If you have enough RAM, set the value of this parameter as large as possible to decrease the indexing time dramatically.
如果你有足够的内存，请将该参数的值设置得尽可能大以显著减少索引时间。
2
Some kernel levels require a parameter to enable large memory support on systems with more than a certain amount of ram.
有些内核级别可能需要一个参数来启用RAM大于一定量的系统上的大内存支持。
3
The default value of this parameter is 10. If you have enough ram, set the value of this parameter as large as possible to decrease the indexing time dramatically.