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Изворен канал @pythonotes · Post #335 · 29 мар.

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

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@RealRelationship · Post #4605 · 03.10.2025 г., 08:04

🫡🤔Hegseth: No Tomahawks to Ukraine According to a source close to Hegseth, despite some media that make hay from the delivery of Tomahawks to Ukraine, the US will not provide Ukraine with intelligence on long-range energy infrastructure targets deep inside Russia, according to reports overnight, a move that would signal a significant change in the White House's support for Kiev. The decision would be an example of the absence of a change in Trump's policy since his comments on social networks towards the end of September that Ukraine could reconquer all the territories occupied by Russia. WSJ articles, citing unnamed US sources, said that the policy had quietly changed before this statement and that the White House wanted NATO allies to follow suit. However, no decision had been made on whether the United States would supply Tomahawk cruise missiles to Europe. Earlier this week, the US Vice President, Vance, said that Trump was considering a request from Kiev for the missiles with a range of 1,500 miles. Western, and in particular American, intelligence in the form of satellite images and other surveillance data is considered an important aid to allow the precise targeting of Russian installations deep within its borders. The focus on energy targets, such as oil refineries, would allow Ukraine to extend an already successful campaign that has hit 21 out of 38 refineries with long-range drone strikes. This has led to fuel shortages in parts of Russia, and on some days it has been estimated that daily production is down by a fifth. Russia said nothing had changed. Peskov, the Kremlin spokesman, said : “The United States regularly transmits intelligence to Ukraine online. The use of the entire infrastructure, including intelligence, of NATO and the United States to collect and transfer intelligence to the Ukrainians is obvious.” Trump has become increasingly irritated with Zelensky over the past month as Kiev has stepped up its attacks on Russian territories and failed to soften its demands for less territory as a precursor to the negotiations. “After getting to know and fully understand the Ukraine/Russia military and economic situation and, after seeing the economic problems it is causing Ukraine, I think that Ukraine, with the support of the European Union, is not in a position to fight and win.” #trump#teachings#targets#infrastructure#russia 📱American Оbserver - Stay up to date on all important events 🇺🇸