{"id":80372,"date":"2020-05-05T13:42:27","date_gmt":"2020-05-05T11:42:27","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/devid-obrajen-xirus-metriki-metriki-metriki-chast-1"},"modified":"2020-05-05T13:42:27","modified_gmt":"2020-05-05T11:42:27","slug":"devid-obrajen-xirus-metriki-metriki-metriki-chast-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/devid-obrajen-xirus-metriki-metriki-metriki-chast-1","title":{"rendered":"David O'Brien (Xirus): Metriky! Metriky! Metriky! \u010c\u00e1st 1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Ned\u00e1vno David O\u2019Brien zalo\u017eil svou vlastn\u00ed spole\u010dnost Xirus (https:\/\/xirus.com.au), kter\u00e1 se zam\u011b\u0159uje na cloudov\u00e9 produkty Microsoft Azure Stack. Jsou ur\u010deny k konzistentn\u00edmu vytv\u00e1\u0159en\u00ed a nasazen\u00ed hybridn\u00edch aplikac\u00ed v datov\u00fdch centrech, na okraji s\u00edt\u011b, v odlehl\u00fdch kancel\u00e1\u0159\u00edch a v cloudu.<\/p>\n

David \u0161kol\u00ed jednotlivce a firmy ve v\u0161em, co souvis\u00ed s Microsoft Azure a Azure DevOps (d\u0159\u00edve VSTS) a st\u00e1le se v\u011bnuje praktick\u00e9mu poradenstv\u00ed a infra-k\u00f3dov\u00e1n\u00ed. Ji\u017e 5 let je dr\u017eitelem ocen\u011bn\u00ed Microsoft MVP (Nejhodnotn\u011bj\u0161\u00ed profesion\u00e1l Microsoftu) a ned\u00e1vno z\u00edskal ocen\u011bn\u00ed MVP Azure. Jako spolupo\u0159adatel Melbourne Microsoft Cloud a Datacentre Meetup pravideln\u011b vystupuje na mezin\u00e1rodn\u00edch konferenc\u00edch, spojuj\u00edc\u00ed sv\u016fj z\u00e1jem o cestov\u00e1n\u00ed po sv\u011bt\u011b s v\u00e1\u0161n\u00ed sd\u00edlet IT p\u0159\u00edb\u011bhy s komunitou. David\u016fv blog se nach\u00e1z\u00ed na adrese david-obrien.net<\/a><\/noindex>, tak\u00e9 publikoval sv\u00e9 online \u0161kolen\u00ed na Pluralsight.<\/p>\n

V jeho prezentaci se hovo\u0159\u00ed o d\u016fle\u017eitosti metrik pro porozum\u011bn\u00ed tomu, co se d\u011bje ve va\u0161\u00ed oblasti a jak funguje va\u0161e aplikace. Microsoft Azure poskytuje siln\u00fd a jednoduch\u00fd zp\u016fsob zobrazen\u00ed metrik pro v\u0161echny typy pracovn\u00edch z\u00e1t\u011b\u017e\u00ed, a v p\u0159edn\u00e1\u0161ce se uv\u00e1d\u00ed, jak je v\u0161echny vyu\u017e\u00edt.<\/p>\n

Ve 3 hodiny r\u00e1no v ned\u011bli v\u00e1s b\u011bhem sp\u00e1nku n\u00e1hle probud\u00ed zvuk textov\u00e9 zpr\u00e1vy: \"kritick\u00e1 aplikace op\u011bt neodpov\u00edd\u00e1\". Co se d\u011bje? Kde je p\u0159\u00ed\u010dina \"zpo\u017ed\u011bn\u00ed\"? Z t\u00e9to p\u0159edn\u00e1\u0161ky se dozv\u00edte o slu\u017eb\u00e1ch, kter\u00e9 Microsoft Azure nab\u00edz\u00ed klient\u016fm pro sb\u011br log\u016f a p\u0159edev\u0161\u00edm metrik va\u0161ich cloudov\u00fdch pracovn\u00edch z\u00e1t\u011b\u017e\u00ed. David v\u00e1m p\u0159edstav\u00ed, jak\u00e9 metriky by v\u00e1s m\u011bly zaj\u00edmat p\u0159i pr\u00e1ci na cloudov\u00e9 platform\u011b a jak se k nim dostat. Dozv\u00edte se o n\u00e1stroj\u00edch s otev\u0159en\u00fdm zdrojov\u00fdm k\u00f3dem a budov\u00e1n\u00ed monitorovac\u00edch panel\u016f, a z\u00edsk\u00e1te tak dostatek znalost\u00ed, abyste si vytvo\u0159ili vlastn\u00ed panely.<\/a><\/noindex><\/p>\n

