TGINSIGHT SIMILAR POSTS
Изворен канал @pythonotes · Post #269 · 7 јул.
Возможно, стоит пояснить разницу между синхронизацией из thread/process-safe и синхронизацией с помощью Lock🤔 Наша задача — заставить разные процессы и потоки обращаться к базе данных (или любым другим ресурсам) последовательно. Чтобы не случилось так называемого race condition, то есть состояние гонки. Это когда разные потоки или процессы пытаются одновременно что-то сделать с одним и тем же ресурсом. В этом случае нам нужна какая-то логика ограничения. Пока один процесс не завершил своё действие, другие не могут получить доступ к ресурсу. Так вот, thread-safe и process-safe означает что отдельно взятые операции записи в БД гарантированно будут последовательны. Запросы из разных процессов или потоков выстроятся в очередь и не будут мешать друг другу. Лучше всего когда этот блок реализован на уровне БД в виде атомарных операций или ещё как-то. Но зачем нам тогда еще дополнительный Lock? Этот способ синхронизации используется когда процесс никак не укладывается в одно действие и должен сделать множество операций прежде чем дать доступ следующему. В этом случае процесс ставит некий глобальный Lock на ресурс и никто другой, даже получив законное право на доступ, не может ничего сделать. Все ждут пока этот Lock не будет снят. Это решается на уровне приложения и правильность реализации полностью в вашей ответственности. Например, если забыли разблокировать или сделали перекрёстный Lock (Deadlock как на картинке), то всё зависнет в бесконечном ожидании. #basic
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Пребарај: #dogshow
@dogdata · Post #4354 · 10.11.2023 г., 08:09
Fabric Puppy Pens Dog show prices 60cm height 59 Euro 90cm height 75 Euro 105cm height 89 Euro Web3 Webshop https://kennel.ai DogShow Calendar https://kennel.ai/dog-shows #fabricpuppypen#dogdata#dogbreeder#pettravel#dogshow
@dogdata · Post #4327 · 28.10.2023 г., 07:26
Fabric Puppy Pens Dog show prices 60cm height 59 Euro 90cm height 75 Euro 105cm height 89 Euro Web3 Webshop https://kennel.ai DogShow Calendar https://kennel.ai/dog-shows #fabricpuppypen#dogdata#dogbreeder#pettravel#dogshow
@dogdata · Post #4253 · 13.08.2023 г., 08:02
On stock … Highest quality , the original Heat resistant Dog Show Tent Size is 3m x 3m Easy up just 20 seconds The Dog Show tents are Waterproof and have mosquito 🦟 lining … On the warmest of days the tent inside is cool due to the Silver UV reflective material built into every side 4 Doors , with colour choice of Purple, Orange , Blue , Grey or Green Cost is 350€ including delivery Product weight 8kg Also home delivery and payment to the driver is possible for some European countries … https://kennel.ai/shop Contact us for more information … #Dogs#DogShow#DogShowTent#InstantTent#HeatResistant
@dogdata · Post #4317 · 18.10.2023 г., 08:24
What's your Mood today?🐾 Kennel.ai Dog Product Shop 🐾 Cosmetics. Dryer. Grooming Table. Vehicle Ramps. Running Machines. Strollers. Feeding Bowls. Dog Show Trolley. Baths. Dog Show Tent. Whelping Boxes. Agility equipment, and so much more.... 𝔻𝕠𝕘 🐶 ℙ𝕣𝕠𝕕𝕦𝕔𝕥𝕤 𝕊𝕙𝕠𝕡 🐶 Pet Dog Shop ®️ Register Your Pet Dog Ownership On Blockchain 🛍 Check Dogs for Sale Near You Or Advertise Puppies For Free #dogs#petdog#dogbreeder#kennelclub#blockchain#Ai#decentralised#dogs#petstroller#doglover#dog#dogslife#dogsofinstagram#dogshow#dogbreeder
@dogdata · Post #4295 · 01.09.2023 г., 07:23
Happy New Month 🎉🐾 Kennel.ai Dog Product Shop 🐾 Cosmetics. Dryer. Grooming Table. Vehicle Ramps. Running Machines. Strollers. Feeding Bowls. Dog Show Trolley. Baths. Dog Show Tent. Whelping Boxes. Agility equipment, and so much more.... 𝔻𝕠𝕘 🐶 ℙ𝕣𝕠𝕕𝕦𝕔𝕥𝕤 𝕊𝕙𝕠𝕡 🐶 Pet Dog Shop ®️ Register Your Pet Dog Ownership On Blockchain 🛍 Check Dogs for Sale Near You Or Advertise Puppies For Free #dogs#petdog#dogbreeder#kennelclub#blockchain#Ai#decentralised#dogs#petstroller#doglover#dog#dogslife#dogsofinstagram#dogshow#dogbreeder
