<\/span><\/h3>\n\n\n\n\u6839\u636e\u6728\u6876\u6548\u5e94\uff0c\u5927\u90e8\u5206\u60c5\u51b5\u90fd\u662f1\u4e2a\u8282\u70b9(\u4e5f\u6709\u591a\u4e2a\u7684)\u6027\u80fd\u4e0b\u964d\uff0c\u5bfc\u81f4\u6574\u4f53\u6027\u80fd\u4e0b\u964d\u3002\u901a\u8fc7\u67e5\u770b\u6162SQL\u51fa\u73b0\u5728\u54ea\u4e2a\u6216\u8005\u54ea\u4e9b\u8282\u70b9\uff0c\u5b9a\u4f4d\u8981\u6392\u67e5\u7684\u76ee\u6807\u3002<\/p>\n\n\n\n
\u6392\u67e5\u53ef\u4ee5\u7528\u5982\u4e0bSQL<\/p>\n\n\n\n
SELECT NODE_NAME, ID, user, host, command, start_time, time, state, SUBSTRING(info, 0, 100) AS info FROM information_schema.GNODES_TASK_INFORMATION where command='query' and info is not null and info is not like '%information_schema.processlist%' order by time desc limit 10;<\/code><\/pre>\n\n\n\n<\/span>\u67e5\u770b\u8282\u70b9\u7f51\u5361\u4fe1\u606f<\/span><\/h3>\n\n\n\n\u901a\u8fc7\u5982\u4e0b\u547d\u4ee4\uff0c\u67e5\u770b\u670d\u52a1\u7684eth0\u7f51\u5361\u4fe1\u606f\u3002\u7f51\u5361\u4e0d\u540c\uff0c\u53c2\u6570\u66ff\u6362\u4e0b<\/p>\n\n\n\n
ifconfig -a eth0<\/code><\/pre>\n\n\n\n\u4e3b\u8981\u67e5\u770btx\u548ctx\u6570\u636e\u5305\u5185\u5bb9\uff0c\u6b63\u5e38\u7684\u5982\u4e0b<\/p>\n\n\n\n
[gbase@vm161 ~]$ ifconfig -a enp0s3\r\nenp0s3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500\r\n inet 10.0.2.161 netmask 255.255.255.0 broadcast 10.0.2.255\r\n inet6 fe80::a00:27ff:fe70:4bfc prefixlen 64 scopeid 0x20<link>\r\n ether 08:00:27:70:4b:fc txqueuelen 1000 (Ethernet)\r\n RX packets 229083 bytes 328000550 (312.8 MiB)\r\n RX errors 0 dropped 0 overruns 0 frame 0\r\n TX packets 35066 bytes 2680368 (2.5 MiB)\r\n TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0\r\n<\/code><\/pre>\n\n\n\n\u6709\u6545\u969c\u7684\u7f51\u5361\u4fe1\u606f\u5982\u4e0b\uff0c\u5176\u4e2ddropped\u7684\u6570\u91cf\uff0c\u4e00\u76f4\u5728\u7f13\u6162\u7684\u4e0d\u5b9a\u671f\u589e\u957f\u3002<\/p>\n\n\n\n![\"\"](\"https:\/\/www.gbase8.cn\/wp-content\/uploads\/2026\/01\/image.png\")
<\/figure>\n\n\n\n<\/span>RX errors<\/span><\/h4>\n\n\n\n\u63a5\u6536\u603b\u9519\u8bef\u6570\u3002\u5305\u542b dropped<\/code> overruns<\/code> frame<\/code> \u7b49\u7ec6\u5206\u9519\u8bef\u7c7b\u578b\u7684\u8ba1\u6570<\/p>\n\n\n\ndropped\uff1a\u63a5\u6536\u6570\u636e\u5305\u4e22\u5f03\u6570<\/strong><\/p>\n\n\n\n\u7f51\u5361\u6210\u529f\u63a5\u6536\u5230\u6570\u636e\u5305\uff0c\u4f46\u56e0\u7cfb\u7edf\u5c42\u9762\u8d44\u6e90\u4e0d\u8db3<\/strong>\uff0c\u65e0\u6cd5\u5c06\u6570\u636e\u5305\u4f20\u9012\u7ed9\u4e0a\u5c42\u534f\u8bae\u6808\uff08\u5982 TCP\/IP\uff09\u800c\u4e22\u5f03\u7684\u6570\u91cf\u3002<\/p>\n\n\n\noverruns\uff1a\u63a5\u6536\u7f13\u51b2\u533a\u6ea2\u51fa\u6570<\/strong><\/p>\n\n\n\n\u7f51\u5361\u786c\u4ef6\u63a5\u6536\u7f13\u51b2\u533a\uff08Ring Buffer\uff09\u6ea2\u51fa<\/strong>\u5bfc\u81f4\u7684\u6570\u636e\u5305\u4e22\u5f03\u6570\uff0c\u5c5e\u4e8e\u786c\u4ef6\u5c42\u9762\u7684\u6ea2\u51fa\u9519\u8bef<\/strong>\uff0c\u548c dropped<\/code> \u7684 \u201c\u7cfb\u7edf\u7f13\u51b2\u533a\u6ea2\u51fa\u201d \u662f\u4e0d\u540c\u5c42\u9762\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<\/span>\u67e5\u770b\u7f51\u5361Rx\uff0cTx\u4fe1\u606f<\/span><\/h3>\n\n\n\n\u901a\u8fc7\u5982\u4e0b\u547d\u4ee4\uff0c\u67e5\u770bTX\u548cRX\u4fe1\u606f<\/p>\n\n\n\n