A pokud v\u00e1s ve 3 hodiny r\u00e1no op\u011bt probud\u00ed zpr\u00e1va o p\u00e1du kritick\u00e9 aplikace, budete schopni rychle zjistit p\u0159\u00ed\u010dinu.<\/p>\n

Dobr\u00fd den, dnes budeme hovo\u0159it o metrik\u00e1ch. Jmenuji se David O'Brien, jsem spoluzakladatel a majitel mal\u00e9 australsk\u00e9 konzulta\u010dn\u00ed spole\u010dnosti Xirus. Je\u0161t\u011b jednou d\u011bkuji, \u017ee jste si na\u0161li \u010das a p\u0159i\u0161li sem. Tak\u017ee, pro\u010d jsme zde? Abychom mluvili o metrik\u00e1ch, respektive j\u00e1 v\u00e1m o nich pov\u00edm, a ne\u017e za\u010dneme s n\u011bjak\u00fdmi v\u011bcmi, za\u010dneme teori\u00ed.<\/p>\n

\"David
\n
\nPov\u00edm v\u00e1m, co jsou metriky, co s nimi lze d\u011blat, na co je t\u0159eba d\u00e1vat pozor, jak sb\u00edrat metriky a integrovat sb\u011br metrik v Azure, a co je to vizualizace metrik. Uk\u00e1\u017eu v\u00e1m, jak tyto v\u011bci vypadaj\u00ed v cloudu Microsoftu a jak s t\u00edmto cloudem pracovat.<\/p>\n

Ne\u017e za\u010dneme, popros\u00edm ty, kdo pou\u017e\u00edvaj\u00ed Microsoft Azure, aby zvedli ruku. A kdo pracuje s AWS? Vid\u00edm, \u017ee jen m\u00e1lokdo. A s Google? ALI Cloud? Jeden \u010dlov\u011bk! Skv\u011ble. Tak\u017ee, co jsou metriky? Ofici\u00e1ln\u00ed definice N\u00e1rodn\u00edho institutu standard\u016f a technologi\u00ed USA zn\u00ed: \u201eMetrika je standard m\u011b\u0159en\u00ed, kter\u00fd popisuje podm\u00ednky a pravidla pro prov\u00e1d\u011bn\u00ed m\u011b\u0159en\u00ed n\u011bjak\u00e9ho vlastnosti a slou\u017e\u00ed k pochopen\u00ed v\u00fdsledk\u016f m\u011b\u0159en\u00ed.\u201c Co to znamen\u00e1? <\/p>\n

Pod\u00edvejme se na p\u0159\u00edklad metriky pro zm\u011bnu voln\u00e9ho m\u00edsta na disku virtu\u00e1ln\u00edho stroje. Nap\u0159\u00edklad n\u00e1m je d\u00e1no \u010d\u00edslo 90, a to \u010d\u00edslo znamen\u00e1 procenta, tedy objem voln\u00e9ho m\u00edsta na disku \u010din\u00ed 90%. Upozor\u0148uji, \u017ee nen\u00ed p\u0159\u00edli\u0161 zaj\u00edmav\u00e9 \u010d\u00edst popis definice metrik, kter\u00fd zab\u00edr\u00e1 40 str\u00e1nek ve form\u00e1tu pdf. <\/p>\n

Metrika v\u0161ak ne\u0159\u00edk\u00e1, jak\u00fdm zp\u016fsobem byl v\u00fdsledek m\u011b\u0159en\u00ed z\u00edsk\u00e1n, pouze ukazuje tento v\u00fdsledek. Co tedy d\u011bl\u00e1me s metrikami?<\/p>\n

Za prv\u00e9, m\u011b\u0159\u00edme hodnotu n\u011b\u010deho, abychom pot\u00e9 mohli vyu\u017e\u00edt v\u00fdsledek m\u011b\u0159en\u00ed. <\/p>\n

