NoSQL Systems
Consequences of sharding
So how's that working out?
- The realization that query languages are useful:
SQL-like query languages are being added to NoSQL systems.
- The realization that durability is important:
If a database is accepting hundreds of writes per second, and
there is a 0.1 sec lag between "commit" and data actually reaching
disk, you will lose "committed" data
- About that name ...: Lame attempt to claim that
NoSQL actually means: Not Only SQL.
- Reality sets in: Many stories about disasters with
NoSQL systems, and the rewrite using MySQL or Postgres.
- ACID: MongoDB has added optional (!) ACID transactions.
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