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Ibhulogi Yesigaba

Kusukela ku-High Ceph Latency kuya ku-Kernel Patch usebenzisa i-eBPF/BCC

Kushicilelwe ku

I-Linux inenani elikhulu lamathuluzi okulungisa iphutha le-kernel nezinhlelo zokusebenza. Iningi lazo linomthelela omubi ekusebenzeni kohlelo lokusebenza futhi azikwazi ukusetshenziswa ekukhiqizeni. Eminyakeni embalwa edlule, kwasungulwa elinye ithuluzi - i-eBPF. Kwenza kube nokwenzeka ukulandelela i-kernel nezinhlelo zokusebenza zomsebenzisi nge-overhead ephansi futhi ngaphandle kwesidingo sokwakha kabusha izinhlelo nokulanda inkampani yangaphandle […]

Uyilungiselela kanjani iwebhusayithi yemithwalo esindayo: Amathiphu angu-5 asebenzayo namathuluzi awusizo

Kushicilelwe ku

Abasebenzisi abayithandi ngempela uma insiza eku-inthanethi abayidingayo ihamba kancane. Idatha yocwaningo iphakamisa ukuthi abasebenzisi abangu-57% bazoshiya ikhasi lewebhu uma kuthatha isikhathi esingaphezu kwamasekhondi amathathu ukulayisha, kanti u-47% uzimisele ukulinda imizuzwana emibili kuphela. Ukubambezeleka kwesekhondi elilodwa kungabiza u-7% ekuguquleni kanye no-16% ekwanelisekeni okuncishisiwe komsebenzisi. Ngakho-ke, udinga ukulungiselela ukwanda komthwalo kanye nokwanda kwethrafikhi. […]

Ingqondo eyisiphukuphuku, imizwa efihliwe, ama-algorithms akhohlisayo: ukuvela kokuqashelwa kobuso

Kushicilelwe ku

Abantu baseGibhithe lasendulo babazi okuningi nge-vivisection futhi babekwazi ukuhlukanisa isibindi nezinso ngokuthinta. Ngokufaka ama-mummies kusukela ekuseni kuze kube kusihlwa futhi wenze ukuphulukisa (kusuka e-trephination kuya ekususeni izimila), nakanjani uzofunda ukuqonda i-anatomy. Ingcebo yemininingwane ye-anatomical yayingaphezu kokuphazanyiswa ukudideka ekuqondeni ukusebenza kwezitho. Abapristi, odokotela nabantu abavamile babeka ingqondo ngesibindi enhliziyweni, futhi [...]

Ushintsho olusuka ku-monolith luye kuma-microservices: umlando nokusebenza

Kushicilelwe ku

Kulesi sihloko, ngizokhuluma ngokuthi iphrojekthi engisebenza kuyo iguqulwe kanjani isuka ku-monolith enkulu yaba isethi yama-microservices. Le phrojekthi yaqala umlando wayo kudala impela, ekuqaleni kuka-2000. Izinguqulo zokuqala zabhalwa nge-Visual Basic 6. Ngokuhamba kwesikhathi, kwacaca ukuthi ukuthuthukiswa kwalolu limi esikhathini esizayo kuzoba nzima ukusekela, ngoba i-IDE […]

Igciwane le-Lurk lagqekeza amabhange ngenkathi libhalwa abasebenzi abajwayelekile abakude ukuze liqashwe

Kushicilelwe ku

Kucashunwe encwadini ethi “Invasion. Umlando omfushane wabaduni baseRussia" NgoMeyi walo nyaka, indlu yokushicilela i-Individum yashicilela incwadi yentatheli uDaniil Turovsky, "Invasion. Umlando omfushane wabaduni baseRussia." Iqukethe izindaba ezivela ohlangothini olumnyama lwemboni ye-IT yaseRussia - mayelana nabafana, abaye bathanda amakhompiyutha, bafunda hhayi nje ukuhlela, kodwa ukuphanga abantu. Incwadi ithuthukisa, njengesenzakalo ngokwaso, kusukela [...]

