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Day: September 11, 2020

南大通用GBase 8a 参数文章汇总

Posted on 2020年9月11日2022年9月7日 by laozizhu

本文只是汇总已经整理完毕的GBase 8a数据库集群参数的文章连接,文章内部包括参数的含义,默认值,用法以及使用样例等。

南大通用GBase 8a JDBC采用Prepare 方式批量提交的行数限制和gbase_buffer_insert参数

Posted on 2020年9月11日2020年11月10日 by laozizhu

南大通用GBase 8a 支持JAVA JDBC里面的预编译方式PrepareStatment 的BatchInsert, 其中的批量大小取决于是否开启了GBase JDBC驱动特殊的rewriteBatchedS tatements参数。如开启则限制是SQL的长度,如未开启则限制为gbase_buffer_insert参数的大小。

南大通用GBase 8a有节点故障离线OFFLINE后对系统的影响如何?

Posted on 2020年9月11日2022年10月26日 by laozizhu

南大通用GBase 8a数据库集群是通过主备机制实现的高可用,但有节点离线OFFLINE后,其任务必然会由备份节点接管,从理论上性能会有下降,影响程度需要根据不同情况分析。

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