\"David
\n
\nNap\u0159\u00edklad jsme zjistili objem voln\u00e9ho diskov\u00e9ho prostoru a nyn\u00ed ho m\u016f\u017eeme vyu\u017e\u00edvat, nap\u0159\u00edklad tuto pam\u011b\u0165 atd. Jakmile z\u00edsk\u00e1me v\u00fdsledek metriky, mus\u00edme ho interpretovat. Nap\u0159\u00edklad metrika vygenerovala v\u00fdsledek 90. Mus\u00edme v\u011bd\u011bt, co toto \u010d\u00edslo znamen\u00e1: objem voln\u00e9ho prostoru nebo objem obsazen\u00e9ho prostoru disku v procentech nebo gigabajtech, latence s\u00edt\u011b ve v\u00fd\u0161i 90 ms atd., tedy mus\u00edme vylo\u017eit v\u00fdznam hodnoty metriky. Aby m\u011b\u0159en\u00ed m\u011bla smysl, po interpretaci jedn\u00e9 hodnoty metriky je t\u0159eba zajistit sb\u011br mnoha hodnot. To je velmi d\u016fle\u017eit\u00e9, proto\u017ee mnoho lid\u00ed si neuv\u011bdomuje pot\u0159ebu sb\u011bru metrik. Microsoft velmi usnadnil proces z\u00edsk\u00e1v\u00e1n\u00ed metrik, ale mus\u00edte zajistit jejich sb\u011br sami. Tyto metriky jsou uchov\u00e1v\u00e1ny pouze 41 dn\u00ed a 42. den zmiz\u00ed. Proto byste m\u011bli v z\u00e1vislosti na vlastnostech va\u0161eho extern\u00edho nebo intern\u00edho za\u0159\u00edzen\u00ed p\u0159em\u00fd\u0161let o tom, jak uchov\u00e1vat metriky d\u00e9le ne\u017e 41 dn\u00ed \u2014 nap\u0159\u00edklad ve form\u011b log\u016f, z\u00e1znam\u016f atd. Tak\u017ee po sb\u011bru byste je m\u011bli um\u00edstit na n\u011bjak\u00e9 m\u00edsto, kter\u00e9 v\u00e1m umo\u017en\u00ed v p\u0159\u00edpad\u011b pot\u0159eby vyzdvihnout celou statistiku zm\u011bn v\u00fdsledk\u016f metrik. Um\u00edst\u011bn\u00edm tam m\u016f\u017eete za\u010d\u00edt s nimi efektivn\u011b pracovat. <\/p>\n

Teprve pot\u00e9, co z\u00edsk\u00e1te hodnoty metrik, interpretujete je a shrom\u00e1\u017ed\u00edte, m\u016f\u017eete vytvo\u0159it SLA \u2013 dohodu o \u00farovni poskytov\u00e1n\u00ed slu\u017eeb. Toto SLA nemus\u00ed m\u00edt pro va\u0161e klienty velk\u00fd v\u00fdznam, je d\u016fle\u017eit\u011bj\u0161\u00ed pro va\u0161e kolegy, mana\u017eery, ty, kte\u0159\u00ed zaji\u0161\u0165uj\u00ed chod syst\u00e9mu a staraj\u00ed se o jeho funk\u010dnost. Metrika m\u016f\u017ee m\u011b\u0159it po\u010det tiket\u016f \u2014 nap\u0159\u00edklad dost\u00e1v\u00e1te 5 tiket\u016f denn\u011b, a v tomto p\u0159\u00edpad\u011b ukazuje rychlost reakce na po\u017eadavky u\u017eivatel\u016f a rychlost odstra\u0148ov\u00e1n\u00ed z\u00e1vad. Metrika by nem\u011bla pouze informovat, \u017ee se v\u00e1\u0161 web na\u010d\u00edt\u00e1 za 20 ms nebo \u017ee rychlost odezvy \u010din\u00ed 20 ms, metrika je v\u00edc ne\u017e jen jeden technick\u00fd ukazatel. <\/p>\n

Proto je c\u00edlem na\u0161eho rozhovoru p\u0159edstavit v\u00e1m podrobn\u00fd obraz podstaty metrik. Metrika slou\u017e\u00ed k tomu, abyste na ni pohl\u00e9dli a dok\u00e1zali z\u00edskat \u00fapln\u00fd obr\u00e1zek procesu. <\/p>\n

