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SQL - V4.2.0

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    oceanbase.DBA_OB_BALANCE_TASKS

    Last Updated:2023-12-08 07:13:36  Updated
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    The oceanbase.DBA_OB_BALANCE_TASKS view displays the ongoing load balancing tasks of a tenant. Each tenant can have multiple ongoing load balancing tasks, which belong to the same load balancing job.

    Note

    This view is introduced since OceanBase Database V4.2.0.

    ## Columns

    Columns

    Column
    Type
    Nullable?
    Description
    TASK_ID bigint(20) NO The ID of the load balancing task.
    CREATE_TIME timestamp(6) YES The time when the task was created.
    MODIFY_TIME timestamp(6) YES The time when the task was modified.
    TASK_TYPE varchar(64) NO The type of the task. Valid values:
    • LS_SPLIT: Split log streams to implement load balancing.
    • LS_ALTER: Modify log stream attributes to implement load balancing.
    • LS_MERGE: Merge log streams to implement load balancing.
    • LS_TRANSFER: Transfer log streams to implement load balancing.
    SRC_LS bigint(20) NO The source log stream, which is generated at the data source.
    DEST_LS bigint(20) NO The destination log stream.
    PART_LIST longtext YES The list of partitions, including user table partitions and global index partitions.
    FINISHED_PART_LIST longtext YES The list of partitions for which load balancing has been completed.
    PART_COUNT bigint(20) YES The number of partitions in the partition list.
    FINISHED_PART_COUNT bigint(20) YES The number of partitions for which load balancing has been completed.
    LS_GROUP_ID bigint(20) NO The ID of the log stream group.
    STATUS varchar(64) NO The status of the job. Valid values:
    • INIT: The task is being created.
    • CREATE_LS: A log stream is being created.
    • ALTER_LS: Log stream attributes are being modified.
    • SET_LS_MERGING: Log streams are being merged.
    • DROP_LS: A log stream is being dropped.
    • COMPLETED: The task is executed.
    • CANCELED: The task is canceled.
    PARENT_LIST varchar(1024) YES The list of parent tasks.
    CHILD_LIST varchar(1024) YES The list of subtasks.
    CURRENT_TRANSFER_TASK_ID bigint(20) NO The ID of the transfer task triggered by the current load balancing task.
    JOB_ID bigint(20) NO The ID of the job to which the current task belongs.
    COMMENT longtext YES The comment on the task.

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