3 min de lectura
Ethereum: Migration from Berkeley DB to LevelDB
CRYPTOCURRENCY
Migration from Berkeley DB to LevelDB in Ethereum
In 2013, a new version of Bitcoin Core was released, which introduced several improvements, including the migration from Berkeley DB to LevelDB. At the time, the migration was seen as an opportunity to update our storage mechanism and improve overall performance.
According to the release notes from bitcoin.org, LevelDB is a fast, open-source, in-memory store that offers excellent scalability and reliability. Unlike traditional databases like Berkeley DB, which use disk I/O for operations, LevelDB stores data in memory, making it much faster and more efficient.
Why choose LevelDB?
So, why did we decide to migrate from Berkeley DB? Here are a few reasons:
- Performance: As mentioned earlier, LevelDB is significantly faster than traditional databases like Berkeley DB. This means our network can handle increased transaction volumes without experiencing performance issues.
- Scalability: LevelDB’s in-memory storage mechanism makes it easy to scale the database as more nodes join the network. We didn’t want to introduce any new complexity or dependencies that could slow down our adoption.
- Security: By moving away from a disk storage solution, we can ensure that our data is encrypted at rest and in transit, providing an additional layer of security.
Implementation
To migrate from Berkeley DB to LevelDB, we implemented the following changes:
- We replaced the Berkeley DB backend with the LevelDB database.
- We updated the
db.cfile to use the new LevelDB interface.
- We modified the
blockchain.hfile to use the new LevelDB configuration.
Benefits
The migration has had a positive impact on our network:
- Improved performance: The increased speed of data access and storage is visible in our test environments.
- Increased scalability: By migrating from Berkeley DB, we were able to handle more transactions without experiencing performance issues.
- Improved security
: Our encrypted data at rest and in transit provides an additional layer of protection against potential threats.
In conclusion, the migration from Berkeley DB to LevelDB was a successful move. We are confident that this change will continue to benefit our network as we scale and grow.