\"David
\n
\nJakmile m\u00e1me metriku, m\u016f\u017eeme s 99% z\u00e1rukou \u0159\u00edct, \u017ee syst\u00e9m funguje, proto\u017ee to nen\u00ed jen pohled do logu, kde je uvedeno, \u017ee syst\u00e9m pracuje. Z\u00e1ruka 99% provozuschopnosti znamen\u00e1, \u017ee nap\u0159\u00edklad v 99% p\u0159\u00edpad\u016f API odpov\u00edd\u00e1 norm\u00e1ln\u00ed rychlost\u00ed 30 ms. To je p\u0159esn\u011b to, co zaj\u00edm\u00e1 va\u0161e u\u017eivatele, va\u0161e kolegy a mana\u017eery. Mnoho na\u0161ich klient\u016f sleduje logy webov\u00fdch server\u016f a p\u0159itom si nev\u0161imnou \u017e\u00e1dn\u00fdch chyb a mysl\u00ed si, \u017ee je v\u0161e v po\u0159\u00e1dku. Nap\u0159\u00edklad vid\u00ed hodnocen\u00ed rychlosti s\u00edt\u011b 200 Mb\/s a \u0159\u00edkaj\u00ed si: \u201eOK, v\u0161echno je skv\u011bl\u00e9!\u201c. Ale aby se dos\u00e1hlo t\u011bchto 200, u\u017eivatel\u016fm je pot\u0159eba doba odezvy 30 milisekund, a to je pr\u00e1v\u011b ten parametr, kter\u00fd se nem\u011b\u0159\u00ed a nezaznamen\u00e1v\u00e1 v logov\u00fdch souborech. P\u0159itom u\u017eivatel\u00e9 jsou p\u0159ekvapeni, \u017ee se str\u00e1nky na\u010d\u00edtaj\u00ed velmi pomalu, proto\u017ee bez pot\u0159ebn\u00e9 metriky nev\u011bd\u00ed, pro\u010d se takto chovaj\u00ed. <\/p>\n

Ale proto\u017ee m\u00e1me SLA, kter\u00e9 zaru\u010duje 100% provozuschopnost, za\u010d\u00ednaj\u00ed klienti vyjad\u0159ovat rozho\u0159\u010den\u00ed, proto\u017ee je ve skute\u010dnosti velmi obt\u00ed\u017en\u00e9 web pou\u017e\u00edvat. Proto je pro vytvo\u0159en\u00ed objektivn\u00edho SLA nutn\u00e9 vid\u011bt celkov\u00fd obr\u00e1zek procesu, kter\u00fd je vytv\u00e1\u0159en shrom\u00e1\u017ed\u011bn\u00fdmi metrikami. To je p\u0159edm\u011btem m\u00e9ho neust\u00e1l\u00e9ho sporu s n\u011bkter\u00fdmi poskytovateli, kte\u0159\u00ed p\u0159i vytv\u00e1\u0159en\u00ed SLA nech\u00e1pou, co tento term\u00edn \u201euptime\u201c znamen\u00e1, a ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f sv\u00fdm klient\u016fm nevysv\u011btluj\u00ed, jak jejich API funguje. <\/p>\n

Pokud jste vytvo\u0159ili slu\u017ebu, nap\u0159\u00edklad API pro t\u0159et\u00ed stranu, mus\u00edte ch\u00e1pat, co znamen\u00e1 z\u00edskan\u00e1 metrika 39,5 \u2013 odpov\u011b\u010f, \u00fasp\u011b\u0161n\u00e1 odpov\u011b\u010f, odpov\u011b\u010f rychlost\u00ed 20 ms nebo rychlost\u00ed 5 ms. Pr\u00e1v\u011b vy byste m\u011bli p\u0159izp\u016fsobit jejich SLA sv\u00e9mu vlastn\u00edmu SLA, sv\u00fdm vlastn\u00edm metrik\u00e1m. <\/p>\n

Jakmile to v\u0161echno zjist\u00edte, m\u016f\u017eete za\u010d\u00edt vytv\u00e1\u0159et skv\u011bl\u00fd monitorovac\u00ed panel. \u0158ekn\u011bte, n\u011bkdo ji\u017e vyu\u017eil aplikaci pro interaktivn\u00ed vizualizaci Grafana? Skv\u011bl\u00e9! Jsem velk\u00fdm fanou\u0161kem tohoto open source, proto\u017ee je to zadarmo a snadno se pou\u017e\u00edv\u00e1. <\/p>\n

\"David
\n
\nPokud jste je\u0161t\u011b nepou\u017e\u00edvali Grafanu, uk\u00e1\u017eu v\u00e1m, jak s n\u00ed pracovat. Ti, kdo se narodili v 80. a 90. letech, si asi vzpomenou na mil\u00e9 medv\u00eddky CareBears? Nezn\u00e1m, jak popul\u00e1rn\u00ed byli tito medv\u00eddci v Rusku, ale co se t\u00fd\u010de metrik, m\u011bli bychom b\u00fdt stejn\u011b \u201ep\u00e9\u010de pln\u00fdmi medv\u00eddky\u201c. Jak jsem \u0159ekl, pot\u0159ebujete ucelen\u00fd pohled na fungov\u00e1n\u00ed cel\u00e9ho syst\u00e9mu, a ten by nem\u011bl zahrnovat pouze va\u0161e API, va\u0161i webovou str\u00e1nku nebo slu\u017ebu b\u011b\u017e\u00edc\u00ed na virtu\u00e1ln\u00edm stroji. <\/p>\n

