В статье объясняется, почему Spring Data JPA может тормозить: рассматриваются причины вроде open-in-view, ленивой инициализации, неправильной настройки DataSource и медленных JOIN-ов.
Автор на примерах показывает, как выявить проблемные места и оптимизировать конфигурацию, чтобы избавиться от неожиданных лагов и блокировок.
tags: #статья
BY Java Developer
For some time, Mr. Durov and a few dozen staffers had no fixed headquarters, but rather traveled the world, setting up shop in one city after another, he told the Journal in 2016. The company now has its operational base in Dubai, though it says it doesn’t keep servers there.Mr. Durov maintains a yearslong friendship from his VK days with actor and tech investor Jared Leto, with whom he shares an ascetic lifestyle that eschews meat and alcohol.
In recent times, Telegram has gained a lot of popularity because of the controversy over WhatsApp’s new privacy policy. In January 2021, Telegram was the most downloaded app worldwide and crossed 500 million monthly active users. And with so many active users on the app, people might get messages in bulk from a group or a channel that can be a little irritating. So to get rid of the same, you can mute groups, chats, and channels on Telegram just like WhatsApp. You can mute notifications for one hour, eight hours, or two days, or you can disable notifications forever.
telegram from in