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一百一十八、HBase时间轴一致性:创建具有区域复制的表

IDEA2023.1.3破解,IDEA破解,IDEA 2023.1破解,最新IDEA激活码

创建具有区域复制的表

区域复制是每个表的属性。默认情况下,所有表都有REGION_REPLICATION=1,这意味着每个区域只有一个副本。您可以通过在表描述符中提供REGION_REPLICATION属性来设置和更改表的每个区域的副本数。

Shell

create 't1', 'f1', {REGION_REPLICATION => 2}

describe 't1'
for i in 1..100
put 't1', "r#{i}", 'f1:c1', i
end
flush 't1'

Java

HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(“test_table”));
htd.setRegionReplication(2);
...
admin.createTable(htd);

您还可以使用setRegionReplication()和更改表来增加,减少表的区域复制。

文章永久链接:https://tech.souyunku.com/?p=12474

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