HAProxy 2.0 and Beyond
HAProxy Technologies is excited to announce the release of HAProxy 2.0, bringing features critical for cloud-native and containerized environments, while retaining its industry-leading performance and reliability. HAProxy 2.0 adds a powerful set of core features as well as completely new functionality that further improves its seamless support for integration into modern architectures. This includ
graceful restart ã§ããªã„ daemon ã®å†èµ·å‹•æ™‚ã®ãƒ€ã‚¦ãƒ³ã‚¿ã‚¤ãƒ ã‚’ HAProxy ã§ãƒªãƒˆãƒ©ã‚¤ã—ã¦æ•‘ㆠ- 酒日記 ã¯ã¦ãªæ”¯åº—
ã¨ã‚ã‚‹ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯(Web)サーãƒãŒã‚ã‚Šã¾ã—ã¦ã€‚ graceful restart ã§ããªã„ graceful stop ã¯ã§ãã‚‹ 処ç†ä¸ã®ã‚‚ã®ã¯å…¨ã¦å‡¦ç†ã—終ã‚ã£ã¦ã‹ã‚‰çµ‚了ã™ã‚‹ å†èµ·å‹•ã¯æ•°ç§’ã§å®Œäº†ã™ã‚‹ ã¨ã„ã†æ€§è³ªã®ã‚‚ã®ã‚’ã€ç¨¼åƒä¸ã«å†èµ·å‹•ã™ã‚‹ã¨ãƒ€ã‚¦ãƒ³ã‚¿ã‚¤ãƒ ãŒã§ã¦ã—ã¾ã†ã®ã‚’ãªã‚“ã¨ã‹èª¤é”化ã—ãŸã‹ã£ãŸã®ã§ã™ã€‚ 最åˆã¯ nginx ã‹ã‚‰ proxy ã—ã¦ã„ã‚‹ã¨ã“ã‚ã§ã€ç¹‹ãŒã‚‰ãªã‹ã£ãŸã‚‰ä½•ç§’ã‹ãŠã„ã¦ä½•å›žã¾ã§ãƒªãƒˆãƒ©ã‚¤ã€ã¿ãŸã„ãªè¨å®šãŒã§ããªã„ã‹æŽ¢ã—ãŸã‚“ã§ã™ãŒè¦‹ã¤ã‹ã‚‰ãšã€HAProxy を調ã¹ãŸã‚‰ä»¥ä¸‹ã®ã‚ˆã†ãªè¨å®šã§ã§ããŸã®ã§ãƒ¡ãƒ¢ã€‚ frontend absorber mode tcp default_backend upstream bind *:9999 backend upstream mode tcp server localhost localhost:8888 weight 1 retries 10
Announcing HAProxy 1.8
The monumental stable release of HAProxy 1.8 is here! The HAProxy 1.8 release candidate 1 (RC1) has been published by the R&D team here at HAProxy Technologies. This blog post will take you through some of the release highlights, new features, and configuration examples to get you up to speed. For HAProxy 1.8, our development team was primarily focused on two areas: Performance and Application Acc
HAProxy v1.6を使ã£ã¦è¤‡æ•°ã®RDS Read Replilcaã«åˆ†æ•£ã•ã›ã‚‹ - tail my trail
RDS ReadReplicaã‚’ç«‹ã¦ã¦ã€å‚照クエリを逃ãŒã™ã“ã¨ã‚’考ãˆã‚‹ã€‚ å¯ç”¨æ€§ã‚„拡張性を考ãˆã¦ReadReplicaã¯è¤‡æ•°å°æ§‹æˆã¨ã—ãŸå ´åˆã€RDSã®ä»•æ§˜ã‚’考慮ã—ã¦è¨è¨ˆã—ã¦ãŠãå¿…è¦ãŒã‚る。ãƒã‚¤ãƒ³ãƒˆã¯ä»¥ä¸‹ã€‚ Read Replicaã¯å€‹ã€…ã«Endpoint (DNSå) ã‚’æŒã¤ã€‚ 複数Read Replicaã«å¯¾ã—ã¦ãƒãƒ©ãƒ³ã‚·ãƒ³ã‚°ã™ã‚‹ä»•çµ„ã¿ã¯æä¾›ã—ã¦ã„ãªã„。 ELB㯠RDS (Read Replicaå«ã‚) ã«ã¯ä½¿ãˆãªã„。