Redis\u76d1\u63a7\u6c47\u603b\u4e00.md<\/p>\n
\u5bf9\u4e8e\u4efb\u4f55\u8fd0\u884c\u5728\u751f\u4ea7\u73af\u5883\u7684\u8f6f\u4ef6\uff0c\u76d1\u63a7\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u4e00\u4e2a\u73af\u8282\u3002<\/p>\n
\u6211\u4eec\u5728\u5206\u6790\u5404\u79cd\u5de5\u5177\u4e4b\u524d\uff0c\u5148\u6765\u770b\u4e0bredis\u90fd\u6709\u54ea\u4e9b\u6307\u6807\u9700\u8981\u5173\u6ce8\u548c\u76d1\u63a7\u3002<\/p>\n
Redis\u76d1\u63a7\u7684\u7528\u9014\u6709\u4e24\u79cd\uff0c\u4e00\u79cd\u662f\u7c7b\u4f3c\u4e8ezabbix\uff0c\u76d1\u63a7\u6307\u6807\u5e76\u7528\u6765\u62a5\u8b66\uff0c\u53e6\u5916\u4e00\u79cd\u5c31\u662f\u51fa\u73b0\u95ee\u9898\u65f6\uff0c\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\u4f7f\u7528\u7684\u3002<\/p>\n
\n\u5404\u4e2a\u6570\u636e\u5e93db\u7684key\u6570\u91cf\u3001redis\u5b58\u50a8\u7684key\u603b\u6570\u91cf
\n redis\u5185\u5b58\u4f7f\u7528\u72b6\u51b5
\n redis\u4f7f\u7528CPU\u72b6\u51b5
\n redis\u5f53\u524d\u7684QPS
\n redis\u4e2d\u6570\u636e\u8bf7\u6c42\u7684\u547d\u4e2d\u7387
\n key\u7684\u8fc7\u671f\u548c\u9010\u51fa\u60c5\u51b5
\n \u5f53\u524dredis\u7684\u5ba2\u6237\u7aef\u60c5\u51b5
\n Redis\u7f51\u7edc\u51fa\u5165\u5e26\u5bbd
\n redis\u5ba2\u6237\u7aef\u53d1\u8d77\u7684\u547d\u4ee4\u6392\u884c\uff08TOP 10 \u547d\u4ee4\uff09
\n \u4e3b\u4ece\u3001RDB\u548cAOF\u6301\u4e45\u5316\u53ca\u5176\u4ed6<\/p>\n<\/blockquote>\nredis\u81ea\u5e26\u4e86redis-cli\u5de5\u5177\uff0c\u57fa\u672c\u4e0a\u53ef\u4ee5\u8986\u76d6\u4ee5\u4e0a\u4e00\u4e9b\u6307\u6807\uff0c\u4f46\u662f\u6709\u5f88\u591a\u6307\u6807\u9700\u8981\u7ecf\u8fc7\u8fdb\u4e00\u6b65\u5904\u7406\u624d\u53ef\u4ee5\u663e\u793a\u3002\u6211\u4eec\u540e\u9762\u4f1a\u9010\u4e2a\u5206\u6790\u3002<\/p>\n
\u4e8c\u3001redis-cli\u547d\u4ee4<\/h2>\n
redis-cli\u662fredis\u81ea\u5e26\u7684\u5ba2\u6237\u7aef\u5de5\u5177\uff0c\u53ef\u4ee5\u6267\u884c\u4e30\u5bcc\u7684redis\u547d\u4ee4\uff0c\u5f53\u7136\u4e5f\u63d0\u4f9b\u4e86\u5f88\u591a\u7684\u76d1\u63a7\u6570\u636e\u3002<\/p>\n
2.1 info\u547d\u4ee4<\/h4>\n
info\u547d\u4ee4\u662fredis\u6700\u57fa\u672c\u7684\u76d1\u63a7\u6570\u636e<\/p>\n
\n[root@Ali-BJ-OL-99 ~]# redis-cli info\n# Server\nredis_version:3.2.8\nredis_git_sha1:00000000\nredis_git_dirty:0\nredis_build_id:d3e3dd6ceee8d380\nredis_mode:standalone\nos:Linux 2.6.32-573.22.1.el6.x86_64 