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OceanBase Database

SQL - V4.3.0

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    V$OB_COMPACTION_SUGGESTIONS

    Last Updated:2026-04-15 08:30:02  Updated
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    Purpose

    The V$OB_COMPACTION_SUGGESTIONS view displays the suggestions on compactions.

    Note

    This view is introduced since OceanBase Database V4.0.0.

    Columns

    Column Type Nullable? Description
    SVR_IP varchar(46) NO The IP address of the server.
    SVR_PORT bigint(20) NO The port number of the server.
    TENANT_ID bigint(20) NO The ID of the tenant.
    TYPE varchar(64) NO The compaction type. Valid values:
    • MDS_TABLE_MERGE: Persists system metadata to disk in SSTable format.
    • MAJOR_MERGE: Tenant-level compaction.
    • MEDIUM_MERGE: Partition-level compaction.
    • MINI_MERGE: Mini Compaction that converts MemTables into Mini SSTables.
    • MINOR_MERGE: Minor Compaction that merges multiple Mini SSTables into a new Mini SSTable, or merges multiple Mini SSTables with a Minor SSTable into a new Minor SSTable.
    • META_MAJOR_MERGE: A special compaction type that merges data before a specified time point into a Meta Major SSTable. The data format is the same as that of a Major SSTable, but it does not contain multi-version data or uncommitted transaction data.
    LS_ID bigint(20) NO The ID of the log stream.
    TABLET_ID bigint(20) NO The ID of the tablet.
    START_TIME timestamp(6) NO The start time.
    FINISH_TIME timestamp(6) NO The end time.
    SUGGESTION varchar(1024) NO The suggestions.

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