oceanbase.DBA_OB_BALANCE_TASKS

2024-04-19 08:42:49  Updated

Purpose

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

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 task. 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 comments.

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