The advantages and disadvantages of MongoDB

Here I have my own understanding of some of the advantages and disadvantages of MongoDB, or through other reliable web references or excerpts from the basis, this is a gradual process, but also with my knowledge of mongodb deepened and expanding.

(1) The deficiencies of MongoDB

1. Uneven distribution of data in cluster shards

2, single-machine reliability is relatively poor

3, large data volume continuous insertion, write performance has a large fluctuation

4, disk space consumption is relatively large

(2) MongoDB's extraordinary place

1. No mode

2, query and index flexible, is the most like the SQL NoSQL

2, support replication set, main preparation, mutual primary preparation, automatic sharding and other characteristics

The advantages and disadvantages of MongoDB