Apache DirectMemory

Apache DirectMemory is an off-heap cache system for the Java Virtual Machine designed to store large volumes of objects outside the heap. This approach minimizes garbage collection overhead and improves application performance. It supports both embedded and server-side caching, allowing distributed applications to share cached data efficiently. DirectMemory is ideal for high-performance, memory-sensitive Java applications.

Features

• Off-heap memory management for efficient object storage
• Multi-layered cache architecture
• Server-side caching via servlet implementation
• Support for JSON, binary, and plain text data formats
• HTTP-based API for remote cache access
• Java client API for embedded use
• Expiration control via headers and configuration

Capabilities

• Store and retrieve serialized Java objects outside JVM heap
• Reduce garbage collection impact in memory-intensive applications
• Enable remote caching for distributed systems
• Support multiple data exchange formats and protocols
• Integrate with existing Java applications via client API

Benefits

• Improves performance by offloading memory management
• Enhances scalability for large-scale Java applications
• Reduces latency in data access and processing
• Open-source and lightweight with minimal dependencies
• Flexible deployment options for embedded and remote caching