{"id":2709,"date":"2024-05-19T00:01:21","date_gmt":"2024-05-18T15:01:21","guid":{"rendered":"https:\/\/technologyagency.net\/wordpress\/?p=2709"},"modified":"2024-05-22T21:29:34","modified_gmt":"2024-05-22T12:29:34","slug":"raspberry-pi-2-clustering%e3%81%a7%e9%81%8a%e3%81%b6","status":"publish","type":"post","link":"https:\/\/technologyagency.net\/wordpress\/2024\/05\/19\/raspberry-pi-2-clustering%e3%81%a7%e9%81%8a%e3%81%b6\/","title":{"rendered":"Raspberry pi 2 Clustering\u3067\u904a\u3076"},"content":{"rendered":"\n

\u767a\u58f2\u5f53\u6642\u304f\u3089\u3044\u306b\u8cb7\u3063\u305fRaspberry pi 2\u3092\u4e00\u901a\u308a\u904a\u3093\u3060\u5f8c\u3001\u653e\u7f6e\u3057\u3066\u4f7f\u3063\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u307e\u305f\u3061\u3087\u3063\u3068\u904a\u3093\u3067\u307f\u308b\u3002<\/p>\n\n\n\n

\u30b4\u30fc\u30eb<\/h2>\n\n\n\n

Raspberry pi\u304c\u624b\u5143\u306b7\u53f0\u3042\u308b\u306e\u3067\u3001Load Balancer\u3001 Reverse Proxy\u3001Application Server\u3001DB Server\u3067\u5197\u9577\u69cb\u6210\u3092\u4f5c\u6210\u3057\u3066\u307f\u308b\u3002<\/p>\n\n\n\n

Raspberry pi 2\u306f\u30e1\u30a4\u30f3\u30e1\u30e2\u30ea\u304c2GB\u3001CPU\u308232bit\u3068\u4eca\u306e\u57fa\u6e96\u304b\u3089\u3059\u308b\u3068\u975e\u529b\u306a\u306e\u3067\u3001\u306a\u308b\u3079\u304f\u8efd\u3044\u69cb\u6210\u306b\u3059\u308b\u3002Kubernetes\u3068\u304b\u4f7f\u3044\u305f\u304b\u3063\u305f\u304c\u3001\u30b9\u30da\u30c3\u30af\u7684\u306b\u7121\u7406\u3060\u3063\u305f\u3002<\/p>\n\n\n\n

Load Balancer<\/a>: Nginx
Reverse Proxy<\/a>: Nginx \u203b\u7121\u304f\u3066\u3082\u826f\u3044
Application Server<\/a>: Apache Tomcat 10 (Java 21)
DB Server<\/a>: MariaDB<\/p>\n\n\n\n

Ubuntu 22\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h2>\n\n\n\n

Raspberry Pi Imager<\/a>\u3092\u4f7f\u3063\u3066Ubuntu\u3092SD\u30ab\u30fc\u30c9\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002<\/p>\n\n\n\n

OS\u3067Other general-purpose OS > Ubuntu > Ubuntu Server 22.04.4 LTS (32bit)\u3092\u9078\u629e\u3059\u308b\u3002<\/p>\n\n\n\n

\u521d\u671f\u8a2d\u5b9a<\/h3>\n\n\n\n

\u9069\u5f53\u306b\u9078\u3093\u3060Raspberry Pi\u3067\u8d77\u52d5\u3057\u3001\u5171\u901a\u306e\u8a2d\u5b9a\u3092\u884c\u3063\u3066\u304b\u3089\u3001SD\u30ab\u30fc\u30c9\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u53d6\u308a\u3001\u4ed6\u306eSD\u30ab\u30fc\u30c9\u306b\u30b3\u30d4\u30fc\u3057\u3066\u3044\u304f\u3002<\/p>\n\n\n\n

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sudo<\/span> <\/span>apt<\/span> <\/span>update<\/span><\/span>\nsudo<\/span> <\/span>apt<\/span> <\/span>upgrade<\/span><\/span>\nsudo<\/span> <\/span>apt<\/span> <\/span>install<\/span> <\/span>net-tools<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

\u30ed\u30fc\u30ab\u30eb\u3067\u4f7f\u3046\u3060\u3051\u306a\u306e\u3067\u3001SSH\u63a5\u7d9a\u3067\u30d1\u30b9\u30ef\u30fc\u30c9\u8a8d\u8a3c\u51fa\u6765\u308b\u3088\u3046\u306b\u3057\u3066\u3057\u307e\u3046\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>vi<\/span> <\/span>\/etc\/ssh\/sshd_config.d\/60-cloudimg-settings.conf<\/span><\/span>\n\u4e0b\u8a18\u306e\u901a\u308a\u4fee\u6b63<\/span><\/span>\n<\/span>\nPasswordAuthentication<\/span> <\/span>yes<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

