{"id":1141,"date":"2017-05-03T07:52:33","date_gmt":"2017-05-02T23:52:33","guid":{"rendered":"http:\/\/www.yaoge123.com\/blog\/?p=1141"},"modified":"2017-05-03T21:01:27","modified_gmt":"2017-05-03T13:01:27","slug":"%e4%bd%bf%e7%94%a8-rrdcached-%e8%a7%a3%e5%86%b3-ganglia-%e9%ab%98-iops","status":"publish","type":"post","link":"https:\/\/www.yaoge123.com\/blog\/archives\/1141","title":{"rendered":"\u4f7f\u7528 rrdcached \u89e3\u51b3 Ganglia \u9ad8 IOPS"},"content":{"rendered":"<p>\u7528Ganglia\u76d1\u63a7\u4e00\u4e2a\u8fd1300\u4e2a\u8282\u70b9\u7684\u96c6\u7fa4\uff0c\u91c7\u6837\u65f6\u95f4\u4e3a\u9ed8\u8ba4\u768415s\uff0c\u52a0\u4e86\u4e00\u4e9b\u81ea\u5b9a\u4e49\u7684\u53c2\u6570\uff0crrds\u76ee\u5f55\u5bb9\u91cf74GB\uff0c12\u4e07\u4e2arrd\u6587\u4ef6\u3002\u8fd9\u6837\u7684\u4e00\u4e2a\u89c4\u6a21\u4e0b\uff0c\u5e73\u5747\u6bcf\u79d2\u5199\u516532MB\u30018k IOPS\uff0c\u5e73\u5747\u6bcf\u6b21\u5199\u5165\u53ea\u67094K\u6570\u636e\uff0c\u57fa\u672c\u90fd\u662fgmetad\u5c06\u91c7\u6837\u7684\u6570\u636e\u5199\u5165rrd\u6587\u4ef6\u4e2d\u3002\u8fd9\u6837\u9ad8\u7684IOPS\u5bf9\u5b58\u50a8\u8fd8\u662f\u6709\u660e\u663e\u7684\u538b\u529b\u7684\uff0cRRDtool\u4e2d\u7684rrdcached\u53ef\u4ee5\u5c06\u5bf9rrd\u7684updates\u64cd\u4f5c\u7f13\u5b58\u5230\u5185\u5b58\u4e2d\u7136\u540e\u5728\u5408\u5e76\u5199\u5165\u786c\u76d8\uff0c\u663e\u8457\u964d\u4f4e\u4e86\u5bf9\u786c\u76d8\u7684\u538b\u529b\u3002<\/p>\n<p>\u521b\u5efa\u4e00\u4e2arrdcached\u7684\u670d\u52a1\uff0c\u7f16\u8f91\u6587\u4ef6 \/usr\/lib\/systemd\/system\/rrdcached.service\uff0c\u5185\u5bb9\u5982\u4e0b<\/p>\n<pre class=\"lang:default decode:true  \">[Unit]\r\nDescription=Data caching daemon for rrdtool\r\nAfter=network.service\r\nBefore=gmetad.service httpd.service\r\n\r\n[Service]\r\nType=forking\r\nPIDFile=\/run\/rrdcached.pid\r\nExecStart=\/usr\/bin\/rrdcached -s ganglia -m 664 -l unix:\/var\/lib\/ganglia\/rrdcached.sock -s apache -m 777 -P FLUSH,STATS,HELP -l unix:\/var\/lib\/ganglia\/rrdcached_limited.sock -b \/var\/lib\/ganglia\/rrds -B -p \/run\/rrdcached.pid\r\n\r\n[Install]\r\nWantedBy=multi-user.target<\/pre>\n<ul>\n<li>rrdcached.sock\u7ed9gmetad\u7528\u7684\u3001rrdcached_limited.sock\u9650\u5236\u4e86\u53ef\u7528\u7684\u64cd\u4f5c\u7ed9WEB\u524d\u53f0\u7528<\/li>\n<li>-b\u6307\u5b9a\u5de5\u4f5c\u76ee\u5f55\uff0c-B\u9650\u5236\u5728\u5de5\u4f5c\u76ee\u5f55\u4e0b<\/li>\n<li>-w\u6307\u5b9a\u7f13\u5b58\u65f6\u95f4\uff0c\u5982\u679c\u66f4\u65b0\u65f6\u53d1\u73b0\u8d85\u8fc7\u672c\u6587\u4ef6\u5df2\u7ecf\u7f13\u5b58\u4e86\u8d85\u8fc7\u6b64\u7f13\u5b58\u65f6\u95f4\uff0c\u5c31\u653e\u5230\u5199\u5165