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MongoDB的执行查询的压力在哪?Mongos、Mongod?
既然提到了 mongos 表示是有執行分片,在分片的情況下如果有做 mapreduce 壓力最後會落在 mongos 上面,要注意 mongos 的內存容量殘存。
@kevinl 所以,除了分片的map reduce,其他压力是在mongod上?
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