{"id":79,"date":"2019-11-25T11:39:11","date_gmt":"2019-11-25T11:39:11","guid":{"rendered":"http:\/\/www.betterit360.com\/?p=79"},"modified":"2019-11-25T11:39:11","modified_gmt":"2019-11-25T11:39:11","slug":"%e6%ba%90%e7%a0%81%e7%bc%96%e8%af%91%e5%ae%89%e8%a3%85redis","status":"publish","type":"post","link":"http:\/\/www.betterit360.com\/?p=79","title":{"rendered":"\u6e90\u7801\u7f16\u8bd1\u5b89\u88c5Redis"},"content":{"rendered":"\n

\u73af\u5883\uff1a<\/strong><\/strong><\/p>\n\n\n\n

CentOS7.2<\/p>\n\n\n\n

redis version\uff1a4.0.11<\/p>\n\n\n\n

\u5b89\u88c5\u6b65\u9aa4\uff1a<\/strong><\/strong><\/p>\n\n\n\n

# tar zxf redis-4.0.11.tar.gz <\/p>\n\n\n\n

# cd redis-4.0.11<\/p>\n\n\n\n

# make<\/p>\n\n\n\n

# make install PREFIX=\/usr\/local\/redis\t\/\/\u6307\u5b9a\u5b89\u88c5\u76ee\u5f55<\/p>\n\n\n\n

# mkdir \/usr\/local\/redis\/conf\t\t\/\/\u5efa\u914d\u7f6e\u6587\u4ef6\u76ee\u5f55<\/p>\n\n\n\n

# cp redis.conf \/usr\/local\/redis\/conf<\/p>\n\n\n\n

# mkdir \/usr\/local\/redis\/log\t\t\/\/\u5efa\u65e5\u5fd7\u6587\u4ef6\u76ee\u5f55<\/p>\n\n\n\n

# touch \/usr\/local\/redis\/log\/redis_6379.log\t\t\/\/\u5efa\u65e5\u5fd7\u6587\u4ef6<\/p>\n\n\n\n

# vi \/usr\/local\/redis\/conf\/redis.conf<\/p>\n\n\n\n

\u4fee\u6539\u5982\u4e0b\u5185\u5bb9\uff1a<\/p>\n\n\n\n

bind 0.0.0.0\t\t\t\t\/\/\u5141\u8bb8\u4efb\u4f55\u8fde\u63a5<\/p>\n\n\n\n

daemonize yes<\/p>\n\n\n\n

logfile \/usr\/local\/redis\/log\/redis_6379.log  \/\/\u6307\u5b9a\u65e5\u5fd7\u6587\u4ef6<\/p>\n\n\n\n

dir \/usr\/local\/redis\/bin\t\t\/\/\u5de5\u4f5c\u76ee\u5f55\uff0c\u5907\u4efd\u6587\u4ef6\u4e5f\u4fdd\u5b58\u5728\u6b64\u76ee\u5f55<\/p>\n\n\n\n

requirepass <\u8bbe\u7f6e\u5bc6\u7801>\t\t\/\/\u8bbe\u7f6e\u8ba4\u8bc1\u5bc6\u7801<\/p>\n\n\n\n

#vi \/etc\/profile <\/p>\n\n\n\n

export PATH=”$PATH:\/usr\/local\/redis\/bin” <\/p>\n\n\n\n

# \u4fdd\u5b58\u9000\u51fa<\/p>\n\n\n\n

# \u8ba9\u73af\u5883\u53d8\u91cf\u7acb\u5373\u751f\u6548\uff1a <\/p>\n\n\n\n

source \/etc\/profile<\/p>\n\n\n\n

\u914d\u7f6e\u542f\u52a8\u811a\u672c\uff1a<\/p>\n\n\n\n

# \u590d\u5236\u811a\u672c\u6587\u4ef6\u5230init.d\u76ee\u5f55\u4e0b <\/p>\n\n\n\n

# cp \/usr\/local\/src\/redis-4.0.11\/utils\/redis_init_script \/etc\/init.d\/redis<\/p>\n\n\n\n

vi \/etc\/init.d\/redis<\/p>\n\n\n\n

\u4fee\u6539\u5982\u4e0b\u5185\u5bb9\uff1a<\/p>\n\n\n\n

EXEC=\/usr\/local\/redis\/bin\/redis-server<\/p>\n\n\n\n

CLIEXEC=\/usr\/local\/redis\/bin\/redis-cli<\/p>\n\n\n\n

CONF=”\/usr\/local\/redis\/conf\/redis.conf”<\/p>\n\n\n\n

$CLIEXEC -a “password” -p $REDISPORT shutdown<\/p>\n\n\n\n

#\u6b64\u5904passowrd\u5e94\u4e0e\u4e0a\u8ff0\u8bbe\u7f6e\u5bc6\u7801\u4fdd\u6301\u4e00\u81f4\u3002<\/p>\n\n\n\n

