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WuYunlong authored
This commit deals with manual failover as well as non-manual failover. We did tests with manual failover as follows: 1, Setup redis cluster which holds 16 partions, each having only 1 corresponding replica. 2, Write a batch of data to redis cluster and make sure the redis is doing a active expire in serverCron. 3, Do a manual failover sequentially to each partions with a time interval of 3 minutes. 4, Collect logs and do some computaiton work. The result: case avgTime maxTime minTime C1 95.8ms 227ms 25ms C2 47.9ms 96ms 12ms C3 12.6ms 27ms 7ms Explanation case C1: All nodes use the version before optimization case C2: Masters use the elder version while replicas use the optimized version case C3: All nodes use the optimized version failover time: The time between when replica got a `manual failover request` and when it `won the failover election`. avgTime: average failover time maxTime: maximum failover time minTime: mimimum failover time ms: millisecond Co-authored-by:chendq8 <c.d_q@163.com>
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