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TDengine 落地协鑫能科,数百亿数据压缩至 600GB
2022-07-26 16:01:00 【InfoQ】
企业简介
1、业务痛点
2、架构与搭建




3、效果分析

select max(pmk)-min(pmk) from aodong_109 where sid='P42100001' and sd=0 and ts>'2021-12-01 00:00:00'

select last(sv),last(st) from aodong_112 where bn='001PB0GM000002B3L0300067';

4、关于 TDengine 的一些思考
- 希望能增加动态修改参数功能,减少停机维护次数。
- 实现类似慢 SQL 日志功能,降低高负载、调优事后分析定位、回溯故障原因。
- 进一步权衡 udp 带来的好处和导致的各种问题。我们经常连接报错 Ref is not there ,目前来看在客户端添加 rpcForceTcp 1 应该是有效的。
- 增强报错信息可读性,很多报错提示不够明确,无法快速判断出具体原因。
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