@dogdata · Post #4294 · 29.08.2023 г., 12:04
What's your Mood today?🐾 Kennel.ai Dog Product Shop 🐾 Cosmetics. Dryer. Grooming Table. Vehicle Ramps. Running Machines. Strollers. Feeding Bowls. Dog Show Trolley. Baths. Dog Show Tent. Whelping Boxes. Agility equipment, and so much more.... 𝔻𝕠𝕘 🐶 ℙ𝕣𝕠𝕕𝕦𝕔𝕥𝕤 𝕊𝕙𝕠𝕡 🐶 Pet Dog Shop ®️ Register Your Pet Dog Ownership On Blockchain 🛍 Check Dogs for Sale Near You Or Advertise Puppies For Free #dogs#petdog#dogbreeder#kennelclub#blockchain#Ai#decentralised#dogs#petstroller#doglover#dog#dogslife#dogsofinstagram#dogshow#dogbreeder
@dogdata · Post #4301 · 12.09.2023 г., 07:00
Keep your fur babies entertained with our Solitaire Strategy Game. 🐾 Keep them entertained 🐾 Give them the excitement of getting a treat from each game won. 🐾 Good brain game for your dogs as it helps stimulate its brain and teach your dog to use all of its senses. Kennel.ai Dog Product Shop 🐾 Cosmetics. Dryer. Grooming Table. Vehicle Ramps. Running Machines. Strollers. Feeding Bowls. Dog Show Trolley. Baths. Dog Show Tent. Whelping Boxes. Agility equipment, and so much more.... 𝔻𝕠𝕘 🐶 ℙ𝕣𝕠𝕕𝕦𝕔𝕥𝕤 𝕊𝕙𝕠𝕡 🐶 Pet Dog Shop ®️ Register Your Pet Dog Ownership On Blockchain 🛍 Check Dogs for Sale Near You Or Advertise Puppies For Free #dogs#petdog#dogbreeder#kennelclub#blockchain#Ai#decentralised#dog#dogbreeder#dogshow#dogproducts#doghealth#doghealthtips#doghealthcare#dogregistration#doglover#doglove
@dogdata · Post #4336 · 01.11.2023 г., 16:12
Safari Pet Strollers with Grooming Table.🐾 Kennel.ai Dog Product Shop 🐾 Cosmetics. Dryer. Grooming Table. Vehicle Ramps. Running Machines. Strollers. Feeding Bowls. Dog Show Trolley. Baths. Dog Show Tent. Whelping Boxes. Agility equipment, and so much more.... 𝔻𝕠𝕘 🐶 ℙ𝕣𝕠𝕕𝕦𝕔𝕥𝕤 𝕊𝕙𝕠𝕡 🐶 Pet Dog Shop ®️ Register Your Pet Dog Ownership On Blockchain 🛍 Check Dogs for Sale Near You Or Advertise Puppies For Free #dogs#petdog#dogbreeder#kennelclub#blockchain#Ai#decentralised#dog#dogbreeder#dogshow#dogproducts#dogsoftiktok#doghealth#doghealthtips#doghealthcare#dogregistration#doglover#doglove
@dogdata · Post #4313 · 14.10.2023 г., 07:18
Safari Pet Strollers with Grooming Table.🐾 Kennel.ai Dog Product Shop 🐾 Cosmetics. Dryer. Grooming Table. Vehicle Ramps. Running Machines. Strollers. Feeding Bowls. Dog Show Trolley. Baths. Dog Show Tent. Whelping Boxes. Agility equipment, and so much more.... 𝔻𝕠𝕘 🐶 ℙ𝕣𝕠𝕕𝕦𝕔𝕥𝕤 𝕊𝕙𝕠𝕡 🐶 Pet Dog Shop ®️ Register Your Pet Dog Ownership On Blockchain 🛍 Check Dogs for Sale Near You Or Advertise Puppies For Free #dogs#petdog#dogbreeder#kennelclub#blockchain#Ai#decentralised#dog#dogbreeder#dogshow#dogproducts#dogsoftiktok#doghealth#doghealthtips#doghealthcare#dogregistration#doglover#doglove
@dogdata · Post #4297 · 04.09.2023 г., 07:43
Get Quality Dog Bed from KennelShop 🐾 Kennel.ai Dog Product Shop 🐾 Cosmetics. Dryer. Grooming Table. Vehicle Ramps. Running Machines. Strollers. Feeding Bowls. Dog Show Trolley. Baths. Dog Show Tent. Whelping Boxes. Agility equipment, and so much more.... 𝔻𝕠𝕘 🐶 ℙ𝕣𝕠𝕕𝕦𝕔𝕥𝕤 𝕊𝕙𝕠𝕡 🐶 Pet Dog Shop ®️ Register Your Pet Dog Ownership On Blockchain 🛍 Check Dogs for Sale Near You Or Advertise Puppies For Free #dogs#petdog#dogbreeder#kennelclub#blockchain#Ai#decentralised#dog#dogbreeder#dogshow#dogproducts#dogsoftiktok#doghealth#doghealthtips#doghealthcare#dogregistration#doglover#doglove
@dogdata · Post #4296 · 02.09.2023 г., 08:33
Safari Pet Strollers with Grooming Table.🐾 Kennel.ai Dog Product Shop 🐾 Cosmetics. Dryer. Grooming Table. Vehicle Ramps. Running Machines. Strollers. Feeding Bowls. Dog Show Trolley. Baths. Dog Show Tent. Whelping Boxes. Agility equipment, and so much more.... 𝔻𝕠𝕘 🐶 ℙ𝕣𝕠𝕕𝕦𝕔𝕥𝕤 𝕊𝕙𝕠𝕡 🐶 Pet Dog Shop ®️ Register Your Pet Dog Ownership On Blockchain 🛍 Check Dogs for Sale Near You Or Advertise Puppies For Free #dogs#petdog#dogbreeder#kennelclub#blockchain#Ai#decentralised#dog#dogbreeder#dogshow#dogproducts#dogsoftiktok#doghealth#doghealthtips#doghealthcare#dogregistration#doglover#doglove