搜索刷新时间

text搜索刷新时间在程序源代码里面被定为1 个小时

search.php:
$cachelife_text = 3600; // Life span for cache of searching in specified range of full text

然后, 另外一个condition 只让有10% 机会检查刷新时间:

if(substr($timestamp, -1) == '0') // last digit of time in second is 0

结果: 1. 非常长时刻才能刷新 (at leat 1 hour) 2. 结果不是确定的 (only 10% chance when you search)

I know all of these are for performance reasons. I'm thinking of the following changes:

1. check if the last digit of timestamp is even 偶数 (50% hit)
2. shorten cachelife_text to 600 (15 minutes)

Any suggestions?

Thanks.

说明刷新限制时间 有bug?