In Mongo, when using w: 1 in a write concern, the write operation is acknowledged after being successfully applied to the primary's instance memory. However, w: 1 alone does not guarantee durability unless combined with j: true (journaling). Running standalone Mongo, as we did in the tests, defaults to j: false. I have explicitly set it to true in the testing script to make write comparisons to Postgres objective. You can dive deeper into this here: https://www.mongodb.com/docs/manual/reference/write-concern/#acknowledgment-behavior and here: https://www.mongodb.com/docs/manual/core/journaling/. Unfortunately, docs are a bit convoluted about it
First FT: the day’s biggest stories,这一点在Line官方版本下载中也有详细论述
"When you go around research labs, or you talk to start-ups, they have really good sensors, and then you ask them how long they work. They say 'six months'. That's great for R&D... but in industry, I want this robot to work for 10 years," he says.,详情可参考下载安装汽水音乐
在上篇文章中,我测评了 Claude PPTX Skill 以及 Manus、NotebookLM 等软件的 PPT 生成能力。文章发布后,后台收到了许多读者的留言推荐。