diff options
Diffstat (limited to 'src/evict.c')
| -rw-r--r-- | src/evict.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/src/evict.c b/src/evict.c index 55b132123..bf485ddc5 100644 --- a/src/evict.c +++ b/src/evict.c @@ -335,19 +335,9 @@ uint8_t LFULogIncr(uint8_t counter) { unsigned long LFUDecrAndReturn(robj *o) { unsigned long ldt = o->lru >> 8; unsigned long counter = o->lru & 255; - long halve_times = server.lfu_decay_time ? LFUTimeElapsed(ldt) / server.lfu_decay_time : 0; - if (halve_times > 0 && counter) { - if (halve_times == 1) { - if (counter > LFU_INIT_VAL*2) { - counter /= 2; - if (counter < LFU_INIT_VAL*2) counter = LFU_INIT_VAL*2; - } else { - counter--; - } - } else { - counter = counter >> halve_times; - } - } + unsigned long num_periods = server.lfu_decay_time ? LFUTimeElapsed(ldt) / server.lfu_decay_time : 0; + if (num_periods) + counter = (num_periods > counter) ? 0 : counter - num_periods; return counter; } |