\u961f\u5217\u4e2d\u7b49\u5f85\u5199\u5165\uff0c\u9ed8\u8ba4300s<\/li>\n<li>-z\u6307\u5b9a\u968f\u673a\u5ef6\u8fdf\uff0c\u6bcf\u4e00\u4e2arrd\u5199\u5165\u65f6\u90fd\u63d2\u5165\u4e00\u4e2a\u968f\u673a\u5ef6\u8fdf\uff0c\u6b64\u503c\u4e0d\u80fd\u6bd4-w\uff0c\u9ed8\u8ba4\u4e3a0<\/li>\n<li>-f\u6307\u5b9a\u8d85\u65f6\uff0c\u5982\u679crrd\u8d85\u8fc7\u6b64\u65f6\u95f4\u8fd8\u6ca1\u6709\u66f4\u65b0\u5219\u5199\u5165\u786c\u76d8<\/li>\n<\/ul>\n<p>\u542f\u52a8\u670d\u52a1<\/p>\n<pre class=\"lang:sh decode:true\">systemctl daemon-reload\r\nsystemctl enable --now rrdcached.service<\/pre>\n<p>\u4fee\u6539 \/usr\/lib\/systemd\/system\/gmetad.service \uff0c\u5728[Unit]\u548c[Service]\u6bb5\u4fee\u6539\u548c\u6dfb\u52a0\uff0c\u5e76\u91cd\u542fgmetad\u670d\u52a1<\/p>\n<pre class=\"lang:default decode:true \">[Unit]\r\n\u2026\u2026\u2026\u2026\r\nAfter=network.target rrdcached.service\r\nRequires=rrdcached.service\r\n\r\n[Service]\r\nEnvironment=RRDCACHED_ADDRESS=\/var\/lib\/ganglia\/rrdcached.sock\r\n\u2026\u2026\u2026\u2026\r\n\u2026\u2026\u2026\u2026<\/pre>\n<p>\u4fee\u6539\u524d\u53f0\u7f51\u9875\u7684\u914d\u7f6e\u00a0\/etc\/ganglia\/conf.php \u6dfb\u52a0\u4e00\u884c\uff0c\u5e76\u91cd\u542fhttpd\u670d\u52a1<\/p>\n<pre class=\"lang:default decode:true \">$conf['rrdcached_socket'] = \"unix:\/var\/lib\/ganglia\/rrdcached_limited.sock\";<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7528Ganglia\u76d1\u63a7\u4e00\u4e2a\u8fd1300\u4e2a\u8282\u70b9\u7684\u96c6\u7fa4\uff0c\u91c7\u6837\u65f6\u95f4\u4e3a\u9ed8\u8ba4\u768415s\uff0c\u52a0\u4e86\u4e00\u4e9b\u81ea\u5b9a\u4e49\u7684\u53c2\u6570\uff0crrds\u76ee\u5f55\u5bb9\u91cf7 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[198],"tags":[218],"class_list":["post-1141","post","type-post","status-publish","format-standard","hentry","category-hpc","tag-ganglia"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paOwEq-ip","_links":{"self":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts\/1141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/comments?post=1141"}],"version-history":[{"count":14,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts\/1141\/revisions"}],"predecessor-version":[{"id":1159,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/posts\/1141\/revisions\/1159"}],"wp:attachment":[{"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/media?parent=1141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/categories?post=1141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yaoge123.com\/blog\/wp-json\/wp\/v2\/tags?post=1141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}