\"David
\n
\nMus\u00edte uspo\u0159\u00e1dat sb\u011br t\u011bch metrik, kter\u00e9 nejl\u00e9pe odr\u00e1\u017eej\u00ed fungov\u00e1n\u00ed cel\u00e9ho syst\u00e9mu. V\u011bt\u0161ina z v\u00e1s je v\u00fdvoj\u00e1\u0159\u016f softwaru, tak\u017ee v\u00e1\u0161 \u017eivot se neust\u00e1le m\u011bn\u00ed, p\u0159izp\u016fsobuje se nov\u00fdm po\u017eadavk\u016fm produktu, a tak jako se zab\u00fdv\u00e1te procesy k\u00f3dov\u00e1n\u00ed, m\u011bli byste se tak\u00e9 postarat o metriky. Mus\u00edte v\u011bd\u011bt, jak se metriky t\u00fdkaj\u00ed ka\u017ed\u00e9ho \u0159\u00e1dku va\u0161eho napsan\u00e9ho k\u00f3du. Nap\u0159\u00edklad p\u0159\u00ed\u0161t\u00ed t\u00fdden za\u010d\u00edn\u00e1te novou marketingovou kampa\u0148 a o\u010dek\u00e1v\u00e1te, \u017ee v\u00e1\u0161 web nav\u0161t\u00edv\u00ed velk\u00e9 mno\u017estv\u00ed u\u017eivatel\u016f. Pro anal\u00fdzu t\u00e9to ud\u00e1losti budete pot\u0159ebovat metriky a mo\u017en\u00e1 budete pot\u0159ebovat celou panelovou aplikaci k sledov\u00e1n\u00ed aktivity t\u011bchto lid\u00ed. Metriky v\u00e1m p\u0159ijdou vhod, abyste zjistili, jak \u00fasp\u011b\u0161n\u00e1 je a jak skute\u010dn\u011b funguje va\u0161e marketingov\u00e1 kampa\u0148. Pomohou v\u00e1m nap\u0159\u00edklad navrhnout efektivn\u00ed CRM \u2014 syst\u00e9m \u0159\u00edzen\u00ed vztah\u016f se z\u00e1kazn\u00edky. <\/p>\n

Tak\u017ee, poj\u010fme se pod\u00edvat na na\u0161i cloudovou slu\u017ebu Azure. Velmi snadno se zde nach\u00e1zej\u00ed a organizuj\u00ed sb\u011bry metrik, proto\u017ee tu m\u00e1me Azure Monitor. Tento monitor centralizuje spr\u00e1vu konfigurace va\u0161eho syst\u00e9mu. Ka\u017ed\u00fd prvek Azure, kter\u00fd chcete implementovat do sv\u00e9ho syst\u00e9mu, m\u00e1 mnoho v\u00fdchoz\u00edch metrik. Je to bezplatn\u00e1 aplikace, kter\u00e1 funguje p\u0159\u00edmo \u201ez krabice\u201c a nevy\u017eaduje \u017e\u00e1dn\u00e1 p\u0159edb\u011b\u017en\u00e1 nastaven\u00ed, nemus\u00edte nic ps\u00e1t ani \u201ep\u0159ipojovat\u201c k va\u0161emu syst\u00e9mu. Ov\u011b\u0159\u00edme si to prohl\u00e9dnut\u00edm n\u00e1sleduj\u00edc\u00edho dema. <\/p>\n

