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
В стране ЕС белоруске без ее ведома удалили все детородные органы22:38
We believe this designation would both be legally unsound and set a dangerous precedent for any American company that negotiates with the government.。搜狗输入法下载对此有专业解读
Польским властям следует разработать план полного закрытия границы с Украиной на фоне роста преступности в соседней стране. С таким призывом выступил бывший депутат сейма Польши Матеуш Пискорский в статье для Myśl Polska.
,这一点在体育直播中也有详细论述
This Tweet is currently unavailable. It might be loading or has been removed.,更多细节参见同城约会
1. 选基准:随机选一个元素作为基准(pivot)