Hesela / Structured knowledge

Storage Knowledge Corpus

Storage definitions, connected to their evidence.

1060 terms · Page 36 of 36

A-Z

  1. Term

    Zone map (min-max index)

    A zone map is a per-region summary of column-value bounds that lets a reader skip regions that cannot satisfy a query predicate.

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  2. Term

    Zone Reset

    Zone Reset makes an eligible sequential zone empty for reuse, returns its write pointer to the zone start and invalidates access to its previous data.

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  3. Term

    Zone write locking

    A Linux mechanism that serializes covered write requests to the same sequential zone using a per-zone lock.

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  4. Term

    Zone write plugging

    A Linux block-layer mechanism that queues covered writes per sequential zone before dispatch to preserve the issuer's sequential write pattern.

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  5. Term

    Zone write pointer

    A zone write pointer identifies the next writable logical block address in a sequential zone when its current state makes that pointer valid.

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  6. Term

    Zoned block device (ZBD)

    A zoned block device exposes a logical block address space divided into zones with zone-specific access rules.

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  7. Term

    Zoned namespace

    A zoned namespace is an NVMe namespace whose logical address space follows the ZNS command set's zone organization and write constraints.

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  8. Term

    Zoned namespaces (ZNS)

    Zoned Namespaces (ZNS) is an NVMe command set that organizes a namespace into zones with sequential-write constraints and explicit reset before reuse.

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  9. Term

    Zstandard

    Zstandard is a lossless compression format and codec that stores data in frames with optional external dictionaries and content checksums.

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  10. Term

    Zstandard dictionary ID

    A Zstandard dictionary ID is a numeric label used to select and check the external dictionary expected by a compressed frame.

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