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Mun de ye n ka Go contexte cancel?

Kow fɔcogo

16 min read Via rednafi.com

Mewayz Team

Editorial Team

Hacker News

daminɛ : taamasiyɛn yebali min b' i ka taama kɛcogo jɔ

Go porogaramuw kɛli ɲɔgɔn fɛ diɲɛ kɔnɔ , context.Context ye mankanko ɲɛnabɔbaga ye . O ye fɛɛrɛ ye i bɛ min kɛ walasa k’i ka baarakɛtaw ɲɛnamaya kɛcogo ɲɛnabɔ, kɛrɛnkɛrɛnnenya la minnu bɛ boli goroutines kɔnɔ. Nka mun bɛ kɛ ni nin ɲɛmɔgɔ in y’a latigɛ ko a ka jɔ waati sera? Ko kɛrɛnkɛrɛnnen minnu bɛ kɛ sababu ye ka sigida tiɲɛni daminɛ, olu faamuyali nafa ka bon kosɛbɛ walasa ka baarakɛminɛn barikamaw jɔ, minnu bɛ jaabi di, ani minnu bɛ nafolo sɔrɔ. I n’a fɔ jagokɛyɔrɔ min bɛ ɲɛnabɔ ka ɲɛ, o bɛ kumaɲɔgɔnya jɛlen de wajibiya walasa ka porozew jɔ cogo min na, i ka Go porogaramuw ka kan k’a dɔn tigitigi fɛn min bɛ se ka sigida dɔ tiɲɛ. I mana kɛ microservices architecture dɔ jɔli ye wo, walima data pipeline gɛlɛn dɔ jɔli ye wo, n’i ye nin hakilina in minɛ, o bɛ nafolomafɛnw bɔli bali ani k’a to i ka sistɛmuw bɛ se ka tiɲɛniw ɲɛnabɔ ni nɛɛma ye—o ye sariyakolo ye min bɛ bɛn kosɛbɛ ni plateformes i n’a fɔ Mewayz ka modular ani controllable cogoya ye.

Kɛnɛya jɛlen : n' i bɛ kuntigiya la

Kontex dɔ bɛ tiɲɛ cogo min na , o ye weleli jɛlen ye ka taa ban baarakɛyɔrɔ dɔ la . O bɛ Kɛ ni context.WithCancel ye. N’i ​​ye contexte (kofɔlen) dɔ Dabɔ o cogo la, i bɛ baarakɛcogo dɔ Sɔrɔ min kun kelenpe ye ka taamaʃyɛn Di ko a bɛ Ban. Nin baara in weleli, hali siɲɛ kelen dɔrɔn, o bɛ sigida ka Done kan sigi o yɔrɔnin bɛɛ ani ka Err cikan fa. O bɛ bɛn poroze ɲɛmɔgɔ dɔ ma min bɛ desizɔn jɛlen ta, k’a laɲini ka baara dɔ jɔ. A dafalen don ko kɛlenw na, baarakɛla ka wale dɔ (i n’a fɔ ka butɔni "dabila" digi) walima kɔnɔna fili cogoya dɔ bɛ a ɲini ka jiginɛ baara bɛɛ jɔ joona.

waati dantigɛli : boli ka ɲɛsin waati ma

Waati ye fɛnba ye bi porogaramuw kɔnɔ . Baara minnu bɛ waati jan ta, olu bɛ se ka kɛ sababu ye ka sigida bɛɛ buteli. O yɔrɔ de la context.WithTimeout ani context.WithDeadline bɛ na baara la. O baarakɛcogo ninnu bɛ sigida dɔ Dabɔ min bɛ a yɛrɛ Dabɔ a yɛrɛma waati latigɛlen kɔfɛ walima waati kɛrɛnkɛrɛnnen dɔ la. O nafa ka bon kosɛbɛ baarakɛda hakɛ bɛnkanw (SLA) waleyali la, ka ɲinini dulonnenw bali ɛntɛrinɛti baarakɛminɛnw kɔnɔ, ani k’a lajɛ ko taabolo dɔ tɛ nafolo tiɲɛ waati dafalen na. Jago OS modulari kɔnɔ i n’a fɔ Mewayz, yɔrɔ min na baarakɛminɛnw ni kunnafonidilanw danfaralenw ka kan ka baara kɛ ɲɔgɔn fɛ cogo la min bɛ se ka fɔ ka ɲɛ, baara kɛli ni waatibolodalenw ye, o b’a to modulu sumayalen tɛ na ni sistɛmu bɛɛ ye ka jɔ.

