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
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美国驻阿联酋的哈弗拉空军基地也遭到伊朗导弹打击，至少一枚导弹在阿布扎比上空被爱国者系统拦截。在美国驻约旦的穆沃法克萨勒迪空军基地也升腾起巨大烟柱。美军在这座基地部署了大量战机。