x86_64\narch_bits:64\nmultiplexing_api:epoll\ngcc_version:4.4.7\nprocess_id:6048\nrun_id:6971ef604fa47e0d243993e31e376175eab35583\ntcp_port:6379\nuptime_in_seconds:3732962\nuptime_in_days:43\nhz:10\nlru_clock:10546323\nexecutable:\/usr\/bin\/redis-server\nconfig_file:\/etc\/redis.conf\n# Clients\n##@@\u5ba2\u6237\u7aef\u60c5\u51b5\nconnected_clients:71\nclient_longest_output_list:0\nclient_biggest_input_buf:0\nblocked_clients:0\n# Memory\n##@@\u5f53\u524dredis\u5360\u7528\u7684\u5185\u5b58\uff0c\u4e5f\u663e\u793a\u4e86maxmemory\u548cmaxmemory_policy\u53c2\u6570\u7684\u503c\u3002\nused_memory:13085437256\nused_memory_human:12.19G\nused_memory_rss:13872644096\nused_memory_rss_human:12.92G\nused_memory_peak:13085903160\nused_memory_peak_human:12.19G\ntotal_system_memory:16726142976\ntotal_system_memory_human:15.58G\nused_memory_lua:37888\nused_memory_lua_human:37.00K\nmaxmemory:13500000000\nmaxmemory_human:12.57G\nmaxmemory_policy:volatile-lru\nmem_fragmentation_ratio:1.06\nmem_allocator:jemalloc-4.0.3\n# Persistence\n##\u6301\u4e45\u5316\u76f8\u5173\u5185\u5bb9\nloading:0\nrdb_changes_since_last_save:220962\nrdb_bgsave_in_progress:1\nrdb_last_save_time:1520495145\nrdb_last_bgsave_status:ok\nrdb_last_bgsave_time_sec:115\nrdb_current_bgsave_time_sec:17\naof_enabled:0\naof_rewrite_in_progress:0\naof_rewrite_scheduled:0\naof_last_rewrite_time_sec:-1\naof_current_rewrite_time_sec:-1\naof_last_bgrewrite_status:ok\naof_last_write_status:ok\n# Stats\ntotal_connections_received:882320\ntotal_commands_processed:2796368475\ninstantaneous_ops_per_sec:820 #QPS\ntotal_net_input_bytes:206269274267\ntotal_net_output_bytes:221172814051\ninstantaneous_input_kbps:56.02 #\u5e26\u5bbd\u6570\u636e\ninstantaneous_output_kbps:25.40\nrejected_connections:0\nsync_full:0\nsync_partial_ok:0\nsync_partial_err:0\nexpired_keys:209363123\nevicted_keys:79500926\nkeyspace_hits:722384216\nkeyspace_misses:128646755\npubsub_channels:0\npubsub_patterns:0\nlatest_fork_usec:194435\nmigrate_cached_sockets:0\n# Replication\n##@@\u4e3b\u4ece\u76f8\u5173\u5185\u5bb9\nrole:master\nconnected_slaves:0\nmaster_repl_offset:0\nrepl_backlog_active:0\nrepl_backlog_size:1048576\nrepl_backlog_first_byte_offset:0\nrepl_backlog_histlen:0\n# CPU\n##@@CPU\u72b6\u6001\uff0c\u8fd9\u4e2a\u503c\u9700\u8981\u8fdb\u884c\u8ba1\u7b97\u540e\u624d\u80fd\u5f97\u51faCPU\u5229\u7528\u7387\u3002\nused_cpu_sys:89819.95\nused_cpu_user:45773.93\nused_cpu_sys_children:19337.14\nused_cpu_user_children:514401.09\n# Cluster\ncluster_enabled:0\n# Keyspace\ndb0:keys=13678267,expires=10984098,avg_ttl=550750775\n##@@\u8fd9\u91cc\u663e\u793a\u4e86\u5404\u4e2a\u6570\u636e\u5e93key\u7684\u5b58\u653e\u6570\u76ee\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7select db\u540e\uff0cdbsize\u8ba1\u7b97\u5f53\u524ddb\u4e2dkey\u7684\u6570\u91cf\u3002<\/code><\/pre>\n<\/div>\ninfo\u547d\u4ee4\u53ea\u662f\u603b\u4f53\u663e\u793a\u4e86\u4e00\u4e9b\u76d1\u63a7\u6570\u636e\uff0credis-cli\u8fd8\u6709\u5176\u4ed6\u76d1\u63a7\u9879\u76ee\uff0c\u6bd4\u5982<\/p>\n
