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πŸ‘£ Stateless Postgres Query Router β€” это систСма ΡˆΠ°Ρ€Π΄ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΡ для PostgreSQL-кластСра, доступная с ΠΎΡ‚ΠΊΡ€Ρ‹Ρ‚Ρ‹ΠΌ исходным ΠΊΠΎΠ΄ΠΎΠΌ. Π•Ρ‘ основной ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚, Ρ€ΠΎΡƒΡ‚Π΅Ρ€, Π°Π½Π°Π»ΠΈΠ·ΠΈΡ€ΡƒΠ΅Ρ‚ запросы ΠΈ опрСдСляСт, Π½Π° ΠΊΠ°ΠΊΠΎΠΌ ΠΊΠΎΠ½ΠΊΡ€Π΅Ρ‚Π½ΠΎΠΌ PostgreSQL-кластСрС слСдуСт Π²Ρ‹ΠΏΠΎΠ»Π½ΠΈΡ‚ΡŒ Ρ‚Ρ€Π°Π½Π·Π°ΠΊΡ†ΠΈΡŽ ΠΈΠ»ΠΈ запрос.

ΠšΠ»ΡŽΡ‡ΠΈ ΡˆΠ°Ρ€Π΄ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΡ ΠΌΠΎΠ³ΡƒΡ‚ ΠΏΠ΅Ρ€Π΅Π΄Π°Π²Π°Ρ‚ΡŒΡΡ Π² запросС ΠΊΠ°ΠΊ явно, Ρ‚Π°ΠΊ ΠΈ нСявно, Π² Π²ΠΈΠ΄Π΅ ΠΊΠΎΠΌΠΌΠ΅Π½Ρ‚Π°Ρ€ΠΈΠ΅Π².
Π’ SPQR Ρ€Π΅Π°Π»ΠΈΠ·ΠΎΠ²Π°Π½Ρ‹ Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΈ Ρ‚Ρ€Π°Π½Π·Π°ΠΊΡ†ΠΈΠΎΠ½Π½ΠΎΠ³ΠΎ ΠΈ сСссионного ΠΏΡƒΠ»ΠΈΠ½Π³Π°, автобалансировки ΡˆΠ°Ρ€Π΄ΠΈΡ€ΠΎΠ²Π°Π½Π½Ρ‹Ρ… Ρ‚Π°Π±Π»ΠΈΡ†, Π° Ρ‚Π°ΠΊΠΆΠ΅ ΠΏΠΎΠ΄Π΄Π΅Ρ€ΠΆΠΊΠ° всСх Π²ΠΎΠ·ΠΌΠΎΠΆΠ½Ρ‹Ρ… ΠΌΠ΅Ρ‚ΠΎΠ΄ΠΎΠ² Π°ΡƒΡ‚Π΅Π½Ρ‚ΠΈΡ„ΠΈΠΊΠ°Ρ†ΠΈΠΈ, сбора статистики ΠΈ динамичСской ΠΏΠ΅Ρ€Π΅Π·Π°Π³Ρ€ΡƒΠ·ΠΊΠΈ ΠΊΠΎΠ½Ρ„ΠΈΠ³ΡƒΡ€Π°Ρ†ΠΈΠΈ.

SPQR ΠΏΠΎΠ΄Π΄Π΅Ρ€ΠΆΠΈΠ²Π°Π΅Ρ‚ ΠΊΠ°ΠΊ запросы ΠΊ ΠΎΠΏΡ€Π΅Π΄Π΅Π»Ρ‘Π½Π½ΠΎΠΌΡƒ ΡˆΠ°Ρ€Π΄Ρƒ, Ρ‚Π°ΠΊ ΠΈ запросы ΠΊΠΎ всСм ΡˆΠ°Ρ€Π΄Π°ΠΌ. Π’ Π±Π»ΠΈΠΆΠ°ΠΉΡˆΠΈΡ… ΠΏΠ»Π°Π½Π°Ρ… β€” Π΄ΠΎΠ±Π°Π²ΠΈΡ‚ΡŒ ΠΏΠΎΠ΄Π΄Π΅Ρ€ΠΆΠΊΡƒ Π΄Π²ΡƒΡ…Ρ„Π°Π·Π½Ρ‹Ρ… Ρ‚Ρ€Π°Π½Π·Π°ΠΊΡ†ΠΈΠΉ ΠΈ рСфСрСнсных Ρ‚Π°Π±Π»ΠΈΡ†.

Π˜ΡΡ…ΠΎΠ΄Π½Ρ‹ΠΉ ΠΊΠΎΠ΄ SPQR распространяСтся ΠΏΠΎΠ΄ Π»ΠΈΡ†Π΅Π½Π·ΠΈΠ΅ΠΉ PostgreSQL Global Development Group

⚑️ Бсылки:
🟒https://github.com/pg-sharding/spqr
🟒https://pg-sharding.tech/

@sqlhub
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πŸ‘£ Stateless Postgres Query Router β€” это систСма ΡˆΠ°Ρ€Π΄ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΡ для PostgreSQL-кластСра, доступная с ΠΎΡ‚ΠΊΡ€Ρ‹Ρ‚Ρ‹ΠΌ исходным ΠΊΠΎΠ΄ΠΎΠΌ. Π•Ρ‘ основной ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚, Ρ€ΠΎΡƒΡ‚Π΅Ρ€, Π°Π½Π°Π»ΠΈΠ·ΠΈΡ€ΡƒΠ΅Ρ‚ запросы ΠΈ опрСдСляСт, Π½Π° ΠΊΠ°ΠΊΠΎΠΌ ΠΊΠΎΠ½ΠΊΡ€Π΅Ρ‚Π½ΠΎΠΌ PostgreSQL-кластСрС слСдуСт Π²Ρ‹ΠΏΠΎΠ»Π½ΠΈΡ‚ΡŒ Ρ‚Ρ€Π°Π½Π·Π°ΠΊΡ†ΠΈΡŽ ΠΈΠ»ΠΈ запрос.

