Key Concepts

Scaling services is a hard problem but operating them at the scale is even more hard problem. You need to consider the operational aspects o...

RocksDB is developed in C/C++ programming language and has a JAVA binding which provides a set of JAVA classes to access RocksDB. In a Java...

RocksDB is one of the popular open source embedded key value database used by several other popular systems. It is built based on LevelDB ...

  RocksDB Put operation creates a new record in the specified DB. RocksDB code is very flexible and has several levels of abstractions. If ...

RocksDB Get operation retrieves the record value for a given key. RocksDB code is very flexible and has several levels of abstractions. If y...

RocksDB and LevelDB has an abstraction called Env (environment) which provides an interface to access Operating system specific functions. T...

 RocksDB is one of the popular open source embedded key value database used by several other popular systems. It is a derivative of LevelDB ...

 Cassandra Out Of Memory (OOM) exceptions can cause performance impact and reduce availability.  The OOM exception is reported when Cassandr...

Cassandra compaction is a background process which merges multiple SSTables of a Column Family to one or more SSTables to improve the read p...

Cassandra Commit Log is an append only log that is used to track the mutations made to Column Families and provide durability for those muta...