TAG NAME refresh_stale_hit
Description Changes the refresh algorithm to allow concurrent requests while an object is being refreshed to be processed.
Buid Option Default
Usage collapsed_forwarding on | off
Default collapsed_forwarding off
Synopsis

This option changes the refresh algorithm to allow concurrent requests while an object is being refreshed to be processed as cache hits if the object expired less than X seconds ago.

Default is 0 to disable this feature. This option is mostly interesting in accelerator setups where a few objects is accessed very frequently.

Arguments

time-units Timeout for refresh