ELBã«ã¶ã‚‰ä¸‹ã’られるã®ã¯EC2ã®ã¿ã€‚ Read Replicaå„ノードã®æ»æ´»ç›£è¦–ã€éšœå®³æ™‚ã®åˆ‡ã‚Šé›¢ã—ï¼åˆ‡ã‚Šæˆ»ã—を考慮ã™ã‚‹å¿…è¦ãŒã‚る。 ã¨ã„ã†ã“ã¨ã§ã€Read Replicaã®ãƒãƒ©ãƒ³ã‚·ãƒ³ã‚°ã‚’è¡Œã†ãªã‚‰ã€è‡ªåˆ†ã§ä»•çµ„ã¿ã‚’用æ„ã™ã‚‹å¿…è¦ãŒã‚る。 実ç¾æ–¹æ³•ã¯ã„ãã¤ã‹é¸æŠžè‚¢ãŒã‚ã‚‹ãŒã€ä»Šå›žã¯L7ã®ãƒãƒ©ãƒ³ã‚µãƒ¼ã¨ã—ã¦å®šè©•ã®ã‚ã‚‹HAProxyを使ã£ã¦ã¿ã‚‹ã€‚ Architecture with HA
（超メモ）HAProxy 1.6 㧠Lua ãŒã‚µãƒãƒ¼ãƒˆã•ã‚ŒãŸã®ã§è§¦ã£ã¦ã¿ãŸï¼ˆ2）〜リクエストヘッダ㧠Backend ã®æŒ¯ã‚Šåˆ†ã‘〜 - よã†ã¸ã„ã®æ—¥ã€…精進XP
ã©ã“ã¾ã§ã‚‚自称㪠HAProxy 芸人ã®ã‹ã£ã±ã§ã™ã€‚ tl;dr 引ã続ãã€HAProxy ã® Lua サãƒãƒ¼ãƒˆã«ã¤ã„ã¦è§¦ã£ã¦ã¿ãŸã„。ã‚ãã¾ã§è©¦è¡ŒéŒ¯èª¤ãªã®ã§èª¤ã‚ŠãŒã‚ã‚Œã°é©å®œä¿®æ£ã™ã‚‹ã€‚ å‚考 http://www.arpalert.org/src/haproxy-lua-api/1.6/index.html# リクエストヘッダ㧠Backend を振り分ã‘る例 リクエストヘッダをå–å¾—ã™ã‚‹ 色々ã¨è©¦è¡ŒéŒ¯èª¤ã—ãŸçµæžœã€Lua ã§ãƒªã‚¯ã‚¨ã‚¹ãƒˆãƒ˜ãƒƒãƒ€ã®ä¸èº«ã‚’å–å¾—ã—ãŸã„å ´åˆã«ã¯ Fetches クラスを利用ã™ã‚‹ã¨è‰¯ã„ã¨ã®ã“ã¨ã€‚ http://www.arpalert.org/src/haproxy-lua-api/1.6/index.html#fetches-class ã¾ãŸã€HAProxy ã®è¨å®šã‹ã‚‰å‘¼ã³å‡ºã™å ´åˆã«ã¯ core クラス㮠register_fetches メソッドを利用ã™ã‚‹ã€‚（※メソッド
Announcing HAProxy 1.6
13th of October 2015, Willy Terrau announced the release of HAProxy 1.6.0, after 16 months of development. A total of 1156 commits from 59 people were committed since the release of 1.5.0. You can find the official announcement here. In his mail, Willy detailed all the features that have been added to this release. The purpose of this blog is to highlight a few of them, providing the benefits and
RDS ã®ãƒªãƒ¼ãƒ‰ãƒ¬ãƒ—リカを HAProxy ã§æŒ¯ã‚Šåˆ†ã‘ã‚‹éš›ã®æ»æ´»ç›£è¦–ã«ã¤ã„ã¦è€ƒãˆã¦ã¿ãŸ - よã†ã¸ã„ã®æ—¥ã€…精進XP
5 時éŽãŽã«ç›®ãŒè¦šã‚ã¦çœ ã‚Œãªããªã£ãŸã®ã§æ°—ã«ãªã£ã¦ã„ãŸã“ã¨ã‚’考ãˆã¦ã¿ãŸã€‚ ã¯ã˜ã‚ã« RDS ã®ãƒªãƒ¼ãƒ‰ãƒ¬ãƒ—リカを HAProxy ã§æŒ¯ã‚Šåˆ†ã‘る方法ã«ã¤ã„ã¦ã¯... blog.cloudpack.jp 上記ã®è¨˜äº‹ã‚’å‚考ã«ã—ã¤ã¤... blog.cloudpack.jp 上記ã®ã‚ˆã†ãªã“ã¨ã‚’ã‚„ã£ã¦ã¿ãŸã‚Šã—ãŸã€‚ RDS ã®ãƒªãƒ¼ãƒ‰ãƒ¬ãƒ—リカ（RR）接続を HAProxy ã§æŒ¯ã‚Šåˆ†ã‘ã‚‹ 一応ã€æ§‹æˆå›³ 基本的ã«ã¯... HAProxy 㧠RDS ã¸ã®åˆ†æ•£ã‚¢ã‚¯ã‚»ã‚¹ã‚’è¡Œã†å ´åˆã«ã¯ã€ä»¥ä¸‹ã®ã‚ˆã†ã«è¨å®šã™ã‚Œã° RDS ã¸ã®æŽ¥ç¶šã‚’ãƒã‚§ãƒƒã‚¯ã—ã¦æŽ¥ç¶šå‡ºæ¥ãªã‘れ㰠HAProxy ãŒã‚ˆã—ãªã«åˆ‡ã‚Šé›¢ã—ã¦ãれる。 （略） listen mysql bind 0.0.0.0:3306 mode tcp option mysql-check user user_name balance leastconn server read0
