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
This parameter also affects the indexing performance.
这个参数也会影响索引的性能。
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.