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Ukuqapha Ipayiphalayini Akuzange Kulibone Iphutha Lama-40% Ezibalweni Zezethameli Naphezu Kokusebenza Okungenaphutha

Ipayiphalayini yedatha lasebenza izinsuku eziyishumi nanye lingenawo amaphutha, linama-DAG aluhlaza nokulayishwa okuhlanzekile kwa-Snowflake, kodwa izibalo zalo zezethameli zaziphambuke ngo-40%.

Kungani lokhu kubalulekile

Uma amaqembu ethatha ama-DAG aluhlaza nokulayishwa okuhlanzekile kwa-Snowflake njengobufakazi bokuthi izibalo zinembile, angabela imikhankaso noma ahlole ukusebenza ngokusekelwe esilinganisweni sezethameli esiphambukile ngo-40% kuze kube ukuhlola ezingeni lebhizinisi kuthola ushintsho lwencazelo.

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Okushintshile

Ngokombiko we-VentureBeat, ipayiphalayini yedatha lasebenza izinsuku eziyi-11 lingenawo amaphutha, ama-DAG aluhlaza nokulayishwa okuhlanzekile kwa-Snowflake, kodwa lakhiqiza izibalo zezethameli ezaziphambuke ngo-40%. Ukwehluleka kwakusekuncazelweni kwedatha: ipayiphalayini lahambisa idatha ngempumelelo ngemva kokushintsha kwencazelo yomthombo, kodwa alizange liqinisekise ukuthi inombolo ewumphumela isasho into efanele.

Kungani Lokhu Kubalulekile

Ipayiphalayini elibonakala liluhlaza alisho ngaso sonke isikhathi ukuthi lingathembeka. Uma isamba sezethameli sinquma ukufinyelela komkhankaso, ukwabiwa kwesabelomali noma imigomo yokusebenza, iphutha lika-40% lingaguqula ideshibhodi ehlelekile ibe yithuluzi eliqondisa izinqumo ngendlela ebizayo nengalungile.

Okumele kushintshwe ukuphatha izincazelo zamamethrikhi nokubuyisanisa imiphumela njengezilawuli zokukhiqiza, kanye nokuhlola isimo somsebenzi. Ukulayishwa okuphumelele kukutshela ukuthi iphasela lifikile; akukutsheli ukuthi othile ushintshe ilebula lalo.

Umbono wethu (ukuqagela okunolwazi): amaqembu athembele kumamethrikhi ezethameli azofaka ukuhlola okuqhathanisa izincazelo zomthombo, izamba ezizimele nemiphumela yakwa-Snowflake. Uma lokho kuhlola kungekho, ukushintsha kwezincazelo kungaqhubeka kungena ekuhleleni nasekukaleni kuze kube umuntu ebona ukuthi izinombolo zibukeka ziphakeme noma ziphansi ngendlela engajwayelekile.

Isikhathi sokugcina lokhu kwenzeka

NgoSepthemba 2020, i-Public Health England yehluleka ukulayisha amarekhodi ayi-15,841 okuhlolwa okuqinisekise i-COVID-19 ngemva kokuba amafayela edlule usayizi omkhulu kunayo yonke eyayamukelwa uhlelo. Ukufana kwesakhiwo kuyakhathaza: indlela ezenzakalelayo yabonakala isebenza, kuyilapho abasebenzisi abangaphansi kwayo bethola idatha engaphelele noma engalungile.

Ngaleso sikhathi ubungozi babuphezulu kakhulu futhi budinga ukuphuthuma okukhulu. Ucwaningo olwenziwa kamuva lokubheka lwathola ukuthi amacala athintekile ayengena ekulandeleleni abathintene nawo cishe ezinsukwini ezintathu kamuva ngokwesilinganiso, ayenezinga eliphansi lokuqedwa kokulandelela, futhi ayehlotshaniswa nokutheleleka okuphezulu kubantu abathintene nawo okwesibili abangahlali emzini owodwa nawo, nakuba lwalungatholanga umehluko obalulekile ekulalisweni esibhedlela noma ekufeni.

Leso sigameko sikhomba ukuthi umbuzo oyinhloko awusiwo owokuthi ipayiphalayini liqedile yini, kodwa owokuthi umuntu owenza isinqumo esilandelayo uyitholile yini idatha ephelele nenencazelo. Lapha, umonakalo okungenzeka wukwabiwa kabi komzamo wokumaketha noma ukukalwa kokusebenza okudukisayo, hhayi ukubambezeleka kokungenelela kwezempilo. Isilawuli esiwusizo siyefana: landela inombolo ize ifike esinqumweni esiyilawulayo.

Indlela imiphumela engasabalala ngayo

Ingozi esheshayo ithinta amaqembu ahlela imikhankaso noma ahlulela imiphumela ngokusekelwe ezibalweni zezethameli ezithintekile. Uma isamba esingalungile sisetshenziswa ekuhlukaniseni izethameli, esabelomali noma ekulinganiseni ukufinyelela, ukuhlelwa komkhankaso kungase kuqondiswe eqenjini elingalungile njengoba kulinganisiwe.