2.2 \u67e5\u770b\u548c\u6740\u6389\u5ba2\u6237\u7aef\u8fde\u63a5<\/h4>\n
\n##@@\u5217\u51fa\u5ba2\u6237\u7aef\n127.0.0.1:6379> CLIENT LIST\nid=881455 addr=172.28.0.87:36377 fd=12 name= age=4882 idle=5 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=del\nid=881976 addr=172.28.0.95:42077 fd=35 name= age=2334 idle=9 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=setnx\nid=881899 addr=172.28.0.95:40057 fd=38 name= age=2729 idle=6 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=ping\n##@@\u6740\u6389\u5ba2\u6237\u7aef\uff08\u4e0d\u5b9e\u7528\uff0c\u81ea\u5df1\u4e00\u4f1a\u513f\u5c31\u8fde\u4e0a\u4e86\uff09\n127.0.0.1:6379> CLIENT KILL 172.28.0.95:40057<\/code><\/pre>\n<\/div>\n2.3 stat\u547d\u4ee4<\/h4>\n
\u6b64\u547d\u4ee4\u53ef\u4ee5\u663e\u793akey\u6570\u91cf\u3001\u5185\u5b58\u3001\u5ba2\u6237\u7aef\u6570\u91cf\u3001QPS\u60c5\u51b5\uff0c\u7c7b\u4f3c\u4e8eiostat\u3001vmstat\u4e4b\u7c7b\u6bcf\u79d2\u949f\u5237\u65b0\u4e00\u6b21\uff0c\u5982\u4e0b<\/p>\n
\n[root@Ali-BJ-OL-99 fio]# redis-cli -h 127.0.0.1 -p 6379 --stat\n------- data ------ --------------------- load -------------------- - child -\nkeys mem clients blocked requests connections\n12495867 11.93G 57 0 2774586381 (+0) 878430\n12495972 11.93G 57 0 2774587430 (+1049) 878430\n12496038 11.93G 57 0 2774588265 (+835) 878430\n12496149 11.93G 57 0 2774589330 (+1065) 878430\n12496225 11.93G 57 0 2774590345 (+1015) 878430\n12496326 11.93G 57 0 2774591469 (+1124) 878430\n12496428 11.93G 57 0 2774592548 (+1079) 878430 <\/code><\/pre>\n<\/div>\n\u5982\u679c\u4f60\u7684redis\u8bbe\u7f6e\u4e86\u5bc6\u7801\uff0c\u9700\u8981\u52a0\u4e0a\u53c2\u6570\"-a yourpassword\"\u3002<\/p>\n
2.4 \u67e5\u770bredis\u5ef6\u8fdf<\/h4>\n
--latency, --latency-history \u53c2\u6570\u53ef\u4ee5\u53c2\u770bredis\u5f53\u524d\u7684\u54cd\u5e94\u5ef6\u8fdf\u60c5\u51b5\u3002<\/p>\n
\n[root@Ali-BJ-OL-99 ~]# redis-cli -h 127.0.0.1 -p 6379 --latency\nmin: 7, max: 1230, avg: 66.22 (89 samples)<\/code><\/pre>\n<\/div>\n2.5 \u4f7f\u7528monitor\u5f00\u542f\u5b9e\u65f6\u76d1\u63a7<\/h4>\n
monitor\u547d\u4ee4\u4f1a\u76d1\u63a7\u5f53\u524dredis\u63a5\u53d7\u7684\u547d\u4ee4\u548c\u6570\u636e\u5185\u5bb9\uff0c\u8fd9\u4e2a\u547d\u4ee4\u4f1a\u6bd4\u8f83\u6d88\u8017\u8d44\u6e90\uff0c\u6839\u636e\u5b98\u7f51\u7684\u6d4b\u8bd5\uff0cQPS\u4f1a\u4e0b\u964d\u5230\u539f\u5148\u768450%\uff0c\u9700\u8981\u8c28\u614e\u4f7f\u7528\u3002<\/p>\n
