Prometheus鎶€鏈垎浜€斺€旂洃鎺у悇涓寚鏍囩殑鍚箟锛岀被鍨嬶紝浠ュ強鏍煎紡鏈€鍏堝嚭鐜板湪涔愮淮瀹樼綉銆侟/p> ]]> 鍓嶉潰鍑犳湡涔愮淮鍚涘凡缁忚窡澶у浠嬬粛浜唒rometheus鐨勫畨瑁呴厤缃€佸憡璀﹁鍒欑瓑绛夛紝鏈湡灏嗛噸鐐逛粙缁峱rometheus鐩戞帶鍚勪釜鎸囨爣鐨勫惈涔夈€佺被鍨嬩互鍙婃牸寮忋€侟/p>

1. Prometheus 鐩戞帶鎸囨爣鐨勭被鍨婞/h3>

prometheus涓昏鏈夊洓绉嶇被鍨嬬殑鐩戞帶鎸囨爣锛欬/p>

1.Counter绫诲瀷鐨勬寚鏍囷細鍏跺伐浣滄柟寮忓拰璁℃暟鍣ㄤ竴鏍凤紝鍙涓嶅噺锛堥櫎闈炵郴缁熷彂鐢熼噸缃級銆傚父瑙佺殑鐩戞帶鎸囨爣锛屽鏈哄櫒鐨勫惎鍔ㄦ椂闂达紙node_cpu锛夛紝HTTP璁块棶閲忥紙http_requests_total锛夌瓑銆傚彲浠ラ€氳繃PromQL璇彞瀵硅繖浜涙寚鏍囪繘琛屽垎鏋愶紝濡傦細
鏌ヨ褰撳墠绯荤粺涓紝璁块棶閲忓墠10鐨凥TTP鍦板潃锛欬/p>

topk(10, http_requests_total)

2.Gauge鍗充华琛ㄧ被鍨嬬殑鎸囨爣锛屼晶閲嶄簬鍙嶅簲绯荤粺鐨勫綋鍓嶇姸鎬侊紝鏍锋湰鏁版嵁鍙鍙噺銆傚CPU浣跨敤鐜囷紙node_memory_MemFree锛屼富鏈哄綋鍓嶇┖闂茬殑鍐呭澶у皬锛夛紝鍐呭瓨浣跨敤鐜囷紙node_memory_MemAvailable锛屽彲鐢ㄥ唴瀛樺ぇ灏忥級锛岄泦缇よ妭鐐逛釜鏁帮紝澶ч儴鍒嗙洃鎺ф暟鎹兘鏄繖绉嶇被鍨嬬殑銆 濡傚彲閫氳繃PromQL鍐呯疆鍑芥暟delta()鍙互鑾峰彇鏍锋湰鍦ㄤ竴娈垫椂闂磋繑鍥炲唴鐨勫彉鍖栨儏鍐点€備緥濡傦紝璁＄畻CPU娓╁害鍦ㄤ袱涓皬鏃跺唴鐨勫樊寮傦細

delta(cpu_temp_celsius{host="zeus"}[2h])

3.Histogram锛氫篃灏辨槸鐩存柟鍥剧被鍨嬬殑metric, 鑳藉鍒嗙粍鍒嗗尯闂存樉绀烘寚鏍囩殑淇℃伅銆備緥濡傦紝缁熻寤惰繜鍦? ~ 10ms涔嬮棿鐨勮姹傛暟鏈夊灏戣€?0~20ms涔嬮棿鐨勮姹傛暟灏卞彲閲囩敤杩欑鏂瑰紡銆傛敞鎰忎粬涓巗ummary鐨勫尯鍒€侟/p>

4.summary锛氬ソ鍍忎笉鏄緢濂界炕璇戯紝涓汉璁や负鏄〃绀哄垎浣嶆暟锛坬uantile锛夌殑淇℃伅銆傚垎浣嶆暟0.5琛ㄧず鍓?0%鐨勬暟鎹槸浠€涔堟按骞筹紝鐜板疄鐢熸椿涓殑渚嬪瓙姣斿鐝笂鎵€鏈夊鐢熻韩楂樼殑涓綅鏁帮紝鍚屾牱鐨勫垎浣嶆暟0.9琛ㄧず鍓?0%韬珮鐨勫垝鍒嗕綅缃€ 杩欎釜鍙互鍙傝€冨畼鏂规枃妗ｄ笂鐨勪緥瀛愶細