\u6ce8\uff1a\u82e5\u4fee\u6539\u4e86redis.conf\u6587\u4ef6\u4e2d\u7684bind\u5730\u5740\u4e4b\u540e\uff0c\u91cd\u542fredis\u51fa\u73b0Could not connect to Redis at 127.0.0.1:6379: Connection refused\u9519\u8bef\uff0c\u9700\u8981\u4fee\u6539\u811a\u672c(\u4f8b\u5982\/etc\/init.d\/redis\uff09\uff0c\u627e\u5230\u5982\u4e0b\u5b57\u7b26\u4e32$CLIEXE -p $REDISPORT shutdown\uff0c\u4fee\u6539\u4e3a$CLIEXEC -h ip -a “password” -p $REDISPORT shutdown\uff08\u5373\u6dfb\u52a0-h ip\uff0cip\u5e94\u4e0e\u4e0a\u8ff0bind\u5730\u5740\u4fdd\u6301\u4e00\u81f4\uff09<\/p>\n\n\n\n

# chmod +x \/etc\/init.d\/redis<\/p>\n\n\n\n

# chkconfig –add redis<\/p>\n\n\n\n

# chkconfig –level 2345 redis on<\/p>\n\n\n\n

# systemctl start redis #\u6216\u8005 \/etc\/init.d\/redis start<\/p>\n\n\n\n

# systemctl stop redis #\u6216\u8005 \/etc\/init.d\/redis stop<\/p>\n\n\n\n

\u9644\u5f551\uff1a\u65e5\u5fd7\u4e2d\u5b58\u5728\u544a\u8b66\u53ca\u89e3\u51b3<\/strong><\/p>\n\n\n\n

\u544a\u8b661\uff1a<\/strong><\/strong><\/p>\n\n\n\n

WARNING: The TCP backlog setting of 511 cannot be enforced because \/proc\/sys\/net\/core\/somaxconn is set to the lower value of 128.<\/p>\n\n\n\n

\u89e3\u51b3\uff1a<\/strong><\/strong><\/p>\n\n\n\n

\u4fee\u6539\/etc\/sysctl.conf\u6587\u4ef6\uff0c\u589e\u52a0\u4e00\u884c\uff1a<\/p>\n\n\n\n

net.core.somaxconn = 1024<\/p>\n\n\n\n

\u7136\u540e\u6267\u884c\u547d\u4ee4\uff1asysctl -p<\/p>\n\n\n\n

\u544a\u8b662\uff1a<\/strong><\/strong><\/p>\n\n\n\n

2865:M 01 Nov 17:36:36.055 # WARNING overcommit_memory is set to 0! Background save may fail<\/p>\n\n\n\n

 under low memory condition. To fix this issue add ‘vm.overcommit_memory = 1’ to \/etc\/sysctl.conf and then reboot or run the command ‘sysctl vm.overcommit_memory=1’ for this to take effect.<\/p>\n\n\n\n

\u89e3\u51b3\uff1a<\/strong><\/strong><\/p>\n\n\n\n

\u4fee\u6539\/etc\/sysctl.conf\u6587\u4ef6\uff0c\u589e\u52a0\u4e00\u884c\uff1a<\/p>\n\n\n\n

vm.overcommit_memory = 1<\/p>\n\n\n\n

\u7136\u540e\u6267\u884c\u547d\u4ee4\uff1asysctl -p<\/p>\n\n\n\n

\u544a\u8b663\uff1a<\/strong><\/strong><\/p>\n\n\n\n

2865:M 01 Nov 17:36:36.055 # WARNING you have Transparent Huge Pages (THP) support enabled in your kernel. This will create latency and memory usage issues with Redis. To fix this issue run the command ‘echo never > \/sys\/kernel\/mm\/transparent_hugepage\/enabled’ as root, and add it to your \/etc\/rc.local in order to retain the setting after a reboot. Redis must be restarted after THP is disabled.<\/p>\n\n\n\n

\u89e3\u51b3\uff1a<\/strong><\/strong><\/p>\n\n\n\n

Create following file:<\/p>\n\n\n\n

vi \/etc\/systemd\/system\/disable-thp.service<\/p>\n\n\n\n

and paste there following content:<\/p>\n\n\n\n

[Unit]<\/p>\n\n\n\n

Description=Disable Transparent Huge Pages (THP)<\/p>\n\n\n\n

[Service]<\/p>\n\n\n\n

Type=simple<\/p>\n\n\n\n

ExecStart=\/bin\/sh -c “echo ‘never’ > \/sys\/kernel\/mm\/transparent_hugepage\/enabled && echo ‘never’ > \/sys\/kernel\/mm\/transparent_hugepage\/defrag”<\/p>\n\n\n\n

[Install]<\/p>\n\n\n\n

WantedBy=multi-user.target<\/p>\n\n\n\n

Save the file and reload SystemD daemon:<\/p>\n\n\n\n

systemctl daemon-reload<\/p>\n\n\n\n

you can start the script and enable it on boot level:<\/p>\n\n\n\n

systemctl start disable-thp<\/p>\n\n\n\n

systemctl enable disable-thp<\/p>\n\n\n\n

\u9644\u5f552\uff1aRedis \u6570\u636e\u5907\u4efd\u4e0e\u6062\u590d<\/strong><\/p>\n\n\n\n

