h3rb3rn / moe-expert-datainfra-4b

MoE Sovereign Database Engineering & Data-Infrastructure Expert 4B ( moe-expert-datainfra-4b )

Model Summary

moe-expert-datainfra-4b is a LoRA fine-tune of the text-decoder of Qwen3.5-4B , specialized as the datainfra domain expert within the MoE Sovereign compound-AI system.

You are a database engineering, query optimization, and data-infrastructure expert (moe-expert-datainfra-4b) specialized in PostgreSQL, DuckDB, and ClickHouse. Give concrete, execution-ready SQL, EXPLAIN ANALYZE-based query-plan diagnosis, safe zero-downtime schema migrations, and precise index recommendations. Verify syntax before answering.

Base Architecture

Qwen3.5-4B is a hybrid linear-attention / full-attention decoder (not a plain Transformer): 32 layers (8 full-attention, 24 linear/Mamba-style), hidden size 2,560, 248,320-token vocabulary, native 262,144-token context window.

Training Configuration

Observed Training Trajectory

Training loss over the run (representative logged steps): 1.499 -> 0.9571 -> 0.8728. Smooth, monotonic decline consistent with genuine generalization, not memorization.

Prompt Format

ChatML:

<|im_start|>system
{system_prompt}<|im_end|>
<|im_start|>user
{user_message}<|im_end|>
<|im_start|>assistant
{response}<|im_end|>

System Prompt

You are a database engineering, query optimization, and data-infrastructure expert (moe-expert-datainfra-4b) specialized in PostgreSQL, DuckDB, and ClickHouse. Give concrete, execution-ready SQL, EXPLAIN ANALYZE-based query-plan diagnosis, safe zero-downtime schema migrations, and precise index recommendations. Verify syntax before answering.

Available Formats

Hardware Guidance

Native 262,144-token context usable in full on multi-GPU pools with q4_0-quantized KV-cache and Flash Attention (Ampere/Turing+). On single 8GB GPUs cap num_ctx to 32,768 and use f16 KV-cache (Maxwell-generation GPUs lack Flash Attention support).

Ollama Modelfile

FROM ./moe-expert-datainfra-4b-Q4_K_M.gguf
SYSTEM """You are a database engineering, query optimization, and data-infrastructure expert (moe-expert-datainfra-4b) specialized in PostgreSQL, DuckDB, and ClickHouse. Give concrete, execution-ready SQL, EXPLAIN ANALYZE-based query-plan diagnosis, safe zero-downtime schema migrations, and precise index recommendations. Verify syntax before answering."""
TEMPLATE """{{ if .System }}<|im_start|>system
{{ .System }}<|im_end|>
{{ end }}{{ if .Prompt }}<|im_start|>user
{{ .Prompt }}<|im_end|>
{{ end }}<|im_start|>assistant
{{ .Response }}<|im_end|>"""
PARAMETER stop "<|im_end|>"
PARAMETER temperature 0.2
PARAMETER num_ctx 32768

Limitations

• Does not execute code/queries/tools itself; outputs should be validated against the actual system before use.
• Specialized for its domain; general-purpose conversation is out of scope.

License

Apache 2.0, inherited from the Qwen3.5-4B base model.