ClickHouse FAQ

文件系统 {filesystem}

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• https://kb.altinity.com/altinity-kb-setup-and-maintenance/filesystems/

Cannot modify 'add_http_cors_header' setting in readonly mode

• 用 readonly=2

• https://clickhouse.com/docs/en/operations/settings/permissions-for-queries/#readonly

• 0 — Read, Write, and Change settings queries are allowed.

• 1 — Only Read data queries are allowed.

• 2 — Read data and Change settings queries are allowed.