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Solution Brief

MinIO AIStor + ClickHouse: The Foundation for Your Lakehouse

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Who This is For:

Data platform engineers, infrastructure architects, and technology leaders evaluating on-premises object storage for ClickHouse Private deployments who need full S3 API compatibility, exabyte-scale durability, and sovereign data control without cloud dependency.

Key Takeaways
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AIStor implements all 400+ S3 API operations with no exceptions, competing on-prem object stores implement subsets, and the gaps surface as production failures under ClickHouse workloads and beyond.

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One of the world's largest automotive manufacturers evaluated on-prem alternatives before selecting AIStor, which now runs at 3 EB planned capacity, ingesting 6+ PiB/day at 2.2 TiB/sec throughput on their own infrastructure.

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AIStor Tables manages Apache Iceberg natively with no external metastore and no PostgreSQL dependency for catalog metadata, with ClickHouse SQL query support planned as an upcoming capability.

ClickHouse Private's SharedMergeTree engine relies on object storage as primary storage -- making the object store you choose the ceiling for your entire lakehouse deployment. This solution brief explains why MinIO AIStor is the reference object storage layer for ClickHouse Private and what incomplete S3 API coverage costs organizations running it. AIStor is the most widely deployed S3-compatible object store in the world, implementing every S3 API operation across object, bucket, multipart, versioning, replication, lifecycle, encryption, IAM, tagging, and event notification categories -- with no partial implementations or exceptions. The brief includes a comparative matrix showing where alternatives including VAST Data, Pure FlashBlade, Dell ECS, NetApp StorageGRID, and others fall short. It also covers the reference architecture for multi-site deployments, where AIStor consolidates data from distributed factory locations through active-active replication into a single namespace that ClickHouse Private queries in place via the S3 API.

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