越多越好,不过如果分配给虚拟机过多,你的机子就会变得不稳定而且很慢。
The more, the better, but if you choose too much your real computer will become unstable/very slow.
所以请确认索引速度确实很慢,而且很慢的原因确实是因为Lucene自身而造成的。
So be sure your indexing speed is indeed too slow and the slowness is indeed within Lucene.
他话说得很慢,而且很吃力。
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