\"David
\n
\nKrom\u011b toho je t\u0159eba zas\u00edlat tyto metriky t\u0159et\u00edm aplikac\u00edm, jako je syst\u00e9m pro ukl\u00e1d\u00e1n\u00ed a anal\u00fdzu log\u016f Splunk, cloudov\u00e1 aplikace pro spr\u00e1vu log\u016f SumoLogic, n\u00e1stroj pro zpracov\u00e1n\u00ed log\u016f ELK, IBM Radar. Pravda, \u017ee zde existuj\u00ed mal\u00e9 rozd\u00edly, kter\u00e9 z\u00e1vis\u00ed na pou\u017e\u00edvan\u00fdch zdroj\u00edch \u2013 virtu\u00e1ln\u00edch stroj\u00edch, s\u00ed\u0165ov\u00fdch slu\u017eb\u00e1ch, datab\u00e1z\u00edch Azure SQL, tak\u017ee pou\u017eit\u00ed metrik se li\u0161\u00ed v z\u00e1vislosti na funkc\u00edch va\u0161eho pracovn\u00edho prost\u0159ed\u00ed. Nen\u00ed to tak, \u017ee by tyto rozd\u00edly byly z\u00e1sadn\u00ed, ale bohu\u017eel zde jsou a je t\u0159eba je vz\u00edt v \u00favahu. Zahrnut\u00ed a odes\u00edl\u00e1n\u00ed metrik je mo\u017en\u00e9 n\u011bkolika zp\u016fsoby: p\u0159es Portal, CLI\/Power Shell nebo pomoc\u00ed \u0161ablon ARM. <\/p>\n

\"David
\n
\nNe\u017e za\u010dneme s prvn\u00ed uk\u00e1zkou, r\u00e1d odpov\u00edm na va\u0161e p\u0159\u00edpadn\u00e9 dotazy. Pokud \u017e\u00e1dn\u00e9 dotazy nejsou, m\u016f\u017eeme za\u010d\u00edt. Na obrazovce je vid\u011bt, jak vypad\u00e1 str\u00e1nka Azure Monitor. M\u016f\u017ee n\u011bkdo z v\u00e1s \u0159\u00edct, \u017ee tento monitor nefunguje? <\/p>\n

\"David
\n
\nTak\u017ee te\u010f je v\u0161echno v po\u0159\u00e1dku, vid\u00edte, jak vypadaj\u00ed slu\u017eby monitoru. Mohu \u0159\u00edci, \u017ee je to skv\u011bl\u00fd a velmi jednoduch\u00fd n\u00e1stroj pro ka\u017edodenn\u00ed pr\u00e1ci. Pomoc\u00ed n\u011bj lze monitorovat aplikace, s\u00ed\u0165 a infrastrukturu. Ned\u00e1vno bylo vylep\u0161eno rozhran\u00ed monitorov\u00e1n\u00ed, a pokud d\u0159\u00edve byly slu\u017eby rozlo\u017eeny na r\u016fzn\u00fdch m\u00edstech, nyn\u00ed jsou v\u0161echny informace o slu\u017eb\u00e1ch konsolidov\u00e1ny na domovsk\u00e9 str\u00e1nce monitoru. <\/p>\n

Tabulka metrik je z\u00e1lo\u017eka v cest\u011b HomeMonitorMetrics, na kterou se m\u016f\u017eete dostat, abyste vid\u011bli v\u0161echny dostupn\u00e9 metriky a vybrali si pot\u0159ebn\u00e9. Ale pokud pot\u0159ebujete povolit sb\u011br metrik, mus\u00edte pou\u017e\u00edt cestu adres\u00e1\u0159e HomeMonitorDiagnostic settings a zkontrolovat za\u0161krt\u00e1vac\u00ed pol\u00ed\u010dka metrik Enabled\/Disabled. Ve v\u00fdchoz\u00edm stavu jsou prakticky v\u0161echny metriky zapnut\u00e9, ale pokud pot\u0159ebujete povolit n\u011bco nav\u00edc, budete muset zm\u011bnit stav diagnostiky z Disabled na Enabled. <\/p>\n

\"David
\n
\nK tomu je pot\u0159eba kliknout na \u0159\u00e1dek vybran\u00e9 metriky a na otev\u0159en\u00e9 z\u00e1lo\u017ece povolit diagnostick\u00fd re\u017eim. Pokud pl\u00e1nujete analyzovat vybranou metriku, po kliknut\u00ed na odkaz Turn on diagnostic mus\u00edte v zobrazen\u00e9m okn\u011b za\u0161krtnout pol\u00ed\u010dko Send to Log Analytics. <\/p>\n