[root@vm161 ~]# ethtool -g enp0s3\r\nRing parameters for enp0s3:\r\nPre-set maximums:\r\nRX: 4096\r\nRX Mini: n\/a\r\nRX Jumbo: n\/a\r\nTX: 4096\r\nTX push buff len: n\/a\r\nCurrent hardware settings:\r\nRX: 256\r\nRX Mini: n\/a\r\nRX Jumbo: n\/a\r\nTX: 256\r\nRX Buf Len: n\/a\r\nCQE Size: n\/a\r\nTX Push: n\/a\r\nRX Push: n\/a\r\nTX push buff len: n\/a\r\nTCP data split: n\/a\r\n<\/code><\/pre>\n\n\n\n\u5176\u4e2dRX\u914d\u7f6e\u7684\u662f256\uff0c\u592a\u5c0f\u3002<\/p>\n\n\n\n
<\/span>Solution<\/span><\/h2>\n\n\n\n\u4fee\u6539\u7f51\u5361\u7684Rx\u548ctx\u5927\u5c0f\u3002\u5176\u4e2d\u53c2\u6570rx\u548ctx\u5206\u522b\u4fee\u6539\u3002<\/p>\n\n\n\n
[root@vm161 ~]# ethtool -G enp0s3 rx 4096 tx 4096\r\n[root@vm161 ~]# ethtool -g enp0s3\r\nRing parameters for enp0s3:\r\nPre-set maximums:\r\nRX: 4096\r\nRX Mini: n\/a\r\nRX Jumbo: n\/a\r\nTX: 4096\r\nTX push buff len: n\/a\r\nCurrent hardware settings:\r\nRX: 4096\r\nRX Mini: n\/a\r\nRX Jumbo: n\/a\r\nTX: 4096\r\nRX Buf Len: n\/a\r\nCQE Size: n\/a\r\nTX Push: n\/a\r\nRX Push: n\/a\r\nTX push buff len: n\/a\r\nTCP data split: n\/a\r\n[root@vm161 ~]#<\/code><\/pre>\n\n\n\n\u4fee\u6539\u540e\uff0c\u518d\u6b21\u89c2\u5bdf\u7f51\u5361dropped,\u53d1\u73b0\u6ca1\u6709\u518d\u589e\u52a0\u3002\u540e\u7eed\u89c2\u5bdf\u51e0\u5929\uff0c\u4e00\u76f4\u6b63\u5e38\uff0c\u6027\u80fd\u4e5f\u6062\u590d\u5230\u7a33\u5b9a\u72b6\u6001\u3002<\/p>\n\n\n\n
<\/span>Summary<\/span><\/h2>\n\n\n\n\u7f51\u5361RX\u548cTX\u53c2\u6570\u914d\u7f6e\u4e0d\u5f53\uff0c\u5bfc\u81f4\u5728\u5927\u6570\u636e\u91cf\u4f20\u8f93\u4e0b\u51fa\u73b0\u4e22\u5305\uff0c\u9020\u6210\u6027\u80fd\u4e0b\u964d\u3002\u901a\u8fc7\u8c03\u6574\u53c2\u6570\uff0c\u89e3\u51b3\u4e86\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>","protected":false},"excerpt":{"rendered":"
GBase 8a\u662fMPP\u67b6\u6784\uff0c\u4e00\u4e9bSQL\u8981\u5728\u591a\u4e2a\u8282\u70b9\u95f4\u4e92\u76f8\u4f20\u8f93\u5927\u91cf\u6570\u636e\uff0c\u5982\u679c\u7f51\u5361\u914d\u7f6erxt\u548ctx\u53c2\u6570\u4e0d\u9002\u5408\uff0c\u4f1a\u5bfc\u81f4\u4e22\u5305dropped\uff0c\u4ece\u800c\u51fa\u73b0\u76f8\u540c\u7684SQL\u6027\u80fd\u5ffd\u7136\u4e0b\u964d\u7684\u73b0\u8c61\u3002\u672c\u6587\u7ed9\u51fa\u6b64\u95ee\u9898\u7684\u5177\u4f53\u73b0\u8c61\uff0c\u539f\u56e0\u548c\u89e3\u51b3\u65b9\u6cd5\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[],"class_list":["post-13193","post","type-post","status-publish","format-standard","hentry","category-gbase8a"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/13193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=13193"}],"version-history":[{"count":3,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/13193\/revisions"}],"predecessor-version":[{"id":13198,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/13193\/revisions\/13198"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=13193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=13193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=13193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}