wu-sheng opened a new issue #3072: Support upgrade backend w/o rebooting agents URL: https://github.com/apache/skywalking/issues/3072 # Support upgrade backend w/o rebooting agents 2019 - 07 - 14 ## Background SkyWalking backend version upgrade usually includes persistence structure changes, due to performance improvements or new feature added. But, today, SkyWalking agent caches service id, service instance id, and endpoint mapping cache, all of these caches are designed for reducing network/storage payload/cost. So these have to be kept. But, we realized the agents rebooting is a challenge to most end users. Because rebooting agents mean rebooting business applications, which is a limited operation in the OPS team. ## Design doc https://drive.google.com/drive/u/0/folders/1XJ_sK_k36PfEETk5qtRmnto7b2iioh5L ## Committer @kezhenxu94 ## Reviewer team @wu-sheng @ascrutae @peng-yongsheng and others who have interests.
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