Function RM_SetLRU

app/redis-6.2.6/src/module.c:8830–8836

Set the key last access time for LRU based eviction. not relevant if the * servers's maxmemory policy is LFU based. Value is idle time in milliseconds. * returns REDISMODULE_OK if the LRU was updated, REDISMODULE_ERR otherwise. */

 * servers's maxmemory policy is LFU based. Value is idle time in milliseconds.
 * returns REDISMODULE_OK if the LRU was updated, REDISMODULE_ERR otherwise. */
int RM_SetLRU(RedisModuleKey *key, mstime_t lru_idle) {
    if (!key->value)
        return REDISMODULE_ERR;
    if (objectSetLRUOrLFU(key->value, -1, lru_idle, lru_idle>=0 ? LRU_CLOCK() : 0, 1))
        return REDISMODULE_OK;
    return REDISMODULE_ERR;
}

/* Gets the key last access time.
 * Value is idletime in milliseconds or -1 if the server's eviction policy is