实现 实现 leveldb中的布隆过滤器实现较为简单,以goleveldb为例,有关的代码在filter/bloom.go中。 定义如下,bloom过滤器只是一个int数字。 type bloomFilter int 创建一个布隆过滤器时,只需要指定为每个key分配的位数即可,如结论2所示,只要该值(m/n)大于1.44即可,一般可...
Example Unsupported Options Ignoring unknown options RocksDB Options File Format In RocksDB 4.3, we add a set of features that makes managing RocksDB options easier. Each Ro...
Option String Options map Find the supported options in option string and option map Users pass options to RocksDB through Options class. Other than setting options in the Opti...
参考文献 参考文献 Alfred V. Aho, John E. Hopcroft, and Jeffrey D. Ullman: Data Structures and Algorithms. Addison-Wesley, 1983. ISBN: 978-0-201-00023-8 Thomas H. Cormen, Charles E. ...
Ledger What is a Ledger? Ledgers, Facts, and States The Ledger World State Blockchain Blocks Transactions World State database options Example Ledger: Basic Asset Transfer ...