Kasɛti kansɛri : Ripuli nɔ

koɲɛnabɔli fanga dɔ ye u ka se ka sigikafɔ kɛ . Contexte derivée bɛ a bangebaga ka cancellation properties ciyɛn ta. Ni bangebaga ka ko kɛlen dɔ tiɲɛna, kɔnɔko bɛɛ minnu bɛ bɔ a la, olu fana bɛ tiɲɛ u yɛrɛma. O bɛ kɛ sababu ye ka nɔ bila, ka baarakɛcogo jiri bɛɛ datugu ka ɲɛ ni taamasiyɛn kelen ye. Miiri k’a filɛ ɲininiw kɛcogo kunba dɔ bɛ ɛntɛrinɛti baarakɛyɔrɔ dɔ kɔnɔ; ni kiliyan ye ɲɔgɔndan tigɛ, ka sigida kunba tiɲɛ, kunnafonidilan ɲininkaliw bɛɛ, API weleli, ani kɔkanna taabolo minnu bɛ tali kɛ o ɲinini na, olu bɛ se ka saniya o yɔrɔnin bɛɛ. o b' i ka baarakɛminɛn bali ka baara kunntanw kɛ wa a jɔyɔrɔ ka bon kosɛbɛ sigida sɛgɛsɛgɛli la .

Kun minnu bɛ kɛ tuma caman na ko contexte dɔ bɛ ban

Walisa ka ɲɔgɔn sabati, fɛn dɔw filɛ nin ye minnu bɛna kɛ sababu ye ka sigida dɔ ka Done kan sigi, ka waati taamasiyɛn di ka pakew labɛn.

  • Manual Cancellation : Cancellation baarakɛcogo min bɛ segin context.WithCancel fɛ, o bɛ wele.
  • Waati tɛmɛnen sera : waati min kofɔlen don context.WithTimeout kɔnɔ, o bɛ tɛmɛ.
  • Waati tɛmɛna : waati min fɔra context.WithDeadline kɔnɔ, o bɛ tɛmɛ.
  • Bangebagaw ka tiɲɛni : bangebagaw ka sigida min bɛ sigiyɔrɔma kɔnɔ , o bɛ ban , o bɛ jɛnsɛn a denw bɛɛ ma .
ye

"Context cancellation in Go tɛ dan fɛɛrɛko fɛɛrɛ dɔrɔn ma; a ye filozofi ye min ye ka kode concurrent saniyalen, kunkanbaaraw, ani jɛ-ka-baara sɛbɛnni kɛ. A bɛ baarakɛlaw wajibiya ka miiri u ka taabolo ɲɛnamaya taabolo la kabini a daminɛ na, o bɛ na ni sistɛmuw ye minnu ɲɛnabɔli ka nɔgɔn ani minnu bɛ se ka muɲu doni kɔrɔ. Nin hakilina in min ye taabolo dancɛ jɛlenw ye ani labanko kɔrɔsilen ye, o de ye tigitigi an bɛ min ɲɛmɔgɔ in the Mewayz modular business OS, yɔrɔ min na daminɛ saniyalenw ni jɔli ye fɛnba ye walasa ka sigikafɔ sabati sigida gɛlɛn kɔnɔ."