HAProxy 㧠MySQL ã®ãƒ˜ãƒ«ã‚¹ãƒã‚§ãƒƒã‚¯ã‚’ã¡ã‚‡ã£ã¨ä¾¿åˆ©ã«ã™ã‚‹ - 酒日記 ã¯ã¦ãªæ”¯åº—
MySQL 㧠slave を複数å°ç«‹ã¦ã¦å‚照分散ã™ã‚‹ã«ã¯ã€HAProxy を利用ã—ã¦ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚¹ã¨åˆ‡ã‚Šé›¢ã—ã‚’è¡Œã†ã¨æ‰‹è»½ã«ä½¿ãˆã¦ä¾¿åˆ©ã§ã™ã€‚ option mysql-check ã¨ã„ã†è¨å®šã§ã€HAProxy 自身㌠mysqld ã«æŽ¥ç¶šã—ã¦ãƒ˜ãƒ«ã‚¹ãƒã‚§ãƒƒã‚¯ãŒå¯èƒ½ã§ã™ã€‚ listen mysql-slave bind 127.0.0.1:3307 mode tcp option mysql-check user haproxy balance roundrobin server slave1 192.168.1.11 check server slave2 192.168.1.12 check server slave3 192.168.1.13 checkãªã®ã§ã™ãŒã€ã“ã®è¨å®šã ã¨ä»¥ä¸‹ã®ã‚ˆã†ã«å°‘々ä¸ä¾¿ãªã“ã¨ãŒã‚ã‚Šã¾ã™ã€‚ mysqldã«æŽ¥ç¶šã§ãã‚‹ã‹ã©ã†ã‹ã®ã¿ã‚’æ»æ´»ã®åˆ¤æ–ã«ã—ã¦ã„ã‚‹ã®ã§ã€ãƒ¬ãƒ—リケ
HAProxyã®ãƒ‘フォーマンスãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã‚’ã‚„ã£ãŸãƒ¡ãƒ¢(CPSç·¨) - å…ƒRX-7ä¹—ã‚Šã®é©å½“ãªæ—¥ã€…
HAProxyを使ã†ä¸Šã§ã€ã©ã†ã‚„ã£ãŸã‚‰ãƒ‘フォーマンスãŒä¸ŠãŒã‚‹ã®ã‹ã‚’模索ã™ã‚‹ãƒ¡ãƒ¢ã€‚ 基本的ã«ã€ä¸‡èƒ½ãªãƒ‘フォーマンスãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã¯ãªã„ã®ã§ã€ä»Šå›žã¯CPS(Connections per Second)ã®ãƒ‘フォーマンスを上ã’ã‚‹ã“ã¨ã«ç„¦ç‚¹ã‚’絞りã¾ã™ã€‚CPS(Connections per Second)ã¯ã€ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã®æ€§èƒ½æŒ‡æ¨™ã®1ã¤ã¨ãªã£ã¦ã„る数値ã§ã™ã€‚ ã‚ãã¾ã§è»½ãã‚„ã£ã¦ã¿ãŸéŽç¨‹ã®ãƒ¡ãƒ¢æ›¸ãã¿ãŸã„ãªã‚‚ã®ãªã®ã§ã€ã¾ã¨ã¾ã‚Šã‚‚ãªãã€ã¾ã ã¾ã 改善ã®ä½™åœ°ãŒã‚ã‚‹ã¨ã¯æ€ã„ã¾ã™ãŒã€ä½•ã‹ã®å‚考ã«ã—ã¦ãã ã•ã„。 å‰æ HAProxyã‚’å‹•ã‹ã™ã®ã«ä½¿ç”¨ã—ãŸç’°å¢ƒã¯ä»¥ä¸‹ã®é€šã‚Šã€‚ Server: DELL PowerEdge R420 CPU: Intel Xeon E5-2430L @ 2.00GHz * 2 Memory: 96GB Ethernet controller: Intel Corporation Ethe
MySQL ã‚’ MHA + HAProxy ã§å†—長化ã—ã¦ã¿ã‚ˆã†
æ–Žè—¤ã§ã™ã€‚ã“ã‚“ã«ã¡ã¯ã€‚ 今日ã¯ã€MySQLã«ã¦ãƒ¬ãƒ—リケーション構æˆã«ãŠã„ã¦ã€ãƒžã‚¹ã‚¿ã‚µãƒ¼ãƒã®ãƒ•ã‚§ã‚¤ãƒ«ã‚ªãƒ¼ãƒãƒ¼ã‚’å¸ã‚‹mysql-master-ha(以下ã€MHA)を用ã„ã‚‹éš›ã€ãƒžã‚¹ã‚¿ã‚µãƒ¼ãƒæŽ¥ç¶šå…ˆã®åˆ‡ã‚Šæ›¿ãˆã«HAProxyを使ã£ã¦ã¿ã‚ˆã†ã¨ã„ã†ãŠè©±ã§ã™ã€‚ ※MHAã¯0.53.0(å…¬å¼ãƒ‘ッケージ)ã€MySQLã¯5.5.25a(Oracleå…¬å¼ãƒ‘ッケージ)ã€HAProxyã¯1.4.22(CentOS6標準パッケージ)ã€OSã¯CentOS 6.3 x86_64を用ã„ã¾ã—ãŸã€‚ ※MHAã«ã‚ˆã‚‹å†—長化ãŠã‚ˆã³HAProxyã«ã‚ˆã‚‹MySQLã®è² è·åˆ†æ•£ã®è¨å®šã‚’経験ã•ã‚ŒãŸäº‹ãŒã‚ã‚‹å‰æã§è¨˜è¿°ã—ã¾ã™ã€‚ 本記事ã§ã¯ã€æ¬¡ã®æµã‚Œã§è©±é¡Œã‚’展開ã—ã¾ã™ã€‚ フェイルオーãƒãƒ¼æ™‚ã®æŽ¥ç¶šå…ˆåˆ‡ã‚Šæ›¿ãˆæ–¹æ³• 構æˆ(å‚考) ãªãœHAProxyãªã®ã‹ 切り替ãˆæ–¹ 2å°æ§‹æˆã®å•é¡Œç‚¹ ãã®ä»– コツ è¨å®š(å‚考) 主ã«MHA+HAProxyã«ã‚ˆã‚‹ãƒ•ã‚§ã‚¤ãƒ«ã‚ªãƒ¼
