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doc-exports/docs/mrs/component-operation-guide/mrs_01_1652.html
Yang, Tong 6182f91ba8 MRS component operation guide_normal 2.0.38.SP20 version 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Yang, Tong <yangtong2@huawei.com>
Co-committed-by: Yang, Tong <yangtong2@huawei.com>
2022-12-09 14:55:21 +00:00

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How Do I Delete Residual Table Names in the /hbase/table-lock Directory of ZooKeeper?

Question

In security mode, names of tables that failed to be created are unnecessarily retained in the table-lock node (default directory is /hbase/table-lock) of ZooKeeper. How do I delete these residual table names?

Answer

Perform the following steps:

  1. On the client, run the kinit command as the hbase user to obtain a security certificate.
  2. Run the hbase zkcli command to launch the ZooKeeper Command Line Interface (zkCLI).
  3. Run the ls /hbase/table command on the zkCLI to check whether the table name of the table that fails to be created exists.
    • If the table name exists, no further operation is required.
    • If the table name does not exist, run ls /hbase/table-lock to check whether the table name of the table fail to be created exist. If the table name exists, run the delete /hbase/table-lock/<table> command to delete the table name. In the delete /hbase/table-lock/<table> command, <table> indicates the residual table name.