\u9759\u7684\u306aIP\u3092\u5272\u308a\u5f53\u3066\u308b\u3002
\u30a4\u30e1\u30fc\u30b8\u3092\u4ed6\u306e\u6a5f\u5668\u306b\u30b3\u30d4\u30fc\u3059\u308b\u3068\u304d\u306fIP\u3092\u5909\u66f4\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>vi<\/span> <\/span>\/etc\/netplan\/50-cloud-init.yaml<\/span><\/span>\n\u4e0b\u8a18\u306e\u901a\u308a\u4fee\u6b63<\/span><\/span>\n<\/span>\nnetwork:<\/span><\/span>\n    <\/span>ethernets:<\/span><\/span>\n        <\/span>eth0:<\/span><\/span>\n            <\/span>dhcp4:<\/span> <\/span>false<\/span><\/span>\n            <\/span>dhcp6:<\/span> <\/span>false<\/span><\/span>\n            <\/span>addresses:<\/span> [\u30ed\u30fc\u30ab\u30ebIP\/24] <\/span>#\u8a2d\u5b9a\u3057\u305fIP\u306f\u6a5f\u5668\u3054\u3068\u306b\u5f8c\u3067\u5909\u66f4\u3059\u308b\u3053\u3068<\/span><\/span>\n            <\/span>routes:<\/span><\/span>\n                <\/span>-<\/span> <\/span>to:<\/span> <\/span>default<\/span><\/span>\n                  <\/span>via:<\/span> <\/span>\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4IP<\/span> <\/span>#\u7121\u3044\u306a\u3089routes\u306e\u8a2d\u5b9a\u3044\u3089\u306a\u3044<\/span><\/span>\n            <\/span>nameservers:<\/span><\/span>\n                <\/span>addresses:<\/span> [8.8.8.8, <\/span>8.8<\/span>.4.4]<\/span><\/span>\n    <\/span>version:<\/span> <\/span>2<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

\u30db\u30b9\u30c8\u540d\u3092\u5909\u66f4\u53ef\u80fd\u306b\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>netplan<\/span> <\/span>try<\/span><\/span>\nsudo<\/span> <\/span>vi<\/span> <\/span>\/etc\/cloud\/cloud.cfg<\/span><\/span>\n\u4e0b\u8a18\u306e\u901a\u308a\u4fee\u6b63<\/span><\/span>\n<\/span>\npreserve_hostname:<\/span> <\/span>true<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

\u30db\u30b9\u30c8\u540d\u3092\u8a2d\u5b9a\u3059\u308b\u3002
\u30a4\u30e1\u30fc\u30b8\u3092\u4ed6\u306e\u6a5f\u5668\u306b\u30b3\u30d4\u30fc\u3059\u308b\u3068\u304d\u306f\u30db\u30b9\u30c8\u540d\u3092\u5909\u66f4\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>hostnamectl<\/span> <\/span>set-hostname<\/span> <\/span>rp1<\/span> <\/span>#\u8a2d\u5b9a\u3057\u305f\u30db\u30b9\u30c8\u540d\u306f\u6a5f\u5668\u3054\u3068\u306b\u5f8c\u3067\u5909\u66f4\u3059\u308b\u3053\u3068<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
Load Balancer<\/h2>\n\n\n\n
\u521d\u671f\u8a2d\u5b9a\u3057\u305f\u30a4\u30e1\u30fc\u30b8\u304b\u3089\u4f5c\u696d\u3092\u59cb\u3081\u308b\u3002<\/p>\n\n\n\n
nginx<\/a>\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>apt<\/span> <\/span>install<\/span> <\/span>nginx<\/span><\/span>\nsudo<\/span> <\/span>systemctl<\/span> <\/span>start<\/span> <\/span>nginx<\/span><\/span>\nsudo<\/span> <\/span>systemctl<\/span> <\/span>enable<\/span> <\/span>nginx<\/span><\/span>\nsudo<\/span> <\/span>vi<\/span> <\/span>\/etc\/nginx\/nginx.conf<\/span><\/span>\n\u4e0b\u8a18\u306e\u901a\u308a\u4fee\u6b63<\/span><\/span>\n<\/span>\nworker_connections<\/span> <\/span>16<\/span>;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

