docs: add Redis Cluster key prefix documentation #6615
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Explain that for Redis Cluster, the database number in the URL is used
as a key prefix (format {N}) rather than for actual database selection,
since Redis Cluster only supports database 0. This allows multiple
JuiceFS file systems to share a single Redis Cluster.
Closes #6585
jiefenghuang
approved these changes
Jan 19, 2026
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Summary
{N}format) rather than for actual database selectionTest plan
pkg/meta/redis.go)Closes #6585