
Worked on the ytsaurus/ytsaurus-k8s-operator repository to deliver two core features over two months, focusing on Kubernetes operator development and system configuration using Go and YAML. Developed tablet node tag filtering by extending the BundleBootstrapSpec and implementing bootstrap-time logic, enabling granular assignment of tablet nodes to bundles for improved resource isolation and deployment reliability. Later, added Nvidia GPU support for containerized jobs by integrating nvidia-container-runtime, updating job container entrypoints with GpuAgent, and configuring CRI runtime options and exec node specifications. These contributions enhanced the operator’s ability to manage both resource allocation and GPU-accelerated workloads within Kubernetes clusters.
September 2025 monthly summary focusing on delivering Nvidia GPU support for containerized jobs in the ytsaurus-k8s-operator. Implemented GPU acceleration path by integrating Nvidia CUDA runtime, updating the entrypoint for job containers with GpuAgent, and adjusting CRI runtime options and exec node specs to enable Nvidia GPUs for container workloads. This work completed the GPU-enabled execution path and positions the operator to run CUDA-enabled workloads on GPU nodes across Kubernetes clusters.
September 2025 monthly summary focusing on delivering Nvidia GPU support for containerized jobs in the ytsaurus-k8s-operator. Implemented GPU acceleration path by integrating Nvidia CUDA runtime, updating the entrypoint for job containers with GpuAgent, and adjusting CRI runtime options and exec node specs to enable Nvidia GPUs for container workloads. This work completed the GPU-enabled execution path and positions the operator to run CUDA-enabled workloads on GPU nodes across Kubernetes clusters.
March 2025 highlights: Delivered Tablet Node Tag Filtering for bundle bootstrap in ytsaurus/ytsaurus-k8s-operator by extending BundleBootstrapSpec with NodeTagFilter and implementing bootstrap-time logic to apply the filter on the YTsaurus cluster. This enables granular control over tablet-node assignment to bundles, improving resource isolation, deployment reliability, and predictability. The change is associated with commit 4d734d9a9d6f57cba3bdfb31269a661561add5ee (tablet node tag filter for bundles in bootstrap). Impact includes reduced cross-bundle interference and improved capacity planning.
March 2025 highlights: Delivered Tablet Node Tag Filtering for bundle bootstrap in ytsaurus/ytsaurus-k8s-operator by extending BundleBootstrapSpec with NodeTagFilter and implementing bootstrap-time logic to apply the filter on the YTsaurus cluster. This enables granular control over tablet-node assignment to bundles, improving resource isolation, deployment reliability, and predictability. The change is associated with commit 4d734d9a9d6f57cba3bdfb31269a661561add5ee (tablet node tag filter for bundles in bootstrap). Impact includes reduced cross-bundle interference and improved capacity planning.

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