\u5907\u4efd\u6570\u636e\uff1a<\/p>\n\n\n\n

127.0.0.1:6379> save<\/strong><\/p>\n\n\n\n

OK<\/p>\n\n\n\n

\u8be5\u547d\u4ee4\u5c06\u5728 redis \u5b89\u88c5\u76ee\u5f55\u4e2d\u521b\u5efadump.rdb\u6587\u4ef6\u3002<\/p>\n\n\n\n

\u53e6\u521b\u5efa redis \u5907\u4efd\u6587\u4ef6\u4e5f\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4 BGSAVE<\/strong>\uff0c\u8be5\u547d\u4ee4\u5728\u540e\u53f0\u6267\u884c\u3002<\/p>\n\n\n\n

127.0.0.1:6379> BGSAVE<\/p>\n\n\n\n

Background saving started<\/p>\n\n\n\n

\u6062\u590d\u6570\u636e\uff1a<\/p>\n\n\n\n

\u5982\u679c\u9700\u8981\u6062\u590d\u6570\u636e\uff0c\u53ea\u9700\u5c06\u5907\u4efd\u6587\u4ef6 (dump.rdb) \u79fb\u52a8\u5230 redis \u5b89\u88c5\u76ee\u5f55\u5e76\u542f\u52a8\u670d\u52a1\u5373\u53ef\u3002\u83b7\u53d6 redis \u76ee\u5f55\u53ef\u4ee5\u4f7f\u7528 CONFIG \u547d\u4ee4\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n

redis 127.0.0.1:6379> CONFIG GET dir<\/p>\n\n\n\n

1) “dir”<\/p>\n\n\n\n

2) “\/usr\/local\/redis\/bin”<\/p>\n\n\n\n

\u4ee5\u4e0a\u547d\u4ee4 CONFIG GET dir \u8f93\u51fa\u7684 redis \u5b89\u88c5\u76ee\u5f55\u4e3a \/usr\/local\/redis\/bin\u3002<\/p>\n\n\n\n

\u9644\u5f553\uff1aRedis \u6027\u80fd\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n

Redis \u6027\u80fd\u6d4b\u8bd5\u662f\u901a\u8fc7\u540c\u65f6\u6267\u884c\u591a\u4e2a\u547d\u4ee4\u5b9e\u73b0\u7684\u3002<\/p>\n\n\n\n

redis-benchmark [option] [option value]<\/p>\n\n\n\n

\u4ee5\u4e0b\u5b9e\u4f8b\u540c\u65f6\u6267\u884c 10000 \u4e2a\u8bf7\u6c42\u6765\u68c0\u6d4b\u6027\u80fd\uff1a<\/p>\n\n\n\n

$ redis-benchmark -n 10000  -q<\/p>\n\n\n\n

\u4ee5\u4e0b\u5b9e\u4f8b\u4f7f\u7528\u4e86\u591a\u4e2a\u53c2\u6570\u6765\u6d4b\u8bd5 redis \u6027\u80fd\uff1a<\/p>\n\n\n\n

$ redis-benchmark -h 127.0.0.1 -p 6379 -t set,lpush -n 10000 -q<\/p>\n\n\n\n

SET: 146198.83 requests per second<\/p>\n\n\n\n

LPUSH: 145560.41 requests per second<\/p>\n\n\n\n

\u4ee5\u4e0a\u5b9e\u4f8b\u4e2d\u4e3b\u673a\u4e3a 127.0.0.1\uff0c\u7aef\u53e3\u53f7\u4e3a 6379\uff0c\u6267\u884c\u7684\u547d\u4ee4\u4e3a set,lpush\uff0c\u8bf7\u6c42\u6570\u4e3a 10000\uff0c\u901a\u8fc7 -q \u53c2\u6570\u8ba9\u7ed3\u679c\u53ea\u663e\u793a\u6bcf\u79d2\u6267\u884c\u7684\u8bf7\u6c42\u6570\u3002<\/p>\n\n\n\n

\u9644\u5f554\uff1aRedis \u5ba2\u6237\u7aef\u8fde\u63a5<\/strong><\/p>\n\n\n\n

\u6700\u5927\u8fde\u63a5\u6570\uff1amaxclients \u7684\u9ed8\u8ba4\u503c\u662f 10000\uff0c\u53ef\u4ee5\u5728 redis.conf \u4e2d\u5bf9\u8fd9\u4e2a\u503c\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n\n\n\n

config get maxclients<\/p>\n\n\n\n

1) “maxclients”<\/p>\n\n\n\n

2) “10000”<\/p>\n","protected":false},"excerpt":{"rendered":"

\u73af\u5883\uff1a CentOS7.2 redis version\uff1a4.0.11 \u5b89\u88c5\u6b65\u9aa4\uff1a # tar zxf redi … \u7ee7\u7eed\u9605\u8bfb\u201c\u6e90\u7801\u7f16\u8bd1\u5b89\u88c5Redis\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/posts\/79"}],"collection":[{"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=79"}],"version-history":[{"count":0,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/posts\/79\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.betterit360.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=79"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=79"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=79"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}