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Update 0.FAQ.md (#1604)
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whitewum authored Mar 30, 2022
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Expand Up @@ -298,6 +298,8 @@ nebula > MATCH (s)-[e]->() WHERE id(s) == "given" RETURN count(e); #出度
nebula > MATCH (s)<-[e]-() WHERE id(s) == "given" RETURN count(e); #入度
```

因为没有对出度和入度的进行特殊处理(例如索引或者缓存),这是一个较慢的操作。特别当遇到[超级节点](../8.service-tuning/super-node.md)时,可能会发生OOM。

### 是否有办法快速获取“所有”点的出度和入度?

没有直接命令。
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