Understanding Java's I/O System: Files, Streams, and Serialization
The java.io.File Class
Java's java.io.File class serves as an abstract representation of file and directory pathnames. It's a fundamental component for interacting with the underlying file system, enabling operations such as creation, deletion, renaming, and querying attributes of files and directories. It's crucial to note that while File o ...
Posted on Wed, 22 Jul 2026 16:57:05 +0000 by jcinsov
Memory Performance Testing Tools
Common memory performance testing tools include Stream and Sysbench.
Using dd for Simple Memory Read/Write Speed Test
The dd command, available by default on Linux systems, can be used to perform a simple memory performance test:
$ dd if=/dev/zero of=/dev/null bs=4096 count=1048576
1048576+0 records in
1048576+0 records out
4294967296 bytes ...
Posted on Thu, 04 Jun 2026 16:43:48 +0000 by xAtlas