Well done. We can talk about for next step which about if shadow database crashed by stress test. Maybe circuit breaker is a good idea.
------------------ Liang Zhang (John) Apache ShardingSphere & Dubbo Zhiyi Yan <[email protected]> 于2020年1月6日周一 上午10:59写道： > Hi Juan, > > Thanks! I am very glad to contribute new feature to ShardingSphere, And > it gave me a better understanding of the technical details > of ShardingSphere. > > We'll continue to improve this feature, look forward to growing together > with the community！ > > Juan Pan <[email protected]> 于2020年1月3日周五 下午6:50写道： > > > Hi Zhiyi and Yan, > > > > > > Congrats to you！Your contribution and effort made this feature a great > > progress. I am glad to see shadow database branch merged into dev branch > > owing to your nearly one month’s hard work. > > > > > > More enhancements like, shadow database for proxy, spring, orchestration > > and more integrate tests are expected to do in future. > > > > > > Hope you could enjoy this journey and learn something from it. > > > > > > Best wishes, > > Trista > > > > > > Juan Pan (Trista) > > > > Senior DBA & PPMC of Apache ShardingSphere(Incubating) > > E-mail: [email protected] > > > > > > > > > > On 12/3/2019 11:08，Zhiyi Yan<[email protected]> wrote： > > Hi ShardingSphere community, > > > > > > We are going to add a new feature - shadow database, this feature is > > designed to allow dirty data to be written to the shadow database when > > applying the online environment for pressure measurement, the relevant > > issue is : > > https://github.com/apache/incubator-shardingsphere/issues/3269 > > > > > > We want to do this through SQL parse and add router, add a tag field in > > sql, and according to this field, route to shadow database. > > > > > > Here is a simple design，and we chose the second way. because ThreadLocal > > might introduce other problems. > > > > > > > > > > > > > > Comments or Suggestions on this design are welcome! > > > > > > > > Thanks! > > -- > > > > Zhiyi Yan (Zhyee) > > Apache ShardingSphere > > > > > -- > Zhiyi Yan (Zhyee) > Apache ShardingSphere >