Web Server\u3068\u3057\u3066\u306f\u4f7f\u7528\u3057\u306a\u3044\u306e\u3067default\u306e\u8a2d\u5b9a\u306f\u8aad\u307f\u8fbc\u307e\u306a\u3044\u3088\u3046\u306b\u3057\u3001Load Balancer\u7528\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>rm<\/span> <\/span>\/etc\/nginx\/sites-enabled\/default<\/span><\/span>\nsudo<\/span> <\/span>vi<\/span> <\/span>\/etc\/nginx\/conf.d\/loadbalancer.conf<\/span><\/span>\n\u4e0b\u8a18\u306e\u901a\u308a\u65b0\u898f\u4f5c\u6210<\/span><\/span>\n<\/span>\nupstream<\/span> <\/span>backend<\/span> <\/span>{<\/span><\/span>\n    <\/span>#least_conn;<\/span><\/span>\n    <\/span>#ip_hash; #\u8a2d\u5b9a\u3057\u3066\u3082\u826f\u3044\u304c\u3001\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u76f4\u3050\u306b\u78ba\u8a8d\u3057\u305f\u3044\u306e\u3067\u4eca\u56de\u306f\u306a\u3057<\/span><\/span>\n    <\/span>server<\/span> <\/span>Reverse<\/span> <\/span>Proxy<\/span> <\/span>Server<\/span> <\/span>No.1\u306eIP:80<\/span>;<\/span><\/span>\n    <\/span>server<\/span> <\/span>Reverse<\/span> <\/span>Proxy<\/span> <\/span>Server<\/span> <\/span>No.2\u306eIP:80<\/span>;<\/span><\/span>\n}<\/span><\/span>\n<\/span>\nserver<\/span> <\/span>{<\/span><\/span>\n    <\/span>listen<\/span> <\/span>80<\/span> <\/span>default_server<\/span>;<\/span><\/span>\n    <\/span>server_name<\/span> <\/span>_<\/span>;<\/span><\/span>\n<\/span>\n    <\/span>location<\/span> <\/span>\/<\/span> <\/span>{<\/span><\/span>\n        <\/span>proxy_pass<\/span> <\/span>http:\/\/backend<\/span>;<\/span><\/span>\n    }<\/span><\/span>\n}<\/span><\/span>\n<\/span><\/code><\/pre><\/div>\n\n\n\n

\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306b\u8aa4\u308a\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001nginx\u3092\u518d\u8d77\u52d5\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>nginx<\/span> <\/span>-t<\/span><\/span>\nsudo<\/span> <\/span>systemctl<\/span> <\/span>restart<\/span> <\/span>nginx<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
Reverse Proxy<\/h2>\n\n\n\n
\u521d\u671f\u8a2d\u5b9a\u3057\u305f\u30a4\u30e1\u30fc\u30b8\u304b\u3089\u4f5c\u696d\u3092\u59cb\u3081\u308b\u3002
Reverse Proxy Server\u306f\uff12\u53f0\u4f5c\u6210\u3059\u308b\u3002<\/p>\n\n\n\n
nginx<\/a>\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>apt<\/span> <\/span>install<\/span> <\/span>nginx<\/span><\/span>\nsudo<\/span> <\/span>systemctl<\/span> <\/span>start<\/span> <\/span>nginx<\/span><\/span>\nsudo<\/span> <\/span>systemctl<\/span> <\/span>enable<\/span> <\/span>nginx<\/span><\/span>\nsudo<\/span> <\/span>vi<\/span> <\/span>\/etc\/nginx\/nginx.conf<\/span><\/span>\n\u4e0b\u8a18\u306e\u901a\u308a\u4fee\u6b63<\/span><\/span>\n<\/span>\nworker_connections<\/span> <\/span>16<\/span>;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

Web Server\u3068\u3057\u3066\u306f\u4f7f\u7528\u3057\u306a\u3044\u306e\u3067default\u306e\u8a2d\u5b9a\u306f\u8aad\u307f\u8fbc\u307e\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u3001Reverse Proxy\u7528\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>rm<\/span> <\/span>\/etc\/nginx\/sites-enabled\/default<\/span><\/span>\nsudo<\/span> <\/span>vi<\/span> <\/span>\/etc\/nginx\/conf.d\/proxy.conf<\/span><\/span>\n\u4e0b\u8a18\u306e\u901a\u308a\u65b0\u898f\u4f5c\u6210<\/span><\/span>\n<\/span>\nserver<\/span> <\/span>{<\/span><\/span>\n    <\/span>listen<\/span> <\/span>80<\/span> <\/span>default_server<\/span>;<\/span><\/span>\n    <\/span>server_name<\/span> <\/span>_<\/span>;<\/span><\/span>\n<\/span>\n    <\/span>location<\/span> <\/span>\/<\/span> <\/span>{<\/span><\/span>\n        <\/span>proxy_pass<\/span> <\/span>http:\/\/Application<\/span> <\/span>Server1\u306eIP:8080<\/span>;<\/span><\/span>\n    }<\/span><\/span>\n}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