Lokhu kungathinta namakhasimende. Lapho izibalo zilawula ukuqondiswa noma ukwabiwa, ukuxhumana kungase kungabi nalo usizo olufanele noma kungalingani kuze kube izamba ezibuyisanisiwe zithatha indawo yalezo ezinephutha. Lolu chungechunge luyaphazamiseka uma izibalo ziyiseluleko nje, noma uma ukuhlola okuzimele okusuka emthonjeni kuya emiphumeleni kubamba ukungafani ngokushesha.

Ukuhlolwa komthelela

Abaqhubi bezinkundla zedatha manje banesikhala esicacile okufanele basivale: impilo yokusebenza, isimo se-DAG nempumelelo yokulayishwa endaweni yokugcina idatha kudinga ukuhlolwa kokunemba ezingeni lebhizinisi eceleni kwakho. Emasontweni alandelayo, amathuluzi namaqembu akwazi ukubuyisanisa izincazelo zomthombo namamethrikhi endaweni yokugcina idatha azoba wusizo kakhulu.

Amaqembu ezibalo nokumaketha athwala ingozi esheshayo kakhulu ezinqumweni. Isamba esiphambukile singenza umkhankaso ubukeke wakhiwe kancane kakhulu, wakhiwe kakhulu noma uphumelele ngesizathu esingalungile. Amakhasimende athinteka kuphela uma leso samba siqhuba ukuqondiswa noma ukwabiwa kwangempela, kodwa yingakho ukuhlola komphumela osezingeni lebhizinisi kufanele kusondele enqubweni yebhizinisi.

Izimo ezingaba khona

Okungenzeka kakhulu. Uma iphutha lika-40% lilandelwa libuyele ekushintsheni kwencazelo yomthombo noma ekuguqulweni kwedatha, amaqembu azofaka ukubuyisana okusuka emthonjeni kuya emiphumeleni emasontweni azayo kuya ezinyangeni eziyi-6–12. Lena yindlela engenzeka kakhulu ngoba lesi sigameko siveza indawo eyimpumputhe eqondile, hhayi inkinga engacacile yokuthembeka. Bheka ukuqapha okuqhathanisa amamethrikhi ebhizinisi nezincazelo zomthombo nemiphumela yendawo yokugcina idatha, kuhlanganise nezaziso zokungahambelani kwezincazelo naphezu kwemisebenzi ephumelele.

Okuhle. Lapho izincazelo zamamethrikhi ezigunyaziwe zingaxhunyaniswa nezinguquko zepayiphalayini, amaqembu angase enze lezo zincazelo zibe izilawuli ezingasetshenziswa lapho kuthunyelwa izinguquko phakathi kwezinyanga eziyi-6–12. Lokho kungabamba ukushintsha kwezincazelo ngaphambi kokuqala kwemijikelezo yokuhlela, kuthuthukise ukwabiwa kwemikhankaso futhi kunciphise ukuncika ekukhishweni kwedatha okungaqinisekisiwe. Izimpawu eziqinile zingafaka izincazelo zamamethrikhi ezinezinguqulo kanye nezamba zezethameli eziqinisekisiwe ezihlolwa ngaphambi kokuhlelwa komkhankaso.

Okubi. Uma lesi sigameko silungiswa ngaphandle kwezilawuli zokuqinisekisa ukunemba kwemiphumela, ukushintsha kwezincazelo okulandelayo kungadlula ngaphandle kokubonwa kumadeshibhodi afanayo okusebenza. Emasontweni kuya ezinyangeni eziyi-12, ukulungiswa okuphindaphindiwe kungaguqula imiphumela yemikhankaso ehleliwe noma ebikiwe ngemva kokuba izinqumo sezithathiwe. Uphawu lwesexwayiso lulula: ukungafani kuyaqhubeka kutholwa ngemva kokulayishwa okuphumelele, kuyilapho ukuqapha kusagxile kuphela ekusebenzeni nasempilweni yokulayisha.

Okufanele kubhekwe ngokulandelayo

  • Ukuhlola ukubuyisana kwezibalo zezethameli kusuka emthonjeni kuya emiphumeleni, okuqhathanisa izincazelo noma izamba zebhizinisi ezizimele nemiphumela yakwa-Snowflake.
  • Ukulungiswa kwezamba zezethameli ezithintekile ngo-40% ngemva kokuba ushintsho lwencazelo seluhlonziwe.
  • Izinguquko ekwabiweni kwemikhankaso, ekuqondisweni noma ekubikeni ukusebenza lapho izibalo eziqinisekisiwe sezithatha indawo yemiphumela yangaphambili yepayiphalayini.
Sources (3)
  1. venturebeat.comMost pipeline monitoring checks if the job ran. This one didn't check if the numbers were right.
  2. gov.ukPHE statement on delayed reporting of COVID-19 cases
  3. bmjopen.bmj.comEvaluating the impact on health outcomes of an event that resulted in a delay in contact tracing of COVID-19 cases in England, September 2020: an observational study

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