- store data in JSON, not tables
adventages:
– faster then SQL (no joins, complex transactions)
– easy installable sharding
– no schema
disadventages:
– record in one thread
– memory-mapped files, IO scheduling not for DB
– one index per request
– no sharding adaptive
– performance configuration by OS
– there is no atomic in requests
– poor monitoring/statistic
– cumbersome code
– consume more HDD space