tyler/proxmox-backup
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2 Commits

Author SHA1 Message Date
Stefan Reiter
c48c38ab8c async_lru_cache: fix handling of errors in fetch 
The future needs to be removed from the pending map in any case, even if
it returned an error, else all upcoming calls to access this key will
always return the same error.

Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
 2021-06-28 13:48:26 +02:00
Stefan Reiter
5446bfbba8 tools: add AsyncLruCache as a wrapper around sync LruCache 
Supports concurrent 'access' calls to the same key via a
BroadcastFuture. These are stored in a seperate HashMap, the LruCache
underneath is only modified once a valid value has been retrieved.

Signed-off-by: Stefan Reiter <s.reiter@proxmox.com>
 2021-06-08 09:42:34 +02:00