\u3082\u30461\u53f0\u306eReverse Proxy Server\u3082\u540c\u69d8\u306b\u8a2d\u5b9a\u3059\u308b\u3002<\/p>\n\n\n\n
Application Server\u3082\uff12\u53f0\u69cb\u6210\u306b\u3059\u308b\u4e88\u5b9a\u306e\u305f\u3081\u3001
proxy_pass http:\/\/Application Server1\u306eIP:8080;\u306eIP\u306f\u305d\u308c\u305e\u308c\u5225\u306eIP\u306b\u306a\u308b\u3002<\/p>\n\n\n\n
\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306b\u8aa4\u308a\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001nginx\u3092\u518d\u8d77\u52d5\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>nginx<\/span> <\/span>-t<\/span><\/span>\nsudo<\/span> <\/span>systemctl<\/span> <\/span>restart<\/span> <\/span>nginx<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
Application Server<\/h2>\n\n\n\n
Java 21\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb
Tomcat 10<\/a>\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/p>\n\n\n\n
Tomcat 10\u306f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u306a\u304b\u3063\u305f\u305f\u3081\u3001Apache Tomcat\u306e\u30da\u30fc\u30b8\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u89e3\u51cd\u3059\u308b\u3002\u5b9f\u884c\u30e6\u30fc\u30b6\u30fc\u3001\u30b7\u30f3\u30dc\u30ea\u30c3\u30af\u30ea\u30f3\u30af\u3082\u4f5c\u3063\u3066\u304a\u304f\u3002<\/p>\n\n\n\n
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sudo<\/span> <\/span>apt<\/span> <\/span>install<\/span> <\/span>openjdk-21-jdk<\/span><\/span>\n<\/span>\ncd<\/span> <\/span>\/opt<\/span><\/span>\nsudo<\/span> <\/span>tar<\/span> <\/span>xvfz<\/span> <\/span>\/mnt\/nfs\/apache-tomcat-10.1.20.tar.gz<\/span><\/span>\nsudo<\/span> <\/span>ln<\/span> <\/span>-s<\/span> <\/span>\/opt\/apache-tomcat-10.1.20<\/span> <\/span>tomcat<\/span><\/span>\nsudo<\/span> <\/span>useradd<\/span> <\/span>-m<\/span> <\/span>-U<\/span> <\/span>-d<\/span> <\/span>\/opt\/tomcat<\/span> <\/span>-s<\/span> <\/span>\/bin\/<\/span>false<\/span> <\/span>tomcat<\/span><\/span>\nsudo<\/span> <\/span>chown<\/span> <\/span>-R<\/span> <\/span>tomcat:<\/span> <\/span>\/opt\/apache-tomcat-10.1.20<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

\u8d77\u52d5\u7528\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>vi<\/span> <\/span>\/usr\/lib\/systemd\/system\/tomcat.service<\/span><\/span>\n\u4e0b\u8a18\u306e\u901a\u308a\u65b0\u898f\u4f5c\u6210<\/span><\/span>\n<\/span>\n#<\/span><\/span>\n# Systemd unit file for Apache Tomcat<\/span><\/span>\n#<\/span><\/span>\n[<\/span>Unit<\/span>]<\/span><\/span>\nDescription<\/span>=<\/span>Apache<\/span> <\/span>Tomcat<\/span> <\/span>10<\/span> <\/span>Web<\/span> <\/span>Application<\/span> <\/span>Server<\/span><\/span>\nAfter<\/span>=<\/span>network.target<\/span><\/span>\n[<\/span>Service<\/span>]<\/span><\/span>\n# Configuration<\/span><\/span>\nEnvironment<\/span>=<\/span>"<\/span>JAVA_OPTS=-Djava.awt.headless=true<\/span>"<\/span><\/span>\nEnvironment<\/span>=<\/span>"<\/span>CATALINA_BASE=\/opt\/tomcat<\/span>"<\/span><\/span>\nEnvironment<\/span>=<\/span>"<\/span>CATALINA_HOME=\/opt\/tomcat<\/span>"<\/span><\/span>\nEnvironment<\/span>=<\/span>"<\/span>CATALINA_OPTS=-Xmx1024m -server<\/span>"<\/span><\/span>\nEnvironment<\/span>=<\/span>"<\/span>CATALINA_PID=\/opt\/tomcat\/temp\/tomcat.pid<\/span>"<\/span><\/span>\n# Lifecycle<\/span><\/span>\nType<\/span>=<\/span>forking<\/span><\/span>\nExecStart<\/span>=<\/span>\/opt\/tomcat\/bin\/startup.sh<\/span><\/span>\nExecStop<\/span>=<\/span>\/opt\/tomcat\/bin\/shutdown.sh<\/span><\/span>\nRestart<\/span>=<\/span>always<\/span><\/span>\nPIDFile<\/span>=<\/span>\/opt\/tomcat\/temp\/tomcat.pid<\/span><\/span>\n# Logging<\/span><\/span>\nSyslogIdentifier<\/span>=<\/span>tomcat<\/span><\/span>\n# Security<\/span><\/span>\nUser<\/span>=<\/span>tomcat<\/span><\/span>\nGroup<\/span>=<\/span>tomcat<\/span><\/span>\n[<\/span>Install<\/span>]<\/span><\/span>\nWantedBy<\/span>=<\/span>multi-user.target<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

