Advantages and disadvantages of MongoDB

It is a gradual process to collect my own understanding of MongoDB's advantages and disadvantages, or to reference or extract from other reliable online files, it also expands with my understanding of MongoDB.

(1) MongoDB limitations

1. Uneven data distribution in cluster shards

2. Relatively Poor standalone Reliability

3. Large data volumes continue to be inserted, and the Write Performance fluctuates greatly.

4. Large disk space usage

(2) Unusual MongoDB features

1. No Mode

2. the query and indexing methods are flexible and are the most similar to SQL nosql.

2. Supports features such as replica set, master-slave, mutual master-slave, and automatic sharding.