Update README.md

pull/2/head
Louis Chatriot 12 years ago
parent e622db40b3
commit f3e3b3c0d3
  1. 12
      README.md

@ -30,7 +30,7 @@ You can use NeDB as an in-memory only datastore or as a persistent datastore. On
* `filename` (optional): path to the file where the data is persisted. If left blank, the datastore is automatically considered in-memory only. * `filename` (optional): path to the file where the data is persisted. If left blank, the datastore is automatically considered in-memory only.
* `inMemoryOnly` (optional, defaults to false): as the name implies. * `inMemoryOnly` (optional, defaults to false): as the name implies.
* `pipeline` (optional, defaults to false): use pipelining. This is an experimental feature that speeds up writes (about 2x) but can sometime increase read times. * `pipeline` (optional, defaults to false): use pipelining. This is an experimental feature that speeds up writes (about 2x) but can sometime increase read times. You probably shouldn't use it yet.
```javascript ```javascript
// In-memory only datastore // In-memory only datastore
@ -331,11 +331,11 @@ db.insert({ somefield: 'nedb' }, function (err) {
**NeDB is not intended to be a replacement of large-scale databases such as MongoDB!** Its goal is to provide you with a clean and easy way to query data and persist it to disk, for web applications that do not need lots of concurrent connections, for example a <a href="https://github.com/louischatriot/braindead-ci" target="_blank">continuous integration and deployment server</a> and desktop applications built with <a href="https://github.com/rogerwang/node-webkit" target="_blank">Node Webkit</a>. **NeDB is not intended to be a replacement of large-scale databases such as MongoDB!** Its goal is to provide you with a clean and easy way to query data and persist it to disk, for web applications that do not need lots of concurrent connections, for example a <a href="https://github.com/louischatriot/braindead-ci" target="_blank">continuous integration and deployment server</a> and desktop applications built with <a href="https://github.com/rogerwang/node-webkit" target="_blank">Node Webkit</a>.
As such, it was not designed for speed. That said, it is still pretty fast on the expected datasets, especially if you use indexing. On my machine (3 years old, no SSD), with a collection As such, it was not designed for speed. That said, it is still pretty fast on the expected datasets, especially if you use indexing. On my machine (3 years old, no SSD), with a collection
containing 10,000 documents, with indexing: containing 10,000 documents, with indexing and no pipelining:
* Insert: 6,180 ops/s * Insert: **6,180 ops/s**
* Find: 42,370 ops/s * Find: **42,370 ops/s**
* Update: 4,730 ops/s * Update: **4,730 ops/s**
* Remove: 3,750 ops/s * Remove: **3,750 ops/s**
You can run the simple benchmarks I use by executing the scripts in the `benchmarks` folder. Run them with the `--help` flag to see how they work. You can run the simple benchmarks I use by executing the scripts in the `benchmarks` folder. Run them with the `--help` flag to see how they work.

Loading…
Cancel
Save