\u81ea\u52d5\u8d77\u52d5\u306f\u8a2d\u5b9a\u3057\u306a\u3044\u3002<\/p>\n\n\n\n
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sudo<\/span> <\/span>systemctl<\/span> <\/span>daemon-reload<\/span><\/span>\nsudo<\/span> <\/span>systemctl<\/span> <\/span>start<\/span> <\/span>tomcat<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

\u3082\u30461\u53f0\u306eApplication Server\u3082\u540c\u69d8\u306b\u8a2d\u5b9a\u3059\u308b\u3002<\/p>\n\n\n\n
\u8d77\u52d5\u78ba\u8a8d\u304c\u7d42\u308f\u3063\u305f\u3089\u4e00\u5ea6Tomcat\u3092\u505c\u6b62\u3057\u3066\u3001\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8a2d\u5b9a\u3092server.xml\u306b\u8ffd\u8a18\u3059\u308b\u3002<\/p>\n\n\n\n
\u4eca\u56de\u306f\u7c21\u5358\u306b\u78ba\u8a8d\u3059\u308b\u305f\u3081\u3001SimpleTcpCluster\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3002\u5225\u306e\u6a5f\u4f1a\u306bSpring Session\u3092\u4f7f\u7528\u3057\u305f\u65b9\u6cd5\u3092\u8a66\u3057\u3066\u307f\u305f\u3044\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
<Cluster<\/span> <\/span>className<\/span>=<\/span>"<\/span>org.apache.catalina.ha.tcp.SimpleTcpCluster<\/span>"<\/span><\/span>\n         <\/span>channelSendOptions<\/span>=<\/span>"<\/span>6<\/span>"<\/span>><\/span><\/span>\n  <\/span><Manager<\/span> <\/span>className<\/span>=<\/span>"<\/span>org.apache.catalina.ha.session.BackupManager<\/span>"<\/span><\/span>\n           <\/span>expireSessionsOnShutdown<\/span>=<\/span>"<\/span>false<\/span>"<\/span><\/span>\n           <\/span>notifyListenersOnReplication<\/span>=<\/span>"<\/span>true<\/span>"<\/span><\/span>\n           <\/span>mapSendOptions<\/span>=<\/span>"<\/span>6<\/span>"<\/span>\/><\/span><\/span>\n  <\/span><Channel<\/span> <\/span>className<\/span>=<\/span>"<\/span>org.apache.catalina.tribes.group.GroupChannel<\/span>"<\/span>><\/span><\/span>\n    <\/span><Membership<\/span> <\/span>className<\/span>=<\/span>"<\/span>org.apache.catalina.tribes.membership.McastService<\/span>"<\/span><\/span>\n                <\/span>address<\/span>=<\/span>"<\/span>228.0.0.4<\/span>"<\/span><\/span>\n                <\/span>port<\/span>=<\/span>"<\/span>45564<\/span>"<\/span><\/span>\n                <\/span>frequency<\/span>=<\/span>"<\/span>500<\/span>"<\/span><\/span>\n                <\/span>dropTime<\/span>=<\/span>"<\/span>3000<\/span>"<\/span>\/><\/span><\/span>\n    <\/span><Receiver<\/span> <\/span>className<\/span>=<\/span>"<\/span>org.apache.catalina.tribes.transport.nio.NioReceiver<\/span>"<\/span><\/span>\n              <\/span>address<\/span>=<\/span>"<\/span>auto<\/span>"<\/span><\/span>\n              <\/span>port<\/span>=<\/span>"<\/span>5000<\/span>"<\/span><\/span>\n              <\/span>selectorTimeout<\/span>=<\/span>"<\/span>100<\/span>"<\/span><\/span>\n              <\/span>maxThreads<\/span>=<\/span>"<\/span>6<\/span>"<\/span>\/><\/span><\/span>\n<\/span>\n    <\/span><Sender<\/span> <\/span>className<\/span>=<\/span>"<\/span>org.apache.catalina.tribes.transport.ReplicationTransmitter<\/span>"<\/span>><\/span><\/span>\n      <\/span><Transport<\/span> <\/span>className<\/span>=<\/span>"<\/span>org.apache.catalina.tribes.transport.nio.PooledParallelSender<\/span>"<\/span>\/><\/span><\/span>\n    <\/span><\/Sender><\/span><\/span>\n    <\/span><Interceptor<\/span> <\/span>className<\/span>=<\/span>"<\/span>org.apache.catalina.tribes.group.interceptors.TcpFailureDetector<\/span>"<\/span>\/><\/span><\/span>\n    <\/span><Interceptor<\/span> <\/span>className<\/span>=<\/span>"<\/span>org.apache.catalina.tribes.group.interceptors.MessageDispatchInterceptor<\/span>"<\/span>\/><\/span><\/span>\n    <\/span><Interceptor<\/span> <\/span>className<\/span>=<\/span>"<\/span>org.apache.catalina.tribes.group.interceptors.ThroughputInterceptor<\/span>"<\/span>\/><\/span><\/span>\n  <\/span><\/Channel><\/span><\/span>\n<\/span>\n  <\/span><Valve<\/span> <\/span>className<\/span>=<\/span>"<\/span>org.apache.catalina.ha.tcp.ReplicationValve<\/span>"<\/span> <\/span>filter<\/span>=<\/span>""<\/span>\/><\/span><\/span>\n<\/span>\n  <\/span><ClusterListener<\/span> <\/span>className<\/span>=<\/span>"<\/span>org.apache.catalina.ha.session.ClusterSessionListener<\/span>"<\/span>\/><\/span><\/span>\n<\/Cluster><\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

