В Linux стандартными средствами можно использовать часть оперативной памяти как диск. Для этого требуется указать тип монтирования tmpfs в команде mount
mount -t tmpfs -o size=5G tmpfs /mnt/ram
Теперь путь /mnt/ram можно использовать как обычный каталог. Для чего это может быть нужно?
▫️ Скорость работы с таким каталогом выше чем многие SSD и тем более HDD.
▫️ Если у вас очень быстрый SSD на NVMe M.2 то такой способ особо не прибавит вам скорости, но поможет сохранить ресурс SSD когда требуется обрабатывать очень много мелких файлов и оперативка позволяет выделить нужный объем.
▫️ Оперативка это энергозависимая память, поэтому выключении питания все файлы безвозвратно теряются. Такой "non persistent" каталог гарантирует удаление временных файлов.
Я написал небольшой скрипт для условного теста и сравнения скорости копирования файлов между SSD и RAM.
Вот мои результаты:
Single File Size: 30.0Gb
ssd > ssd: 0:00:12.850 / 2.3Gb/s
sdd > ram: 0:00:06.453 / 4.6Gb/s
ram > ram: 0:00:06.995 / 4.3Gb/s
ram > sdd: 0:00:06.217 / 4.8Gb/s
Dir size: 32.7Gb, File count: 11127
ssd > ssd: 0:00:15.063 / 2.2Gb/s
sdd > ram: 0:00:08.486 / 3.9Gb/s
ram > ram: 0:00:08.032 / 4.1Gb/s
ram > sdd: 0:00:07.026 / 4.7Gb/s
Скрипт для теста ↗️
На моём железе прирост скорости ~2x. Плюс экономия ресурса SSD.
В Windows такой фишки по умолчанию нет, но обязательно найдутся аналогичные решения
#linux#triks
⭐Expression: “Easy peasy Japanesey!”
When something is so simple you can do it with your eyes half-closed,Americans sometimes joke and say:
👉 “Easy peasy Japanesey!”
It’s playful, childish, and super informal, perfect when you want to sound fun and light-hearted.
Example:
A: Can you fix this for me?
B: Sure. Easy peasy Japanesey!
Meaning: “Piece of cake. No big deal.”
#Expression
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🌍Around the world in expressions!✈️
🇨🇭“I’m Switzerland” – Staying neutral like a pro.
🇫🇷“Excuse my French” – Oops… did I just swear? 😅
🇬🇷“It’s all Greek to me” – Totally incomprehensible! 🤯
🇳🇱 “Let’s go Dutch” – Sharing is caring (and paying!) 💸
💬 Which one is your favorite? Or do you have your own “worldly” saying?
#Expression
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🔵 Today’s Expression:
“Whatchamacallit” /ˈwɒtʃəməˌkɔːlɪt/
“Whatchamacallit” is a fun, casual word we use when we can’t remember the name of something or when the name simply doesn’t matter.
🔹Meaning
A playful replacement for the name of an object you can’t recall.
🔹Examples
🔹Pass me that whatchamacallit...the phone holder.
🔹Do we still have that spicy whatchamacallit sauce?
🔹I need the whatchamacallit to connect my laptop to the TV.
#Expression
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❤️ It's my turn to + (verb)
✍🏻« When stating 'my turn' you are telling someone that it is time to change position or position focuses on to you.»
💭Here are some examples:
🔷"It's my turn to walk you home.”
🔷"It's my turn to do laundry."
🔷"It's my turn to take out the trash."
🔷"It is my turn to roll the dice."
🔷"It is my turn to attempt solving the problem."
#Expression
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The point is that + (subject + verb)
✍🏻«By stating 'the point is' you are stating in your opinion the meaning about what is actually happening.»
📍Here are some examples:📍
📕"The point is that if you study you will do well in school."
📕"The point is that she does not understand."
📕"The point is that the world would be a better place."
📕"The point is that snakes can be dangerous."
📕"The point is that leaving a baby alone is not a good idea."
📕"The point is that if we do not leave now we will be late."
📕"The point is that she needs to be more responsible."
◽️◽️◽️◽️◽️◽️◽️◽️◽️
#Expression
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💢 Ahead Of One's Time
🎨 Meaning:
🍃 In advance of current ideas and trends.
🎨 Usage:
🍃 Some people describe Albert Einstein was a physicist ahead of his time.
〰〰〰〰〰〰〰〰〰〰〰〰
Level: Intermediate_Advanced
=========================
#Idiom#Expression#Ahead
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Expressionlar va ulardan resurslar so'rovlarida foydalanish
Talablarga binoan, siz kutgan mavzu - Expressionlar. Barchaga ma'lumki, database dan kelayotgan ma'lumotlarni dinamik holatda filterlash, saralash unchalik ham oson emas. Ushbu mahorat darsimizda, Sultonbek sizlarga expression/query lar bilan ishlashning yangicha usulini taqdim etmoqchi. Eng qizig'i shundaki, bizning speaker mavzudan ilhomlanib, ushbu amaliyot uchun yangi kutubxona ham ishlab chiqishga ulguribdi. Judayam qiziq, sinab ko'ramiz-a, nima deysiz?
Barchangizni ushbu mahorat darsida kutib qolamiz. Kirsangiz xursand bo'lamiz, kirmasangiz hafa bo'lish yo'q )
Sana: 22-yanvar, 20:00
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Speaker: Sultonbek Rakhimov
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Do you know someone who always thinks that everyone else has a better life than them?! 🙄😅 Scroll through the images to find out how to use ‘the grass is always greener on the other side’ 🌱, and don’t forget to answer the questions on the last slide!
EXTRA: Could walking 7,000 steps a day could improve your mental health? 🚶 Click the link in our bio to find out and learn some useful vocabulary in the process! 📰💚
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You know when somebody just WON’T change their ways? 😠 We’ve got an English expression for that! ✅
Scroll through the images to find out how to use ‘You can’t teach an old dog new tricks.’ ❌🐶
Can you use it in a sentence – and do you have a similar expression in your language? 👇👇👇
MORE: If you'd like to learn some more animal idioms, like 'rabbit on 🐰' or 'as sick as a parrot 🦜', click the link in our bio!
Image: Getty
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