سناریویی را در نظر بگیرید که حجم داده آنقدر زیاد شده است که امکان قرار دادن آن در یک سرور ذخیره‌سازی (پایگاه داده) امکان پذیر نیست. حتی ممکن است بهبود توان و فضای سرور ذخیره‌سازی هم مقرون به صرفه نباشد زیرا پاسخ به درخواست وارده باید کل پایگاه داده را بررسی کند. افراز بندی پایگاه داده که به آن شارد کردن (sharding) نیز می‌گویند، یک راه معروف برای حل مشکل فوق است.
سناریویی را در نظر بگیرید که حجم داده آنقدر زیاد شده است که امکان قرار دادن آن در یک سرور ذخیره‌سازی (پایگاه داده) امکان پذیر نیست. حتی ممکن است بهبود توان و فضای سرور ذخیره‌سازی هم مقرون به صرفه نباشد زیرا پاسخ به درخواست وارده باید کل پایگاه داده را بررسی کند. افراز بندی پایگاه داده که به آن شارد کردن (sharding) نیز می‌گویند، یک راه معروف برای حل مشکل فوق است.
#09_Sharding #System_Design
BY Golem Course
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Founder Pavel Durov says tech is meant to set you free Lastly, the web previews of t.me links have been given a new look, adding chat backgrounds and design elements from the fully-features Telegram Web client. On February 27th, Durov posted that Channels were becoming a source of unverified information and that the company lacks the ability to check on their veracity. He urged users to be mistrustful of the things shared on Channels, and initially threatened to block the feature in the countries involved for the length of the war, saying that he didn’t want Telegram to be used to aggravate conflict or incite ethnic hatred. He did, however, walk back this plan when it became clear that they had also become a vital communications tool for Ukrainian officials and citizens to help coordinate their resistance and evacuations. "There are several million Russians who can lift their head up from propaganda and try to look for other sources, and I'd say that most look for it on Telegram," he said. At its heart, Telegram is little more than a messaging app like WhatsApp or Signal. But it also offers open channels that enable a single user, or a group of users, to communicate with large numbers in a method similar to a Twitter account. This has proven to be both a blessing and a curse for Telegram and its users, since these channels can be used for both good and ill. Right now, as Wired reports, the app is a key way for Ukrainians to receive updates from the government during the invasion.
from tr
