Makes a difference between page latch waits that are caused by i o operations and read and write operations on the page Sys . dm _ os _ wait _ stats可区分对页执行i / o操作导致的页闩锁等待和对页执行读写操作导致的页闩锁等待。
Contention on latches of this class can occur when multiple connections try to allocate data pages in the same allocation unit at the same time 如果多个连接试图同时在相同的分配单元中分配数据页，则会发生对此类闩锁的争用。
The dung gate was repaired by malkijah son of recab , ruler of the district of beth hakkerem . he rebuilt it and put its doors and bolts and bars in place 14管理伯哈基琳、利甲的儿子玛基雅、修造粪厂门立门、安门扇、和闩锁。
A latch wait occurs when a latch request cannot be granted immediately , because the latch is held by another thread in a conflicting mode 由于闩锁由冲突模式中的另一个线程持有，所以当无法立即满足闩锁请求时，就会发生闩锁等待。