\"David
\n
\nLog Analytics je trochu podobn\u00fd Splunku, ale je levn\u011bj\u0161\u00ed. Tato slu\u017eba v\u00e1m umo\u017e\u0148uje shroma\u017e\u010fovat v\u0161echny va\u0161e metriky, logy a v\u0161e, co pot\u0159ebujete, a um\u00edstit je do pracovn\u00edho prostoru Log Analytics. Slu\u017eba pou\u017e\u00edv\u00e1 speci\u00e1ln\u00ed jazyk pro zpracov\u00e1n\u00ed dotaz\u016f KQL \u2013 Kusto Query Language, jeho\u017e funkce si uk\u00e1\u017eeme v n\u00e1sleduj\u00edc\u00edm demu. Zat\u00edm jen zm\u00edn\u00edm, \u017ee s jeho pomoc\u00ed m\u016f\u017eete formulovat dotazy t\u00fdkaj\u00edc\u00ed se metrik, log\u016f, term\u00edn\u016f, trend\u016f, vzor\u016f atd. a vytv\u00e1\u0159et p\u0159ehledov\u00e9 panely.<\/p>\n

Tak\u017ee za\u0161krtneme checkbox Send to Log Analytics a checkboxy panelu LOG: DataPlaneRequests, MongoRequests a QueryRuntimeStatistics, a n\u00ed\u017ee na panelu METRIC za\u0161krtneme checkbox Requests. Pot\u00e9 p\u0159i\u0159ad\u00edme n\u011bjak\u00e9 jm\u00e9no a ulo\u017e\u00edme nastaven\u00ed. V p\u0159\u00edkazov\u00e9m \u0159\u00e1dku to p\u0159edstavuje dv\u011b \u0159\u00e1dky k\u00f3du. Mimochodem, rozhran\u00ed Azure Cloud v tomto ohledu p\u0159ipom\u00edn\u00e1 Google, kter\u00fd tak\u00e9 umo\u017e\u0148uje pou\u017e\u00edvat p\u0159\u00edkazov\u00fd \u0159\u00e1dek ve va\u0161em webov\u00e9m prohl\u00ed\u017ee\u010di. AWS nem\u00e1 nic podobn\u00e9ho, tak\u017ee Azure je v tomto ohledu mnohem pohodln\u011bj\u0161\u00ed. <\/p>\n

Nap\u0159\u00edklad mohu spustit demo p\u0159es webov\u00e9 rozhran\u00ed, ani\u017e bych pro to pot\u0159eboval jak\u00fdkoliv k\u00f3d na sv\u00e9m notebooku. K tomu se mus\u00edm autentizovat pomoc\u00ed sv\u00e9ho \u00fa\u010dtu Azure. Pot\u00e9 mohu nap\u0159\u00edklad pou\u017e\u00edt terrafone, pokud ho ji\u017e pou\u017e\u00edv\u00e1te, po\u010dkat na p\u0159ipojen\u00ed ke slu\u017eb\u011b a z\u00edskat pracovn\u00ed prost\u0159ed\u00ed Linux, kter\u00e9 Microsoft pou\u017e\u00edv\u00e1 jako v\u00fdchoz\u00ed. <\/p>\n

\"David
\n
\nD\u00e1le pou\u017e\u00edv\u00e1m Bash, integrovan\u00fd v Azure Cloud Shell. Velmi u\u017eite\u010dn\u00fdm n\u00e1strojem je integrovan\u00e9 IDE v prohl\u00ed\u017ee\u010di, zjednodu\u0161en\u00e1 verze VS Code. Pot\u00e9 mohu vstoupit do sv\u00e9ho \u0161ablony metrik chyb, upravit ji a p\u0159izp\u016fsobit sv\u00fdm pot\u0159eb\u00e1m. <\/p>\n

\"David
\n
\nNastaven\u00edm t\u00e9to \u0161ablony pro shroma\u017e\u010fov\u00e1n\u00ed metrik m\u016f\u017eete aplikovat ji na vytv\u00e1\u0159en\u00ed metrik pro celou va\u0161i infrastrukturu. Pot\u00e9, co jsme metriky pou\u017eili, shrom\u00e1\u017edili a ulo\u017eili, budeme je pot\u0159ebovat vizualizovat. <\/p>\n

\"David
\n
\nAzure Monitor se zam\u011b\u0159uje pouze na metriky a neposkytuje mo\u017enost z\u00edskat celkov\u00fd obraz stavu va\u0161eho syst\u00e9mu. M\u016f\u017eete m\u00edt v provozu \u0159adu dal\u0161\u00edch aplikac\u00ed, kter\u00e9 b\u011b\u017e\u00ed mimo prost\u0159ed\u00ed Azure. Tak\u017ee pokud pot\u0159ebujete monitorovat v\u0161echny procesy a vizualizovat v\u0161echny shrom\u00e1\u017ed\u011bn\u00e9 metriky na jednom m\u00edst\u011b, Azure Monitor pro to nebude vyhovuj\u00edc\u00ed. <\/p>\n