Umbiko we-Habr postmortem: uwele ephephandabeni

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Ukuphela kokuqala nokuqala kwenyanga yesibili yehlobo lika-2019 kwaba nzima futhi kumakwe ngamaconsi amakhulu amaningana ezinsizakalweni ze-IT zomhlaba wonke. Kwabaphawuleka kakhulu: izigameko ezimbili ezibucayi kwingqalasizinda ye-CloudFlare (esokuqala - sinezandla ezigwegwile nesimo sengqondo sokudebeselela i-BGP engxenyeni yama-ISP athile avela e-USA; okwesibili - ngokusatshalaliswa okuyisigwegwe kwe-CF uqobo, ethinte wonke umuntu osebenzisa i-CF , […]

Isikole sabahleli bezinhlelo i-hh.ru sivula ukuqashwa kochwepheshe be-IT okweshumi

Kushicilelwe ku

Sanibonani nonke! Ihlobo akulona nje isikhathi samaholide, amaholide kanye nezinye izinto ezinhle, kodwa futhi isikhathi sokucabanga ngokuqeqeshwa. Mayelana nokuqeqeshwa okuzokufundisa izilimi zokuhlela ezidume kakhulu, "pompa" amakhono akho, ukucwilisa ekuxazululeni amaphrojekthi webhizinisi langempela, futhi, yiqiniso, ukukunikeza isiqalo somsebenzi ophumelelayo. Yebo, ukuqonde kahle konke - sizokhuluma ngeSikole sethu [...]

Kusukela ekukhipheni imali mboleko kuya ekubuyiseleni emuva: indlela yokushintsha umsebenzi wakho ku-28 futhi uthuthele eSt. Petersburg ngaphandle kokushintsha umqashi

Kushicilelwe ku

Namuhla sishicilela i-athikili yomfundi we-GeekBrains u-SergeySolovyov, lapho abelana khona ngolwazi lwakhe noshintsho olukhulu lomsebenzi - kusukela kuchwepheshe wezikweletu kuya kunjiniyela we-backend. Iphuzu elithakazelisayo kule ndaba ukuthi uSergei washintsha okukhethekile, kodwa hhayi inhlangano yakhe - umsebenzi wakhe waqala futhi uyaqhubeka e-Home Credit and Finance Bank. Kwaqala kanjani konke Ngaphambi kokuthuthela ku-IT [...]

Ukusabalalisa kwe-Mageia 7 kukhululiwe

Kushicilelwe ku

Eminyakeni engaphansi kwe-2 ngemuva kokukhululwa kwenguqulo yesi-6 yokusabalalisa kwe-Mageia, ukukhululwa kwenguqulo yesi-7 yokusabalalisa kwenzeka. Enguqulweni entsha: i-kernel 5.1.14 rpm 4.14.2 dnf 4.2.6 Mesa 19.1 Plasma 5.15.4 GNOME 3.32 Xfce 4.14pre Firefox 67 Chromium 73 LibreOffice 6.2.3 GCC 8.3.1 namapheshana amaningi. Umthombo: linux.org.ru

Futhi iNkosi yayala: “Yiba nengxoxo futhi wamukele okunikezwayo”

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Indaba eyiqiniso esekelwe ezenzakalweni eziqanjiwe. Konke ukuqondana akukona ngengozi. Wonke amahlaya awahlekisi. - Sergey, sawubona. Igama lami ngingu-Bibi, engisebenza naye u-Bob futhi sibabili... abaholi beqembu, sesinesikhathi eside sikuphrojekthi, sazi zonke izinto ngekhanda futhi namuhla sizoxhumana ngolwazi namakhono akho. Kubhalwe ku-CV yakho ukuthi ungumuntu ophakeme, [...]

Ukukhishwa kwe-Debian 10 "Buster".

Kushicilelwe ku

Amalungu omphakathi we-Debian ayajabula ukumemezela ukukhishwa kokukhishwa okuzinzile okulandelayo kohlelo lokusebenza lwe-Debian 10, i-codename buster. Lokhu kukhishwa kufaka phakathi amaphakheji angaphezu kuka-57703 ahlanganiswe ezakhiweni zeprosesa ezilandelayo: 32-bit PC (i386) kanye ne-64-bit PC (amd64) 64-bit ARM (arm64) ARM EABI (armel) ARMv7 (EABI hard-float ABI, armhf ) I-MIPS (ama-mips (endian enkulu […]

Ungayenza Kanjani Imfundo Yesayensi Yekhompyutha

Kushicilelwe ku

Iningi labahleli bezinhlelo zesimanje bathole imfundo yabo emanyuvesi. Ngokuhamba kwesikhathi, lokhu kuzoshintsha, kodwa manje izinto sezinje kangangokuthi abasebenzi abalungile ezinkampanini ze-IT basaphuma emanyuvesi. Kulokhu okuthunyelwe, uStanislav Protasov, uMqondisi we-Acronis we-University Relations, ukhuluma ngombono wakhe wezici zokuqeqeshwa kwenyuvesi kwabahleli bezinhlelo bakusasa. Othisha, abafundi kanye nalabo ababaqashayo bangase […]

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