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Optimize inner loop of activeExpireCycle() for no-expires case.

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antirez 2013-03-09 11:48:54 +01:00
parent 5f5aa487f9
commit 1f7d2c1e27
1 changed files with 7 additions and 3 deletions
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src/redis.c
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@ -671,9 +671,13 @@ void activeExpireCycle(void) {
/* Continue to expire if at the end of the cycle more than 25% /* Continue to expire if at the end of the cycle more than 25%
* of the keys were expired. */ * of the keys were expired. */
do { do {
unsigned long num = dictSize(db->expires); unsigned long num, slots;
unsigned long slots = dictSlots(db->expires); long long now;
long long now = mstime();
/* If there is nothing to expire try next DB ASAP. */
if ((num = dictSize(db->expires)) == 0) break;
slots = dictSlots(db->expires);
now = mstime();
/* When there are less than 1% filled slots getting random /* When there are less than 1% filled slots getting random
* keys is expensive, so stop here waiting for better times... * keys is expensive, so stop here waiting for better times...