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SirixDB is an an embeddable, bitemporal, append-only database system and event store, storing immutable lightweight snapshots. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach.
Java Collections till the last breadcrumb of memory and performance
Zero-allocation hashing for Java
Java cryptographic library that supports Argon2, bcrypt, scrypt and PBKDF2 aimed to protect passwords in databases. Easy to use by design, highly customizable, secure and portable. All the implementations follow the standards and have been reviewed to perform better in the JVM.
Geohash utitlies in java
A gulp of low latency Java
A Private Terraform Registry
Nail in the JKS coffin - Cracking passwords of private key entries in a JKS file
Java port of a concurrent trie hash map implementation from the Scala collections library
A java.util.HashMap compatible map that won't stall puts or gets when resizing
Fast & memory efficient hash tables for Java
Rolling hash functions in Java