topic: Gudanarwa

werf - kayan aikin mu na CI / CD a cikin Kubernetes (bayyani da rahoton bidiyo)

A ranar 27 ga Mayu, a cikin babban zauren taron DevOpsConf 2019, wanda aka gudanar a matsayin wani ɓangare na bikin RIT ++ 2019, a matsayin wani ɓangare na sashin "Bayar da Ci gaba", an ba da rahoton "werf - kayan aikin mu na CI / CD a Kubernetes". Yana magana game da matsaloli da ƙalubalen da kowa ke fuskanta lokacin tura Kubernetes, da kuma nuances waɗanda ba za a iya gani nan da nan ba. […]

Yadda muka gwada ma'auni na jerin lokuta da yawa

A cikin 'yan shekarun da suka gabata, jerin bayanan lokaci-lokaci sun juya daga wani abu mai ban mamaki (ƙwararrun da aka yi amfani da su ko dai a cikin tsarin kulawa na budewa (kuma an ɗaure su da takamaiman mafita) ko a cikin Babban Ayyukan Data) zuwa "samfurin mabukaci". A cikin ƙasa na Tarayyar Rasha, dole ne a ba da godiya ta musamman ga Yandex da ClickHouse don wannan. Har zuwa wannan batu, idan kuna buƙatar ajiyewa […]

Maganganun Delta don birane masu wayo: Shin kun taɓa mamakin yadda koren gidan wasan kwaikwayo zai iya zama?

A baje kolin COMPUTEX 2019, wanda aka gudanar a farkon lokacin rani, Delta ya nuna fim ɗin "kore" na musamman na 8K, da kuma adadin mafita na IoT da aka tsara don zamani, biranen abokantaka. A cikin wannan sakon muna magana dalla-dalla game da sabbin abubuwa daban-daban, gami da tsarin caji mai wayo don motocin lantarki. A yau, kowane kamfani yana ƙoƙari don haɓaka ƙarin abokantaka na muhalli da ayyukan ci gaba, yana tallafawa yanayin ƙirƙirar Smart […]

Tarihin matsalar ƙaura ta docker (tushen docker)

Ba fiye da 'yan kwanaki da suka gabata ba, an yanke shawarar akan ɗaya daga cikin sabobin don matsar da ma'ajin docker (littafin da Docker ke adana duk akwati da fayilolin hoto) zuwa wani yanki na daban, wanda ke da iko mafi girma. Aikin ya yi kama da maras muhimmanci kuma bai annabta matsala ba... Bari mu fara: 1. Dakatar da kashe duk kwantena na aikace-aikacen mu: docker-compose down idan akwai kwantena da yawa kuma suna […]

Bambanci tsakanin bin, sbin, usr/bin, usr/sbin

A kan Nuwamba 30, 2010, David Collier ya rubuta: Na lura cewa a cikin busybox an raba hanyoyin zuwa waɗannan kundayen adireshi huɗu. Shin akwai wata ƙa'ida mai sauƙi don ƙayyade a cikin wace directory ɗin wace hanyar haɗin yanar gizo ya kamata a kasance... Misali, kashe yana cikin / bin, kuma killall yana cikin /usr/bin... Ban ga wata dabara ba a cikin wannan rukunin. Ka, […]

Wani ra'ayi akan bambanci tsakanin bin, sbin, usr/bin, usr/sbin

Kwanan nan na gano wannan labarin: Bambanci tsakanin bin, sbin, usr/bin, usr/sbin. Ina so in raba ra'ayi na akan ma'auni. /bin Ya ƙunshi umarni waɗanda masu sarrafa tsarin da masu amfani za su iya amfani da su, amma waɗanda suke da mahimmanci lokacin da ba a ɗora wasu tsarin fayil ba (misali, a yanayin mai amfani ɗaya). Hakanan yana iya ƙunsar umarni waɗanda ake amfani da su a kaikaice ta hanyar rubutun. Akwai […]

Yadda Dark ke tura lamba a cikin 50ms

Da sauri tsarin ci gaba, da sauri kamfanin fasahar ke girma. Abin takaici, aikace-aikacen zamani suna aiki da mu - dole ne a sabunta tsarin mu a ainihin lokacin ba tare da damun kowa ba ko haifar da raguwa ko katsewa. Aiwatar da irin waɗannan tsarin yana zama ƙalubale kuma yana buƙatar hadaddun bututun isar da saƙo ko da ga ƙananan ƙungiyoyi. […]

Haɓaka tambayoyin bayanai akan misalin sabis na B2B don magina

Yadda za a girma sau 10 adadin tambayoyin zuwa bayanan bayanai ba tare da matsawa zuwa uwar garken da ya fi dacewa ba kuma kula da aikin tsarin? Zan gaya muku yadda muka magance tabarbarewar ayyukan bayanan mu, yadda muka inganta tambayoyin SQL don yin hidima ga masu amfani da yawa gwargwadon yuwuwar ba ƙara farashin kayan aikin kwamfuta ba. Ina yin sabis don sarrafa hanyoyin kasuwanci [...]

Bita na kayan aikin kyauta SQLIndexManager

Kamar yadda ka sani, fihirisa suna taka muhimmiyar rawa a cikin DBMS, suna ba da saurin bincike ga bayanan da ake buƙata. Shi ya sa yana da mahimmanci a yi musu hidima a kan lokaci. An rubuta abubuwa da yawa game da bincike da ingantawa, gami da kan Intanet. Misali, kwanan nan an sake duba wannan batu a cikin wannan ɗaba'ar. Akwai da yawa biya da kuma free mafita ga wannan. Misali, akwai […]

Yadda manyan abubuwan da ke cikin Kubernetes suka haifar da raguwa a Grafana Labs

Lura trans.: Mun gabatar da hankalin ku cikakkun bayanai na fasaha game da dalilan da suka haifar da raguwar kwanan nan a cikin sabis na girgije wanda masu kirkiro na Grafana ke kula da su. Wannan misali ne na yau da kullun na yadda sabon fasalin da alama yana da matukar amfani da aka tsara don haɓaka ingancin abubuwan more rayuwa… na iya haifar da lahani idan ba ku samar da yawancin nuances na aikace-aikacen sa a cikin haƙiƙanin samarwa ba. Yana da kyau lokacin da kayan irin wannan ya bayyana wanda ke ba ka damar koyo ba kawai [...]

Littafin "Linux in Action"

Sannu, mazauna Khabro! A cikin littafin, David Clinton ya kwatanta ayyuka na rayuwa guda 12, gami da sarrafa sarrafa tsarin ajiyar ku da tsarin dawo da ku, kafa girgijen fayil ɗin nau'in Dropbox, da ƙirƙirar sabar MediaWiki na ku. Za ku binciko ƙirƙira, dawo da bala'i, tsaro, wariyar ajiya, DevOps, da kuma magance matsalar tsarin ta hanyar nazarin yanayin ban sha'awa. Kowane babi ya ƙare da bayyani na shawarwari masu amfani […]

Kekunan sabis. Matsayi mai mahimmanci game da aiki mai tsanani

Ana samun injiniyoyin sabis a tashoshin gas da tashoshin sararin samaniya, a cikin kamfanonin IT da masana'antar mota, a VAZ da Space X, a cikin ƙananan kamfanoni da ƙwararrun ƙasashen duniya. Kuma shi ke nan, dukkansu sun taɓa jin saƙon gargajiya game da “shi da kansa”, “Na naɗe shi da tef ɗin lantarki kuma ya yi aiki, sa’an nan kuma ya ci gaba,” “Ban taɓa wani abu ba”, “Na shakka bai canza ba” kuma […]