[Feat] Benchmark with Criterion

Cargo.toml

@@ -38,3 +38,11 @@ uuid = { version = "0.8", features = ["serde", "v4"] }
 use = "0.0.1-pre.0"
 
 [target.'cfg(target_os = "linux")']
+
+[dev-dependencies]
+criterion = { version = "0.5.1", features = ["html_reports"] }
+
+[[bench]]
+name = "velarixdb"
+harness = false
+path = "bench/benchmark.rs"

bench/benchmark.rs

@@ -0,0 +1,28 @@
+use criterion::{criterion_group, criterion_main, Criterion};
+use tempfile::tempdir;
+use tokio::runtime;
+use velarixdb::db::DataStore;
+
+// Not sure if this is the best way to implement benchmark for async ops but
+// for now it LGTM (logically), review is accepted!
+fn insert_many(c: &mut Criterion) {
+    let root = tempdir().unwrap();
+    let path = root.path().join("default");
+    let rt = runtime::Runtime::new().unwrap();
+    let mut store = { rt.block_on(async { DataStore::open("benchmark", path).await.unwrap() }) };
+    c.bench_function("insert_many", |b| {
+        b.iter(|| {
+            rt.block_on(async {
+                for e in 1..=3000 {
+                    let e = e.to_string();
+                    store.put(&e, &e).await.unwrap();
+                }
+            });
+        });
+    });
+}
+
+
+
+criterion_group!(benches, insert_many);
+criterion_main!(benches);