操作步骤
步骤1：初始化hashmap:
$ gccli -uroot
GBase client 9.5.3.17.117651. Copyright (c) 2004-2020, GBase.
All Rights
Reserved.
gbase> use vc vc1;
Query OK, 0 rows affected (Elapsed: 00:00:00.00)
gbase> initnodedatamap;
Query OK, 0 rows affected, 5 warnings (Elapsed: 00:00:01.45)
步骤2：执行数据重分布：
gbase> show variables like '%rebalanc%';
+-------------------------------------------------------+-----------+
| Variable_name
| Value
|
+-------------------------------------------------------+-----------+
| _t_gcluster_rebalance_mirror_node
| 0
|
| gcluster_load_rebalance_seed
| 5
|
| gcluster_rebalancing_concurrent_count
| 5
|
| gcluster_rebalancing_ignore_mirror
| OFF
|
| gcluster_rebalancing_immediate_recover_internal_table | OFF
|
| gcluster_rebalancing_parallel_degree
| 4
|
| gcluster_rebalancing_random_table_quick_mode
| 1
|
| gcluster_rebalancing_step
| 100000000 |
| gcluster_rebalancing_update_status_on_drop_table
| ON
|
+-------------------------------------------------------+-----------+
9 rows in set (Elapsed: 00:00:00.24)
gbase> rebalance instance;
Query OK, 2 rows affected (Elapsed: 00:00:01.45)
查看rebalance 状态：
gbase> select index_name, status, percentage
from
gclusterdb.rebalancing_status;
+------------+-----------+------------+
| index_name | status
| percentage |
+------------+-----------+------------+
| demo.t
| COMPLETED |
100 |
| demo.tt
| COMPLETED |
100 |
+------------+-----------+------------+
2 rows in set (Elapsed: 00:00:00.04)
gbase> quit
Bye