Nectarios Koziris

Docker-Sec: A Fully Automated Container Security Enhancement Mechanism

2018

The popularity of containers is constantly rising in the virtualization landscape, since they incur significantly less overhead than Virtual Machines, the traditional hypervisor-based counterparts, while enjoying better performance. However, containers pose significant security challenges due …

Accelerating Distributed Repartition Joins on Skewed Datasets via Patch-Based Shuffling

2025 · IEEE Access

In distributed workloads involving joins and aggregations, skewed attribute values often cause load balancing issues, leading to stragglers and increased execution times. Existing solutions often rely on cost-based models, require extensive parameter tuning, or necessitate …