\u3082\u30461\u53f0\u306eApplication Server\u3082\u540c\u69d8\u306b\u8a2d\u5b9a\u3059\u308b\u3002<\/p>\n\n\n\n
DB Server<\/h2>\n\n\n\n
\u307e\u305a\u306f3\u53f0\u306b\u5bfe\u3057\u3066MariaDB\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u521d\u671f\u8a2d\u5b9a\u3092\u5b9f\u884c\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>apt<\/span> <\/span>install<\/span> <\/span>mariadb-server<\/span><\/span>\nsudo<\/span> <\/span>systemctl<\/span> <\/span>stop<\/span> <\/span>mariadb<\/span><\/span>\nsudo<\/span> <\/span>mkdir<\/span> <\/span>\/mnt\/ssd\/mariadb<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u5148\u3092\u5909\u66f4\u3057\u3001\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306b\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>vi<\/span> <\/span>\/etc\/mysql\/mariadb.conf.d\/50-server.cnf<\/span><\/span>\n\u4e0b\u8a18\u306e\u901a\u308a\u4fee\u6b63<\/span><\/span>\n<\/span>\ndatadir<\/span>                 <\/span>=<\/span> <\/span>\/mnt\/ssd\/mariadb<\/span><\/span>\n#bind-address            = 127.0.0.1<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

MariaDB\u304c\u5916\u90e8\u30d5\u30a9\u30eb\u30c0\u306b\u30a2\u30af\u30bb\u30b9\u51fa\u6765\u308b\u3088\u3046\u306bApplication Armor\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a\u3092\u5909\u66f4\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>vi<\/span> <\/span>\/etc\/apparmor.d\/tunables\/alias<\/span><\/span>\n\u4e0b\u8a18\u306e\u901a\u308a\u4fee\u6b63<\/span><\/span>\n<\/span>\nalias<\/span> <\/span>\/var\/lib\/mysql\/<\/span> -<\/span>><\/span> <\/span>\/mnt\/ssd\/mariadb\/,<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

Application Armor\u3092\u518d\u8d77\u52d5\u3057\u3001MariaDB\u306e\u30c7\u30fc\u30bf\u30d5\u30a9\u30eb\u30c0\u3092\u30b3\u30d4\u30fc\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>systemctl<\/span> <\/span>restart<\/span> <\/span>apparmor<\/span><\/span>\nsudo<\/span> <\/span>rsync<\/span> <\/span>-avuz<\/span> <\/span>\/var\/lib\/mysql\/<\/span> <\/span>\/mnt\/ssd\/mariadb<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

