update:

- Faster setup for store.set.

update:

- Benchmark for read and writes.

update:

- Benchmark reads only from disk.
- Faster and memory efficient writes.

update:

- Thread safe store.
- Compaction on disk.

update:

- Replace HashMap with BTreeMap
- Store.sstables are Arc<Mutex<Vec<SSTables>>> instead of Vec<SSTables>.

- concurrency

- disk based binary search
- Locally generated benchmark reports

Used threads to search for keys concurrently.

Added persistence via SSTables.