\n[root@Ali-BJ-OL-99 ~]# redis-cli monitor\nOK\n1520496864.844638 [0 172.28.0.95:40594] \"SETNX\" \"CSCustomer_5ad69f0b068f278e01c2ef5f701ec5a5\" \"1\"\n1520496864.845212 [0 172.28.0.27:10706] \"GET\" \"lock_:4211022454185883_20003\"\n1520496864.846564 [0 172.28.0.27:10706] \"DEL\" \"lock_:4211022454185883_20003\"<\/code><\/pre>\n<\/div>\n\u6211\u4eec\u53ef\u4ee5\u5c06 redis-cli monitor\u6570\u636e\u5199\u5165\u5230\u6587\u4ef6\uff0c\u7136\u540e\u5c31\u53ef\u4ee5\u624b\u52a8\u5206\u6790\u547d\u4ee4\u6267\u884c\u7684\u6b21\u6570\u3002<\/p>\n
\n[root@Ali-BJ-OL-99 ~]# cat m.log |awk '{print $4}' |sort |uniq -c |sort -nr\n 3523 \"SETNX\"\n 1488 \"GET\"\n 1253 \"SADD\"\n 1142 \"PING\"<\/code><\/pre>\n<\/div>\n2.6 \u4f7f\u7528bigkeys\u67e5\u627e\u5360\u7528\u7a7a\u95f4\u8f83\u5927\u7684key<\/h4>\n
--bigkeys\u8fd9\u6761\u547d\u4ee4\u4f1a\u4f7f\u7528SCAN\u4eceredis\u91cc\u9762\u67e5\u627e\u5360\u7528\u7a7a\u95f4\u6700\u5927\u7684key\uff0c\u8fd9\u4f1a\u904d\u5386redis\u6570\u636e\u5e93\u3002
\n\u4f46\u662f\u4ed6\u53ea\u628a\u6700\u5927\u7684\u627e\u51fa\u6765\u4e86\uff0c\u4e0d\u600e\u4e48\u5b9e\u7528\uff0c\u81f3\u5c11\u6765\u4e2aTOP10\u5427\u3002<\/p>\n\n[root@Ali-BJ-OL-99 ~]# redis-cli --bigkeys\n# Scanning the entire keyspace to find biggest keys as well as\n# average sizes per key type. You can use -i 0.1 to sleep 0.1 sec\n# per 100 SCAN commands (not usually needed).\n[00.00%] Biggest string found so far 'priv_key_78410' with 1 bytes\n[00.09%] Biggest string found so far 'bigkey' with 573 bytes\n[50.22%] Biggest string found so far 'bigkey2' with 606 bytes\n-------- summary -------\nSampled 81697 keys in the keyspace!\nTotal key length in bytes is 1133020 (avg len 13.87)\nBiggest string found 'bigkey2' has 606 bytes\n81697 strings with 83563 bytes (100.00% of keys, avg size 1.02)\n0 lists with 0 items (00.00% of keys, avg size 0.00)\n0 sets with 0 members (00.00% of keys, avg size 0.00)\n0 hashs with 0 fields (00.00% of keys, avg size 0.00)\n0 zsets with 0 members (00.00% of keys, avg size 0.00)<\/code><\/pre>\n<\/div>\n
<\/p>\n <\/div>\n<\/div>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/wiz_tmp_tag><\/p>\n
\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1aIPCPU-\u7f51\u7edc\u4e4b\u8def<\/a> » Redis\u76d1\u63a7\u6c47\u603b(1\/2)<\/a><\/p>","protected":false},"excerpt":{"rendered":"
Redis\u76d1\u63a7\u6c47\u603b\u4e00.md \u4e00\u3001\u6982\u8ff0 \u5bf9\u4e8e\u4efb\u4f55\u8fd0\u884c\u5728\u751f\u4ea7\u73af\u5883\u7684\u8f6f\u4ef6\uff0c\u76d1\u63a7\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u4e00\u4e2a\u73af\u8282\u3002 \u6211\u4eec\u5728\u5206\u6790\u5404\u79cd\u5de5\u5177\u4e4b\u524d\uff0c\u5148\u6765\u770b\u4e0bredis\u90fd\u6709\u54ea\u4e9b\u6307\u6807\u9700\u8981\u5173\u6ce8\u548c\u76d1\u63a7\u3002 