mg (meta get)¶
Protocols: memcached meta
Generic retrieval. Flags select what to return (value, CAS, flags, size, TTL, last-access, hit-flag), what to do on miss (auto-vivify, suppress response), and whether to refresh the TTL on hit.
Synopsis¶
Common flags¶
| Flag | Effect |
|---|---|
v |
Return value (otherwise header-only) |
c |
Return CAS |
f |
Return client flags |
s |
Return item size |
t |
Return remaining TTL |
l |
Return seconds since last access |
h |
Return hit flag |
k |
Echo key in response |
q |
Quiet on miss (no EN) |
u |
Do not bump LRU |
T(token) |
Refresh TTL to token seconds |
N(token) |
Auto-vivify with TTL on miss |
O(token) |
Opaque correlator |
Full table: Meta flags reference.
Responses¶
| Token | Meaning |
|---|---|
HD |
Hit (header only) |
VA <size> |
Hit with value (when v set); body follows |
EN |
Miss |