从 Google App Engine 中的拉取队列租用任务
Leasing tasks from pull queues in Google App Engine
pull queues 是否保证在任何给定时间点将任务租给不超过一个工人？
未能找到任何明确提及此...
是的，租约本身保证（只要租约不过期）。来自 Leasing tasks:
Leasing a task makes it unavailable for processing by another worker,
and it remains unavailable until the lease expires.
pull queues 是否保证在任何给定时间点将任务租给不超过一个工人？
未能找到任何明确提及此...
是的，租约本身保证（只要租约不过期）。来自 Leasing tasks:
Leasing a task makes it unavailable for processing by another worker, and it remains unavailable until the lease expires.