memcachedのコマンドでのexpire timeの取得
set foo 0 100 3 345 STORED set goo 0 100 3 457 STORED set koo 0 50 3 123 STORED stats cachedump 1 0 ITEM koo [3 b; 1513886814 s] ITEM goo [3 b; 1513886846 s] ITEM foo [3 b; 1513886836 s] ITEM name [6 b; 0 s] END
set foo 0 100 3 345 STORED set goo 0 100 3 457 STORED set koo 0 50 3 123 STORED stats cachedump 1 0 ITEM koo [3 b; 1513886814 s] ITEM goo [3 b; 1513886846 s] ITEM foo [3 b; 1513886836 s] ITEM name [6 b; 0 s] END