MariaDB\u3092\u8d77\u52d5\u3057\u3001\u521d\u671f\u8a2d\u5b9a\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>systemctl<\/span> <\/span>start<\/span> <\/span>mariadb<\/span><\/span>\nsudo<\/span> <\/span>mysql_secure_installation<\/span><\/span>\nEnter<\/span> <\/span>current<\/span> <\/span>password<\/span> <\/span>for<\/span> <\/span>root<\/span> (enter <\/span>for<\/span> <\/span>none<\/span>):<\/span><\/span>\nSwitch<\/span> <\/span>to<\/span> <\/span>unix_socket<\/span> <\/span>authentication<\/span> [Y\/n] n<\/span><\/span>\nChange<\/span> <\/span>the<\/span> <\/span>root<\/span> <\/span>password?<\/span> [Y\/n] <\/span><\/span>\nNew<\/span> <\/span>password:<\/span><\/span>\nRe-enter<\/span> <\/span>new<\/span> <\/span>password:<\/span><\/span>\nRemove<\/span> <\/span>anonymous<\/span> <\/span>users?<\/span> [Y\/n] y<\/span><\/span>\nDisallow<\/span> <\/span>root<\/span> <\/span>login<\/span> <\/span>remotely?<\/span> [Y\/n] n<\/span><\/span>\nRemove<\/span> <\/span>test<\/span> <\/span>database<\/span> <\/span>and<\/span> <\/span>access<\/span> <\/span>to<\/span> <\/span>it?<\/span> [Y\/n] y<\/span><\/span>\nReload<\/span> <\/span>privilege<\/span> <\/span>tables<\/span> <\/span>now?<\/span> [Y\/n] y<\/span><\/span>\n<\/span>\nmysql<\/span> <\/span>-u<\/span> <\/span>root<\/span> <\/span>-p<\/span><\/span>\ngrant<\/span> <\/span>all<\/span> <\/span>privileges<\/span> <\/span>on<\/span> <\/span>*<\/span>.<\/span>*<\/span> <\/span>to<\/span> <\/span>root@<\/span>"<\/span>%<\/span>"<\/span> <\/span>identified<\/span> <\/span>by<\/span> <\/span>'<\/span>password<\/span>'<\/span> <\/span>with<\/span> <\/span>grant<\/span> <\/span>option<\/span>;<\/span><\/span>\nexit<\/span>;<\/span><\/span>\n<\/span>\nsudo<\/span> <\/span>systemctl<\/span> <\/span>restart<\/span> <\/span>mariadb<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

\u63a5\u7d9a\u78ba\u8a8d\u3092\u884c\u3063\u305f\u3089\u3001\u4e00\u5ea6\u505c\u6b62\u3059\u308b\u3002<\/p>\n\n\n\n
MariaDB\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3068\u81ea\u52d5\u7684\u306bGalera Cluster\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u306f\u305a\u3002<\/p>\n\n\n\n
\u81ea\u52d5\u8d77\u52d5\u3092\u7121\u52b9\u306b\u3057\u3001\u30d0\u30a4\u30ca\u30ea\u30ed\u30ae\u30f3\u30b0\u3092\u6709\u52b9\u306b\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>systemctl<\/span> <\/span>disable<\/span> <\/span>mariadb<\/span><\/span>\nsudo<\/span> <\/span>mkdir<\/span> <\/span>-p<\/span> <\/span>\/mnt\/ssd\/log\/mariadb<\/span><\/span>\nsudo<\/span> <\/span>chown<\/span> <\/span>-R<\/span> <\/span>mysql:<\/span> <\/span>\/mnt\/ssd\/log\/mariadb<\/span><\/span>\nsudo<\/span> <\/span>vi<\/span> <\/span>\/etc\/mysql\/mariadb.conf.d\/50-server.cnf<\/span><\/span>\n\u4e0b\u8a18\u306e\u901a\u308a\u4fee\u6b63<\/span><\/span>\n<\/span>\nserver-id<\/span>               <\/span>=<\/span> <\/span>1<\/span> <\/span># \u30b5\u30fc\u30d0\u30fc\u6bce\u306b\u5909\u66f4<\/span><\/span>\nlog_bin<\/span>                 <\/span>=<\/span> <\/span>\/mnt\/ssd\/log\/mariadb\/mariadb-bin.log<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

