Dsx 1.5.0 Online

| Issue ID | Description | Workaround | |----------|-------------|-------------| | DSX-4521 | Git integration fails with self-signed SSL certificates | Manually import CA cert into JVM truststore | | DSX-4788 | Data Refinery times out on files >5GB | Use Spark notebook instead; patch in 1.5.1 | | DSX-4912 | Kernel fails to start when user has >500 HDFS files | Increase kernel_proxy_timeout in config.yaml | | DSX-5023 | Automated testing for R kernels broken after upgrade | Reinstall R kernel spec: jupyter kernelspec install R |

| Workload | DSX 1.4.3 | DSX 1.5.0 | Improvement | |----------|-----------|-----------|--------------| | Data ingestion (100GB CSV) | 4 min 22 sec | 2 min 58 sec | 32% faster | | ML training (Random Forest on 10M rows) | 12 min 10 sec | 7 min 45 sec | 36% faster | | Concurrent users (50 users, 10 notebooks each) | System degraded at 60% CPU | Stable at 85% CPU | Better multi-tenancy | | Model deployment API latency (p95) | 340 ms | 210 ms | 38% lower latency | dsx 1.5.0

| Layer | Components | |-------|-------------| | | DSX Web Console, JupyterLab, RStudio | | Control Plane | IBM IAM, Project Service, Catalog Service | | Data Plane | Spark Cluster (YARN/Kubernetes), HDFS, Cloud Object Storage (S3-compatible) | | Metadata Store | PostgreSQL (for projects, jobs, permissions) | | Logging & Monitoring | ELK Stack (Elasticsearch, Logstash, Kibana) embedded | | Issue ID | Description | Workaround |

This article provides an exhaustive analysis of DSX 1.5.0, covering its core architecture, new features, upgrade paths, security enhancements, and why this specific version became a gold standard for collaborative data science. Before diving into version 1.5.0, it is essential to contextualize the platform. IBM Data Science Experience (DSX) is an enterprise-grade, interactive, collaborative environment that allows data scientists, data engineers, and developers to work together using a variety of tools (R, Python, Scala) and open-source frameworks (TensorFlow, Spark, scikit-learn). 5GB | Use Spark notebook instead