fuziye01 opened a new issue #1052:
URL: https://github.com/apache/servicecomb-service-center/issues/1052
问题描述：
在并发量高的情况下，会报如下错误
create service failed {"error": "timed out while checking out a connection
from connection pool}
问题原因：
原因是go mongo driver的默认最大连接数量为100
解决方法：
新增配置项registry.mongo.cluster.maxPoolSize，把该参数设置为可以配置的，默认设置为1000
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