3 ways to configure HAProxy for WebSockets | silverbucket
Currently there aren’t many options when it comes to proxying WebSockets. Nginx doesn’t yet fully support WebSockets out of the box, though some people have opted to take an older version and patch it. I wont go into why I eventually decided to go with HAProxy, but I will link you to an article which does a nice job of summarizing the current state of Proxies and WebSockets. Thankfully, there’s HA
HAProxy Stats Socket and fun with socat.
I've been debugging issues with HTTP, my backend servers and HAProxy. After a quick email to the HAProxy mailing list I found out about a configuration option stats socket PATH. This will create a socket you can send commands to and get more information out of HAProxy. To do this I just used some simle unix tools, the key is socat. From the man: socat is a relay for bidirectional data transfer bet
Load Balancing In The Cloud
Load Balancing is a method to distribute workload across one or more servers, network interfaces, hard drives, or other computing resources. Typical datacenter implementations rely on large, powerful (and expensive) computing hardware and network infrastructure, which are subject to the usual risks associated with any physical device, including hardware failure, power and/or network interruptions,
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HAProxy Exposes a Prometheus Metrics Endpoint
GitHub - voyagermesh/voyager: 🚀 Secure L7/L4 (HAProxy) Ingress Controller for Kubernetes
stud / HAProxy SSL benchmark
Google Code Archive - Long-term storage for Google Code Project Hosting.
Google Code Archive - Long-term storage for Google Code Project Hosting.
https://www.serverphorums.com/read.php?10,114556
Google Code Archive - Long-term storage for Google Code Project Hosting.
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