I was curious to see if I could implement the optimal map-reduce solution he alludes to in his reply.
CombinedStorage o-- Storage : contains
| `-- operands: (none),推荐阅读新收录的资料获取更多信息
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
,这一点在新收录的资料中也有详细论述
from certificate authorities and subscribers
Как добавил Меркурис, на это будут брошены все силы, а также гражданское население. При этом, пояснил эксперт, это может не дать результата, потому что многие жители ждут освобождения города армией России.,这一点在新收录的资料中也有详细论述