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
🚗✨Rare Gem Alert: 1935 Mercedes-Benz 500K!✨🚗
A stunning piece of automotive history is hitting the auction block for $4-6 million! 💰🔥
This exquisite Mercedes-Benz 500K was built for the legendary pre-war racer Rudolf "Regensmeister" Caracciola. 🏁🏆 Its unique body was custom-designed to accommodate the tall stature of the champion driver!
In 1979, the car found its way to Rudi Klein, who took it for a couple of events before locking it away in his barn, preserving its beauty for decades. 🏡🔒
#MercedesBenz500K#ClassicCars#CarAuction#RacingLegend#Auto
🚗✨ Rare Mercedes-Benz S-Class Coupe Up for Auction! ✨🚗
Check out this stunning 1980s Mercedes-Benz 500SEC, expertly tuned by AMG before it became part of the larger automotive group! 🏎️💨
🔧 Specs:
- Original 5.0L V8 upgraded to a powerful 6.0L! 🔥
- Output increased to an impressive 330 HP! 💪
- Features include AMG springs, four-piston brake calipers, and stunning 17-inch OZ Racing wheels. 🛞
- Aerodynamic body kit for that sleek look! 🌬️
Don’t miss your chance to own a piece of automotive history! 🏆
#MercedesBenz#AMG#ClassicCars#CarAuction#SClass#Auto
🚗✨ Rare Pre-War Delahaye 135M Roadster Up for Sale! ✨🚗
This stunning automobile, crafted by the renowned Figoni et Falaschi atelier, is one of only 11 ever made in 1938, with fewer than five surviving to this day! 🌟
Originally ordered by an Algerian businessman in March 1938, its journey remains a mystery until the early 1990s when it was rediscovered in a garage by a French enthusiast. 🕵️♂️🔍
Since 1999, this exquisite piece of French automotive history has been owned by renowned American collector Robert Petersen and is periodically showcased in his museum. 🎨🏛️
Now, it's hitting the auction block with a price tag of $3 million! 💰💎
#Delahaye#ClassicCars#CarAuction#VintageAutomobile#FigoniEtFalaschi#LuxuryCars#CarCollector#AutomotiveHistory#RareFinds
🚗✨ Incredible Auction Alert! ✨🚗
Get ready for the chance to own a piece of racing history! 🏁 The legendary Mercedes-Benz W196 Streamliner is set to hit the auction block! 🎉
This extraordinary car, originally driven by the great Juan Manuel Fangio in a non-championship Formula 1 race in 1954, features the iconic streamlined body that has been preserved to this day. 🏆💨
Later, the car was driven by Stirling Moss during the 1955 Italian Grand Prix at Monza, where he recorded an impressive lap time before sadly retiring from the race. ⏱️🇮🇹
Auction estimates place this racing masterpiece at a staggering $50 to $70 million (approx. **₽4.7 to ₽6.3 billion**)! 💰💎
#MercedesBenz#W196#Streamliner#F1History#JuanManuelFangio#StirlingMoss#CarAuction#RacingLegend#LuxuryCars#Auto
🚗✨For Sale: A Rare Jaguar Duo!✨🚗
Up for auction on Pistonheads, we present a unique lot featuring two legendary Jaguars: the racing beast XJR-15 and the classic coupe XJR-S! 🏁
🌟Jaguar XJR-15🌟
- The world’s first production car with a carbon fiber body! 🏆
- Only 53 units produced from 1990 to 1992, all equipped with a powerful 6.0L V12 engine (450 hp). 🔥
- Out of those, only 27 are road-legal! This one is a pure track version with chassis number 48. 🏎️💨
- Notably, it won a support race for Formula 1 at Silverstone in 1991, driven by the legendary Juan Manuel Fangio II, with his autograph still gracing the body! ✍️🏅
#Jaguar#XJR15#XJRS#ClassicCars#CarAuction#Pistonheads#Motorsport#CarCollectors#RareCars#Auto🚘💖