ОАЭ задумались об атаке на Иран20:55
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，这一点在服务器推荐中也有详细论述
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。业内人士推荐体育直播作为进阶阅读
However, I learned during this analysis that there are exceptions to this pattern.。Line官方版本下载对此有专业解读