请教两个问题 1.Postgresql bytea 字段保存byte数组，在不断的追加更新后，表膨胀的非常厉害，这个问题有什么好的解决办法么，服务器环境(windows server2008) 2. 时序数据，在磁盘随机读能力比较低的情况下，单机，3000个测量点，每个测量点30种指标，每5秒产生一个数据，1天约几千万(之前每天几亿,稀释后减少到几千万)，按测量点、指标类型、时间区间查询使用TimeScale也测试过，分区表都试验过，Brin 索引和Btree索引都测试过，拉到内存的数据查询速-阿里云开发者社区

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请教两个问题 1.Postgresql bytea 字段保存byte数组，在不断的追加更新后，表膨胀的非常厉害，这个问题有什么好的解决办法么，服务器环境(windows server2008) 2. 时序数据，在磁盘随机读能力比较低的情况下，单机，3000个测量点，每个测量点30种指标，每5秒产生一个数据，1天约几千万(之前每天几亿,稀释后减少到几千万)，按测量点、指标类型、时间区间查询使用TimeScale也测试过，分区表都试验过，Brin 索引和Btree索引都测试过，拉到内存的数据查询速

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2019-01-27 17:49:45

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2019-07-17 23:27:05

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