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Merge pull request #76 from Kerollmops/update-readme

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@ -22,15 +22,21 @@ MeiliDB will be a binary in a near future so you will be able to use it as a dat
## Performances
_These information are outdated (October 2018) and will be updated soon_
With a database composed of _100 353_ documents with _352_ attributes each and _90_ of them indexed.
So nearly _9 million_ fields indexed for _35 million_ stored we can handle more than _1.2k req/sec_ on an Intel i7-7700 (8) @ 4.2GHz.
We made some tests on remote machines and found that MeiliDB easily handles a dataset of near 280k products, on a $5/month server with a single vCPU and 1GB of RAM, running the same index, with a simple query:
Requests are made using [wrk](https://github.com/wg/wrk) and scripted to generate real users queries.
- near 190 concurrent users with an average response time of 90ms
- 150 concurrent users with an average response time of 70ms
- 100 concurrent users with an average response time of 45ms
Servers were located in Amsterdam and tests were made between two different locations.
```
Running 10s test @ http://localhost:2230
2 threads and 12 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 18.86ms 49.39ms 614.89ms 95.23%
Req/Sec 620.41 59.53 790.00 65.00%
12359 requests in 10.00s, 3.26MB read
Requests/sec: 1235.54
Transfer/sec: 334.22KB
```
### Notes
@ -43,14 +49,12 @@ MeiliDB runs with an index like most search engines.
So to test the library you can create one by indexing a simple csv file.
```bash
cargo run --release --example create-database -- test.mdb misc/kaggle.csv
cargo run --release --example create-database -- test.mdb misc/kaggle.csv --schema schema-example.toml --stop-words misc/fr.stopwords.txt
```
Once the command is executed, the index should be in the `test.mdb` folder.
You are now able to run the `query-database` example and play with MeiliDB.
Once the command is executed, the index should be in the `test.mdb` folder. You are now able to run the `query-database` example and play with MeiliDB.
```bash
cargo run --release --example query-database -- test.mdb
cargo run --release --example query-database -- test.mdb -n 10 id title
```