HELP prometheus_tsdb_wal_fsync_duration_seconds Duration of WAL fsync.
TYPE prometheus_tsdb_wal_fsync_duration_seconds summary
prometheus_tsdb_wal_fsync_duration_seconds{quantile=鈥?.5鈥潁 0.012352463
prometheus_tsdb_wal_fsync_duration_seconds{quantile=鈥?.9鈥潁 0.014458005
prometheus_tsdb_wal_fsync_duration_seconds{quantile=鈥?.99鈥潁 0.017316173
prometheus_tsdb_wal_fsync_duration_seconds_sum 2.888716127000002
prometheus_tsdb_wal_fsync_duration_seconds_count 216
浠庝笂闈㈢殑鏍锋湰涓彲浠ュ緱鐭ュ綋鍓峆rometheus Server杩涜wal_fsync鎿嶄綔鐨勬€绘鏁颁负216娆★紝鑰楁椂2.888716127000002s銆傚叾涓腑浣嶆暟锛坬uantile=0.5锛夌殑鑰楁椂涓?.012352463锛?鍒嗕綅鏁帮紙quantile=0.9锛夌殑鑰楁椂涓?.014458005s銆

2. Prometheus 鐩戞帶鎸囨爣鐨勬牸寮廃/h3>

2. 1 鏃堕棿搴忓垪

杩欏氨娑夊強鍒癙rometheus瀛樺偍鏁版嵁鐨勬柟寮忔槸鏃堕棿搴忓垪鐨勶紝鎵€璋撶殑鏃堕棿搴忓垪鍏跺疄灏辨槸鍏充簬鎸囨爣鐨勯泦鍚堬紝鍙笉杩囪繖浜涙寚鏍囨槸鎸夌収鏃堕棿椤哄簭鎺掑垪鐨勩€侟/p>

姣忔潯time-series閫氳繃鎸囨爣鍚嶇О(metrics name)鍜屼竴缁勬爣绛鹃泦(labelset)鍛藉悕銆傚涓嬫墍绀猴紝鍙互灏唗ime-series鐞嗚В涓轰竴涓互鏃堕棿涓篩杞寸殑鏁板瓧鐭╅樀锛
^
鈹 . . . . . . . . . . . . . . . . . . . node_cpu{cpu=鈥渃pu0鈥?mode=鈥渋dle鈥潁
鈹 . . . . . . . . . . . . . . . . . . . node_cpu{cpu=鈥渃pu0鈥?mode=鈥渟ystem鈥潁
鈹 . . . . . . . . . . . . . . . . . . node_load1{}
鈹 . . . . . . . . . . . . . . . . . .
v
<------------------ 鏃堕棿 ---------------->
鍦╰ime-series涓殑姣忎竴涓偣绉颁负涓€涓牱鏈紙sample锛夛紝鏍锋湰鐢变互涓嬩笁閮ㄥ垎缁勬垚锛
鎸囨爣(metric)锛歮etric name鍜屾弿杩板綋鍓嶆牱鏈壒寰佺殑labelsets;
鏃堕棿鎴?timestamp)锛氫竴涓簿纭埌姣鐨勬椂闂存埑;
鏍锋湰鍊?value)锛 涓€涓猣loat64鐨勬诞鐐瑰瀷鏁版嵁琛ㄧず褰撳墠鏍锋湰鐨勫€笺€
濡傦細http_request_total{status=鈥?00鈥? method=鈥淕ET鈥潁@1434417561287 => 94334

2.2 metric鏍煎紡

姣忎竴鏉etric鐨勬牸寮忔槸锛欬/p>

< metric name>{< label name>=< label value>, ...}

鍏朵腑浠_浣滀负鍓嶇紑鐨勬爣绛撅紝鏄郴缁熶繚鐣欑殑鍏抽敭瀛楋紝鍙兘鍦ㄧ郴缁熷唴閮ㄤ娇鐢ㄣ€侟br>娉ㄦ剰: 瀹為檯鑾峰彇鐨勪俊鎭?strong>鍙兘涓嶄粎浠呭寘鍚玬etric锛岃繕鏈変竴浜涙敞閲夵/strong>锛屼粬浠兘浠?寮€澶达紝鍏朵腑HELP鐢ㄤ簬瑙ｉ噴褰撳墠鎸囨爣鐨勫惈涔夛紝TYPE鍒欒鏄庡綋鍓嶆寚鏍囩殑鏁版嵁绫诲瀷銆侟/p>

濡備笅闈㈣繖鏉′俊鎭紝灏卞寘鍚簡涓ゆ潯metric銆侟/p>

# HELP node_cpu Seconds the cpus spent in each mode.
# TYPE node_cpu counter
node_cpu{cpu="cpu0",mode="idle"} 362812.7890625
# HELP node_load1 1m load average.
# TYPE node_load1 gauge
node_load1 3.0703125

杩欎竴鏈熺殑Prometheus鎶€鏈垎浜埌杩欏氨缁撴潫浜嗭紝鏇村寮€婧愮洃鎺ф妧鏈垎浜鎸佺画鍏虫敞涔愮淮瀹樼綉鎴朁a href="https://forum.lwops.cn/">涔愮淮绀惧尯锛坔ttps://forum.lwops.cn/锛堻/p>

Prometheus鎶€鏈垎浜€斺€旂洃鎺у悇涓寚鏍囩殑鍚箟锛岀被鍨嬶紝浠ュ強鏍煎紡鏈€鍏堝嚭鐜板湪涔愮淮瀹樼綉銆侟/p> ]]>