ye

Kunnafoni : Jaabi-siraw jɔli ni taamasiyɛn jɛlenw ye

K’a dɔn fɛn min bɛ Go contexte dɔ tiɲɛ, o bɛ fanga di i ma ka application sɛbɛn minnu tɛ kɛ ɲɔgɔn fɛ dɔrɔn, nka minnu bɛ jateminɛ kɛ fana. Ni i ye baara kɛ ni cancellation explicite, timeouts, ani cascading nature of contexts ye, i bɛ se k’a lajɛ ko i ka porogaramuw bɛ baara kɛ ka ɲɛ, ka jaabi di, ani ka kɛ ni nafolomafɛnw bɔli ye. O kɔrɔsili hakɛ in nafa ka bon hali n’i bɛ baara nɔgɔman dɔ ɲɛnabɔ walima n’i bɛ microservices (microservices) kulu gɛlɛn dɔ labɛn. Plateformes minnu dabɔra jɛya ni kɔrɔsili kama, i n’a fɔ Mewayz, olu bɛ nafa caman sɔrɔ o fɛɛrɛ in na, bawo a bɛ sariyakolo jɔnjɔn jira, n’o ye ka jago siratigɛw jɔ minnu bɛ se ka kɛ modulu ye, minnu bɛ se ka ɲɛnabɔ, ani minnu bɛ se ka fɔ ka ɲɛ, yɔrɔ minnu na taabolo bɛɛ daminɛ ɲɛfɔlen don ani laban saniyalen don.

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Ɲininkali minnu bɛ kɛ tuma caman na

daminɛ : taamasiyɛn yebali min b' i ka taama kɛcogo jɔ

Go porogaramuw kɛli ɲɔgɔn fɛ diɲɛ kɔnɔ, contexte.Context ye silent coordinator ye. O ye fɛɛrɛ ye i bɛ min kɛ walasa k’i ka baarakɛtaw ɲɛnamaya kɛcogo ɲɛnabɔ, kɛrɛnkɛrɛnnenya la minnu bɛ boli goroutines kɔnɔ. Nka mun bɛ kɛ ni nin ɲɛmɔgɔ in y’a latigɛ ko a ka jɔ waati sera? Ko kɛrɛnkɛrɛnnen minnu bɛ kɛ sababu ye ka sigida tiɲɛni daminɛ, olu faamuyali nafa ka bon kosɛbɛ walasa ka baarakɛminɛn barikamaw jɔ, minnu bɛ jaabi di, ani minnu bɛ nafolo sɔrɔ. I n’a fɔ jagokɛyɔrɔ min bɛ ɲɛnabɔ ka ɲɛ, o bɛ kumaɲɔgɔnya jɛlen de wajibiya walasa ka porozew jɔ cogo min na, i ka Go porogaramuw ka kan k’a dɔn tigitigi fɛn min bɛ se ka sigida dɔ tiɲɛ. I mana kɛ microservices architecture dɔ jɔli ye wo, walima data pipeline gɛlɛn dɔ jɔli ye wo, n’i ye nin hakilina in minɛ, o bɛ nafolomafɛnw bɔli bali ani k’a to i ka sistɛmuw bɛ se ka tiɲɛniw ɲɛnabɔ ni nɛɛma ye—o ye sariyakolo ye min bɛ bɛn kosɛbɛ ni plateformes i n’a fɔ Mewayz ka modular ani controllable cogoya ye.

Cancel explicite : n' i bɛ kuntigiya la

Kontex dɔ bɛ tiɲɛ cogo min na , o ye weleli jɛlen ye ka taa ban baarakɛyɔrɔ dɔ la . O bɛ Sɔrɔ ni context.WithCancel ye. N’i ​​ye contexte (kofɔlen) dɔ Dabɔ o cogo la, i bɛ baarakɛcogo dɔ Sɔrɔ min kun kelenpe ye ka taamaʃyɛn Di ko a bɛ Ban. O baara in weleli, hali siɲɛ kelen dɔrɔn, o bɛ o yɔrɔnin bɛɛ la, o yɔrɔnin bɛɛ ka Done kanal sigi sen kan ani ka Err cikan fa. O bɛ bɛn poroze ɲɛmɔgɔ dɔ ma min bɛ desizɔn jɛlen ta, k’a laɲini ka baara dɔ jɔ. A dafalen don ko kɛlenw na, baarakɛla ka wale dɔ (i n’a fɔ ka butɔni "dabila" digi) walima kɔnɔna fili cogoya dɔ bɛ a ɲini ka jiginɛ baara bɛɛ jɔ joona.

