今早網友 Jansen 介紹了A Hammer’s Blog的 模擬周秀娜與教授對答
佢老哥吹雞叫大家齊齊玩,我趁飯氣攻心要先醒一醒之餘,於是我又玩埋一份。
李:你覺得呢個年紀o既人,有乜共同特色?
路:到我呢把年紀o的麻甩佬,特色就係愈老愈
There are two different (although overlapping) uses of conditionalGETs , especially the HTTP ETag header; reducing bandwidth, andreducing your computation. A successful conditional GET always reducesbandwidth usage, and it may let you skip doingexpensive operations to compute the request page.
Reducing bandwidth is useful in general because it improves the userexperience (although these days there is evidence that the big time hitcomes from the number of requests, not their size), but it probablydoesn't help your servers very much; most
今早網友 Jansen 介紹了A Hammer’s Blog的 模擬周秀娜與教授對答
佢老哥吹雞叫大家齊齊玩,我趁飯氣攻心要先醒一醒之餘,於是我又玩埋一份。
李:你覺得呢個年紀o既人,有乜共同特色?
路:到我呢把年紀o的麻甩佬,特色就係愈老愈
One thing about ZFS GUIDs that I didn't get around tocovering is when commands like ' zpool status ' are misleading you aboutthe device names that they show.
When things are fine, ie when ZFS can find the GUID that it is lookingfor, the device name is correct (in fact hyper-correct, as ' zpoolstatus ' also checks that the device ID is the right one). When thingsare not fine, zpool will generally display the device name of the lastdevice that that GUID