Galera Cluster\u306e\u8a2d\u5b9a\u3092\u884c\u3046\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>vi<\/span> <\/span>\/etc\/mysql\/mariadb.conf.d\/60-galera.cnf<\/span><\/span>\n\u4e0b\u8a18\u306e\u901a\u308a\u4fee\u6b63<\/span><\/span>\n<\/span>\n[<\/span>galera<\/span>]<\/span><\/span>\n# Mandatory settings<\/span><\/span>\nwsrep_on<\/span>                 <\/span>=<\/span> <\/span>ON<\/span><\/span>\nwsrep_cluster_name<\/span>       <\/span>=<\/span> <\/span>"<\/span>MariaDB Galera Cluster<\/span>"<\/span><\/span>\nwsrep_cluster_address<\/span>    <\/span>=<\/span> <\/span>gcomm:\/\/\u30b5\u30fc\u30d0\u30fcIP1,\u30b5\u30fc\u30d0\u30fcIP2,\u30b5\u30fc\u30d0\u30fcIP3<\/span><\/span>\nbinlog_format<\/span>            <\/span>=<\/span> <\/span>row<\/span><\/span>\ndefault_storage_engine<\/span>   <\/span>=<\/span> <\/span>InnoDB<\/span><\/span>\ninnodb_autoinc_lock_mode<\/span> <\/span>=<\/span> <\/span>2<\/span><\/span>\nwsrep_provider<\/span>           <\/span>=<\/span> <\/span>\/usr\/lib\/galera\/libgalera_smm.so<\/span><\/span>\n<\/span>\n# Allow server to accept connections on all interfaces.<\/span><\/span>\nbind-address<\/span> <\/span>=<\/span> <\/span>0.0<\/span>.0.0<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

\u6700\u521d\u306e\uff11\u53f0\u306f\u4e0b\u8a18\u30b3\u30de\u30f3\u30c9\u3067\u5b9f\u884c\u3059\u308b\u3002\u4ee5\u964d\u306f\u901a\u5e38\u306e\u8d77\u52d5\u30b3\u30de\u30f3\u30c9\u3067\u8d77\u52d5\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>galera_new_cluster<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
\u203b\u518d\u8d77\u52d5\u6642\u306e\u6ce8\u610f<\/h5>\n\n\n\n
\u30c7\u30fc\u30bf\u304c\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u30d5\u30a9\u30eb\u30c0\u306bgrastate.dat\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u304c\u3042\u308b\u306e\u3067\u3001safe_to_bootstrap: 1\u3068\u306a\u3063\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u304b\u3089galera_new_cluster\u3067\u8d77\u52d5\u3059\u308b\u3002<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
sudo<\/span> <\/span>less<\/span> <\/span>\/mnt\/ssd\/mariadb\/grastate.dat<\/span><\/span>\n<\/span>\n# GALERA saved state<\/span><\/span>\nversion:<\/span> <\/span>2.1<\/span><\/span>\nuuid:<\/span>    <\/span>xxx<\/span><\/span>\nseqno:<\/span>   <\/span>-1<\/span><\/span>\nsafe_to_bootstrap:<\/span> <\/span>1<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n

\u305d\u308c\u4ee5\u5916\u3060\u3068\u3001\u30a8\u30e9\u30fc\uff08WSREP: It may not be safe to bootstrap the cluster from this node. It was not the last one to leave the cluster and may not contain all the updates. To force cluster bootstrap with this node, edit the grastate.dat\uff09\u3068\u306a\u3063\u3066\u8d77\u52d5\u3067\u304d\u306a\u3044\u3002<\/p>\n\n\n\n
\u52d5\u4f5c\u78ba\u8a8d<\/h2>\n\n\n\n
Java\u30a2\u30d7\u30ea\u3092\u4f5c\u308a\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u767a\u58f2\u5f53\u6642\u304f\u3089\u3044\u306b\u8cb7\u3063\u305fRaspberry pi 2\u3092\u4e00\u901a\u308a\u904a\u3093\u3060\u5f8c\u3001\u653e\u7f6e\u3057\u3066\u4f7f\u3063\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u307e\u305f\u3061\u3087\u3063\u3068\u904a\u3093\u3067\u307f\u308b\u3002 \u30b4\u30fc\u30eb Raspberry pi\u304c\u624b\u5143\u306b7\u53f0\u3042\u308b\u306e\u3067\u3001Load Balancer\u3001 Revers … “Raspberry pi 2 Clustering\u3067\u904a\u3076” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[24,54,64],"class_list":["post-2709","post","type-post","status-publish","format-standard","hentry","category-28","tag-apache-tomcat","tag-raspberry-pi","tag-ubuntu"],"yoast_head":"\nRaspberry pi 2 Clustering\u3067\u904a\u3076 - I want to lead an easy life.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/technologyagency.net\/wordpress\/2024\/05\/19\/raspberry-pi-2-clustering\u3067\u904a\u3076\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Raspberry pi 2 Clustering\u3067\u904a\u3076 - 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