Pro \u0159e\u0161en\u00ed tohoto \u00fakolu Microsoft nab\u00edz\u00ed n\u00e1stroj Power BI \u2013 komplexn\u00ed software pro podnikovou anal\u00fdzu, kter\u00fd zahrnuje vizualizaci nejr\u016fzn\u011bj\u0161\u00edch dat. Tento produkt je pom\u011brn\u011b drah\u00fd a jeho cena se odv\u00edj\u00ed od po\u017eadovan\u00e9ho bal\u00ed\u010dku funkc\u00ed. Ve v\u00fdchoz\u00edm nastaven\u00ed nab\u00edz\u00ed 48 typ\u016f zpracov\u00e1van\u00fdch dat a je propojen s datov\u00fdmi sklady SQL Azure, Azure Data Lake Storage, slu\u017ebami strojov\u00e9ho u\u010den\u00ed Azure a Azure Databricks. D\u00edky \u0161k\u00e1lovatelnosti m\u016f\u017eete ka\u017ed\u00fdch 30 minut z\u00edsk\u00e1vat nov\u00e1 data. To m\u016f\u017ee b\u00fdt dostate\u010dn\u00e9 pro va\u0161e pot\u0159eby nebo naopak nedostate\u010dn\u00e9, pokud pot\u0159ebujete vizualizaci monitorov\u00e1n\u00ed v re\u00e1ln\u00e9m \u010dase. V takov\u00e9m p\u0159\u00edpad\u011b se doporu\u010duje pou\u017e\u00edvat aplikace, jako je nap\u0159\u00edklad Grafana, kterou jsem zm\u00ednil. Krom\u011b toho dokumentace Microsoft popisuje mo\u017enost odes\u00edlat metriky, logy a tabulky ud\u00e1lost\u00ed pomoc\u00ed SIEM \u2013 n\u00e1stroje do vizualiza\u010dn\u00edch syst\u00e9m\u016f, jako jsou Splunk, SumoLogic, ELK a IBM radar. <\/p>\n

23:40 min<\/p>\n

Pokra\u010dov\u00e1n\u00ed bude brzy\u2026<\/p>\n

\r\n \"P\u0159ehr\u00e1t\r\n
<\/div>\r\n <\/div><\/center><\/p>\n

Mal\u00e1 reklama \ud83d\ude42<\/h3>\n

\nD\u011bkujeme, \u017ee s n\u00e1mi z\u016fst\u00e1v\u00e1te. L\u00edb\u00ed se v\u00e1m na\u0161e \u010dl\u00e1nky? Chcete vid\u011bt v\u00edce zaj\u00edmav\u00fdch materi\u00e1l\u016f? Podpo\u0159te n\u00e1s objedn\u00e1vkou nebo doporu\u010den\u00edm zn\u00e1m\u00fdm, cloudov\u00e9 VPS pro v\u00fdvoj\u00e1\u0159e od 4,99 $<\/a><\/noindex>, unik\u00e1tn\u00ed alternativa entry-level server\u016f, kterou jsme pro v\u00e1s vymysleli:<\/b> V\u0161echny pravdy o VPS (KVM) E5-2697 v3 (6 jader) 10GB DDR4 480GB SSD 1Gbps od 19 $ nebo jak spr\u00e1vn\u011b rozd\u011blit server?<\/a><\/noindex> (k dispozici varianty s RAID1 a RAID10, a\u017e 24 jader a a\u017e 40GB DDR4).<\/p>\n

Dell R730xd je dvakr\u00e1t levn\u011bj\u0161\u00ed v datov\u00e9m centru Equinix Tier IV v Amsterdamu?<\/b> Jen u n\u00e1s 2 x Intel TetraDeca-Core Xeon 2x E5-2697v3 2.6GHz 14C 64GB DDR4 4x960GB SSD 1Gbps 100 TB od 199 $<\/a><\/noindex> v Nizozemsku! Dell R420 \u2014 2x E5-2430 2.2GHz 6C 128GB DDR3 2x960GB SSD 1Gbps 100TB \u2014 od 99 $!<\/b><\/b> \u010ct\u011bte o tom Jak postavit infrastrukturu podnikov\u00e9 t\u0159\u00eddy s pou\u017eit\u00edm server\u016f Dell R730xd E5-2650 v4 v hodnot\u011b 9000 eur za pakatel?<\/a><\/noindex>
\n
Zdroj: habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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