AI Data Storage Engine
How Force Merge Compaction Nearly Doubled Milvus Search QPS

How Force Merge Compaction Nearly Doubled Milvus Search QPS

7/1/2026 · Jack Li

What this post added

Introduces and details the 'Force Merge Compaction' feature for Milvus. Explains its mechanism for consolidating small segments into larger ones, contrasting it with standard compaction. Provides experimental results demonstrating significant search QPS improvements (76%-87%) and latency reduction on a 1 million vector dataset. Outlines the conditions under which Force Merge is beneficial and when to avoid it, emphasizing its role as a maintenance action for static, read-heavy collections.

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