waati dantigɛli : boli ka ɲɛsin waati ma

Waati ye fɛnba ye bi porogaramuw kɔnɔ . Baara minnu bɛ waati jan ta, olu bɛ se ka kɛ sababu ye ka sigida bɛɛ buteli. Nin yɔrɔ in de la context.WithTimeout ani context.WithDeadline bɛ na baara la. O baarakɛcogo ninnu bɛ sigida dɔ Dabɔ min bɛ a yɛrɛ Dabɔ a yɛrɛma waati latigɛlen kɔfɛ walima waati kɛrɛnkɛrɛnnen dɔ la. O nafa ka bon kosɛbɛ baarakɛda hakɛ bɛnkanw (SLA) waleyali la, ka ɲinini dulonnenw bali ɛntɛrinɛti baarakɛminɛnw kɔnɔ, ani k’a lajɛ ko taabolo dɔ tɛ nafolo tiɲɛ waati dafalen na. Jago OS modulari kɔnɔ i n’a fɔ Mewayz, yɔrɔ min na baarakɛminɛnw ni kunnafonidilanw danfaralenw ka kan ka baara kɛ ɲɔgɔn fɛ cogo la min bɛ se ka fɔ ka ɲɛ, baara kɛli ni waatibolodalenw ye, o b’a to modulu sumayalen tɛ na ni sistɛmu bɛɛ ye ka jɔ.

Kasɛti kansɛri : Ripuli nɔ

koɲɛnabɔli fanga dɔ ye u ka se ka sigikafɔ kɛ . Contexte derivée bɛ a bangebaga ka cancellation properties ciyɛn ta. Ni bangebaga ka ko kɛlen dɔ tiɲɛna, kɔnɔko bɛɛ minnu bɛ bɔ a la, olu fana bɛ tiɲɛ u yɛrɛma. O bɛ kɛ sababu ye ka nɔ bila, ka baarakɛcogo jiri bɛɛ datugu ka ɲɛ ni taamasiyɛn kelen ye. Miiri k’a filɛ ɲininiw kɛcogo kunba dɔ bɛ ɛntɛrinɛti baarakɛyɔrɔ dɔ kɔnɔ; ni kiliyan ye ɲɔgɔndan tigɛ, ka sigida kunba tiɲɛ, kunnafonidilan ɲininkaliw bɛɛ, API weleli, ani kɔkanna taabolo minnu bɛ tali kɛ o ɲinini na, olu bɛ se ka saniya o yɔrɔnin bɛɛ. O b’i ka baarakɛminɛn bali ka baara kunntanw kɛ, wa o ye ko jɔnjɔn ye walasa ka sistɛmuw jɔ minnu bɛ se ka sɛgɛsɛgɛ. Kun minnu bɛ sɔrɔ tuma caman na ko contexte dɔ bɛ ban Walasa ka ɲɔgɔn sabati, fɛn dɔw filɛ nin ye minnu bɛna kɛ sababu ye ka contexte dɔ ka Done channel sigi, ka waati jira ka pack up.

Kunnafoni : Jaabi-siraw jɔli ni taamasiyɛn jɛlenw ye

K’a dɔn fɛn min bɛ Go contexte dɔ tiɲɛ, o bɛ fanga di i ma ka application sɛbɛn minnu tɛ kɛ ɲɔgɔn fɛ dɔrɔn, nka minnu bɛ jateminɛ kɛ fana. Ni i ye baara kɛ ni cancellation explicite, timeouts, ani cascading nature of contexts ye, i bɛ se k’a lajɛ ko i ka porogaramuw bɛ baara kɛ ka ɲɛ, ka jaabi di, ani ka kɛ ni nafolomafɛnw bɔli ye. O kɔrɔsili hakɛ in nafa ka bon hali n’i bɛ baara nɔgɔman dɔ ɲɛnabɔ walima n’i bɛ microservices (microservices) kulu gɛlɛn dɔ labɛn. Plateformes minnu dabɔra jɛya ni kɔrɔsili kama, i n’a fɔ Mewayz, olu bɛ nafa caman sɔrɔ o fɛɛrɛ in na, bawo a bɛ sariyakolo jɔnjɔn jira, n’o ye ka jago siratigɛw jɔ minnu bɛ se ka kɛ modulu ye, minnu bɛ se ka ɲɛnabɔ, ani minnu bɛ se ka fɔ ka ɲɛ, yɔrɔ minnu na taabolo bɛɛ daminɛ ɲɛfɔlen don ani laban saniyalen don.

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