ΠšΠ»ΡŽΡ‡ΠΈ ΡˆΠ°Ρ€Π΄ΠΈΡ€ΠΎΠ²Π°Π½ΠΈΡ ΠΌΠΎΠ³ΡƒΡ‚ ΠΏΠ΅Ρ€Π΅Π΄Π°Π²Π°Ρ‚ΡŒΡΡ Π² запросС ΠΊΠ°ΠΊ явно, Ρ‚Π°ΠΊ ΠΈ нСявно, Π² Π²ΠΈΠ΄Π΅ ΠΊΠΎΠΌΠΌΠ΅Π½Ρ‚Π°Ρ€ΠΈΠ΅Π².
Π’ SPQR Ρ€Π΅Π°Π»ΠΈΠ·ΠΎΠ²Π°Π½Ρ‹ Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΈ Ρ‚Ρ€Π°Π½Π·Π°ΠΊΡ†ΠΈΠΎΠ½Π½ΠΎΠ³ΠΎ ΠΈ сСссионного ΠΏΡƒΠ»ΠΈΠ½Π³Π°, автобалансировки ΡˆΠ°Ρ€Π΄ΠΈΡ€ΠΎΠ²Π°Π½Π½Ρ‹Ρ… Ρ‚Π°Π±Π»ΠΈΡ†, Π° Ρ‚Π°ΠΊΠΆΠ΅ ΠΏΠΎΠ΄Π΄Π΅Ρ€ΠΆΠΊΠ° всСх Π²ΠΎΠ·ΠΌΠΎΠΆΠ½Ρ‹Ρ… ΠΌΠ΅Ρ‚ΠΎΠ΄ΠΎΠ² Π°ΡƒΡ‚Π΅Π½Ρ‚ΠΈΡ„ΠΈΠΊΠ°Ρ†ΠΈΠΈ, сбора статистики ΠΈ динамичСской ΠΏΠ΅Ρ€Π΅Π·Π°Π³Ρ€ΡƒΠ·ΠΊΠΈ ΠΊΠΎΠ½Ρ„ΠΈΠ³ΡƒΡ€Π°Ρ†ΠΈΠΈ.

SPQR ΠΏΠΎΠ΄Π΄Π΅Ρ€ΠΆΠΈΠ²Π°Π΅Ρ‚ ΠΊΠ°ΠΊ запросы ΠΊ ΠΎΠΏΡ€Π΅Π΄Π΅Π»Ρ‘Π½Π½ΠΎΠΌΡƒ ΡˆΠ°Ρ€Π΄Ρƒ, Ρ‚Π°ΠΊ ΠΈ запросы ΠΊΠΎ всСм ΡˆΠ°Ρ€Π΄Π°ΠΌ. Π’ Π±Π»ΠΈΠΆΠ°ΠΉΡˆΠΈΡ… ΠΏΠ»Π°Π½Π°Ρ… β€” Π΄ΠΎΠ±Π°Π²ΠΈΡ‚ΡŒ ΠΏΠΎΠ΄Π΄Π΅Ρ€ΠΆΠΊΡƒ Π΄Π²ΡƒΡ…Ρ„Π°Π·Π½Ρ‹Ρ… Ρ‚Ρ€Π°Π½Π·Π°ΠΊΡ†ΠΈΠΉ ΠΈ рСфСрСнсных Ρ‚Π°Π±Π»ΠΈΡ†.

Π˜ΡΡ…ΠΎΠ΄Π½Ρ‹ΠΉ ΠΊΠΎΠ΄ SPQR распространяСтся ΠΏΠΎΠ΄ Π»ΠΈΡ†Π΅Π½Π·ΠΈΠ΅ΠΉ PostgreSQL Global Development Group

⚑️ Бсылки:
🟒https://github.com/pg-sharding/spqr
🟒https://pg-sharding.tech/

@sqlhub

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What is Telegram?

Telegram’s stand out feature is its encryption scheme that keeps messages and media secure in transit. The scheme is known as MTProto and is based on 256-bit AES encryption, RSA encryption, and Diffie-Hellman key exchange. The result of this complicated and technical-sounding jargon? A messaging service that claims to keep your data safe.Why do we say claims? When dealing with security, you always want to leave room for scrutiny, and a few cryptography experts have criticized the system. Overall, any level of encryption is better than none, but a level of discretion should always be observed with any online connected system, even Telegram.

How Does Bitcoin Work?

Bitcoin is built on a distributed digital record called a blockchain. As the name implies, blockchain is a linked body of data, made up of units called blocks that contain information about each and every transaction, including date and time, total value, buyer and seller, and a unique identifying code for each exchange. Entries are strung together in chronological order, creating a digital chain of blocks. β€œOnce a block is added to the blockchain, it becomes accessible to anyone who wishes to view it, acting as a public ledger of cryptocurrency transactions,” says Stacey Harris, consultant for Pelicoin, a network of cryptocurrency ATMs. Blockchain is decentralized, which means it’s not controlled by any one organization. β€œIt’s like a Google Doc that anyone can work on,” says Buchi Okoro, CEO and co-founder of African cryptocurrency exchange Quidax. β€œNobody owns it, but anyone who has a link can contribute to it. And as different people update it, your copy also gets updated.”

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