Redis\u76d1\u63a7\u7684\u7528\u9014\u6709\u4e24\u79cd\uff0c\u4e00\u79cd\u662f\u7c7b\u4f3c\u4e8ezabbix\uff0c\u76d1\u63a7\u6307\u6807\u5e76\u7528\u6765\u62a5\u8b66\uff0c\u53e6\u5916\u4e00\u79cd\u5c31\u662f\u51fa\u73b0\u95ee\u9898\u65f6\uff0c\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\u4f7f\u7528\u7684\u3002 \u5404\u4e2a\u6570\u636e\u5e93db\u7684key\u6570\u91cf\u3001redis\u5b58\u50a8\u7684key\u603b\u6570\u91cf redis\u5185\u5b58\u4f7f\u7528\u72b6\u51b5 redis\u4f7f\u7528CPU\u72b6\u51b5 redis\u5f53\u524d\u7684QPS redis\u4e2d\u6570\u636e\u8bf7\u6c42\u7684\u547d\u4e2d\u7387 key\u7684\u8fc7\u671f\u548c\u9010\u51fa\u60c5\u51b5 \u5f53\u524dredis\u7684\u5ba2\u6237\u7aef\u60c5\u51b5 Redis\u7f51\u7edc\u51fa\u5165\u5e26\u5bbd redis\u5ba2\u6237\u7aef\u53d1\u8d77\u7684\u547d\u4ee4\u6392\u884c\uff08TOP 10 \u547d\u4ee4\uff09 \u4e3b\u4ece\u3001RDB\u548cAOF\u6301\u4e45\u5316\u53ca\u5176\u4ed6 redis\u81ea\u5e26\u4e86redis-cli\u5de5\u5177\uff0c\u57fa\u672c\u4e0a\u53ef\u4ee5\u8986\u76d6\u4ee5\u4e0a\u4e00\u4e9b\u6307\u6807\uff0c\u4f46\u662f\u6709\u5f88\u591a\u6307\u6807\u9700\u8981\u7ecf\u8fc7\u8fdb\u4e00\u6b65\u5904\u7406\u624d\u53ef\u4ee5\u663e\u793a\u3002\u6211\u4eec\u540e\u9762\u4f1a\u9010\u4e2a\u5206\u6790\u3002 \u4e8c\u3001redis-cli\u547d\u4ee4 redis-cli\u662fredis\u81ea\u5e26\u7684\u5ba2\u6237\u7aef\u5de5\u5177\uff0c\u53ef\u4ee5\u6267\u884c\u4e30\u5bcc\u7684redis\u547d\u4ee4\uff0c\u5f53\u7136\u4e5f\u63d0\u4f9b\u4e86\u5f88\u591a\u7684\u76d1\u63a7\u6570\u636e\u3002 2.1 info\u547d\u4ee4 info\u547d\u4ee4\u662fredis\u6700\u57fa\u672c\u7684\u76d1\u63a7\u6570\u636e [root@Ali-BJ-OL-99 ~]# redis-cli info # Server redis_version:3.2.8 redis_git_sha1:00000000 redis_git_dirty:0 redis_build_id:d3e3dd6ceee8d380 redis_mode:standalone os:Linux 2.6.32-573.22.1.el6.x86_64 x86_64 arch_bits:64 multiplexing_api:epoll gcc_version:4.4.7 process_id:6048 run_id:6971ef604fa47e0d243993e31e376175eab35583 tcp_port:6379 uptime_in_seconds:3732962 uptime_in_days:43 hz:10 lru_clock:10546323 executable:\/usr\/bin\/redis-server config_file:\/etc\/redis.conf # Clients ##@@\u5ba2\u6237\u7aef\u60c5\u51b5 connected_clients:71 client_longest_output_list:0 client_biggest_input_buf:0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[13],"tags":[120,142,57,32],"_links":{"self":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/1023"}],"collection":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/comments?post=1023"}],"version-history":[{"count":0,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/1023\/revisions"}],"wp:attachment":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/media?parent=1023"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/categories?post=1023"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/tags?post=1023"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}