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Archive for 6月, 2020

关于Disk file operation IO的一个案例分析

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Tags: aix truss, disk file operation io
Posted in Oracle Database 19c, Oracle rdbms on 6月 19, 2020 | There are currently No Comments

Polardb系列–初体验

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Tags: pg_ctl, polardb
Posted in PolarDB on 6月 13, 2020 | There are currently No Comments

Oceanbase系列之–关于oceanbase 2.2的几个最你造吗

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Tags: ERROR-00600: internal error code, pctfree, pctused
Posted in OceanBase on 6月 9, 2020 | There are currently No Comments

Oceanbase系列之–查询转换(很牛B)

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Tags: filter, hash join anti join, hash outer join, hash semi join, subplan scan
Posted in OceanBase, 性能优化 on 6月 6, 2020 | There are currently No Comments

Oceanbase系列之–索引&分区索引测试

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Posted in OceanBase, 体系结构 on 6月 6, 2020 | There are currently No Comments

Oceanbase系列之–2.2版本分区裁剪增强

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Tags: COMPRESS FOR ARCHIVE, ob_enable_trace_log, oceanbase 2.2 partition
Posted in OceanBase, 体系结构 on 6月 6, 2020 | There are currently No Comments

Oceanbase系列之–二级分区测试

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Tags: error ob_log_file_store, ERROR-00600: internal error code, is_reconfirm_role_change_or_sync_timeout_, Not implemented feature, oceanbase partition
Posted in OceanBase, 体系结构 on 6月 5, 2020 | There are currently No Comments