science, AI, and open source.
ttakezawa 2011/09/25
web

performance

http

webservice

cache
ãƒªãƒ³ã‚¯
ã©ã‚„ï¼ï¼Ÿã²ã‚ˆã£ã“ãƒ‡ã‚¶ã‚¤ãƒŠãƒ¼ã«ã‚‚ã§ãã‚‹Webãƒšãƒ¼ã‚¸é«˜é€ŸåŒ–ï¼éµã¯ã€ŒHTTPãƒªã‚¯ã‚¨ã‚¹ãƒˆã®æ•°ã‚’æ¸›ã‚‰ã™ã“ã¨ã€ | ãƒ‡ã‚¶ã‚¤ãƒ³ã©ã‚„ï¼ï¼Ÿ
ttakezawa 2011/09/24
web

webservice

performance

cache

css

javascript
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memcached ã‚’ä½¿ã£ãŸã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®è¨è¨ˆã«ã¤ã„ã¦ - blog.nomadscafe.jp
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