helm安装使用外置mysql5.7，zadig-zadig-dex服务启动报错failed to initialize storage: failed to perform migrations: migration 1 statement 1 failed: Error 1709: Index column size too large. The maximum column size is 767 bytes.

安装相关
1

zadig-zadig-dex服务启动报错failed to initialize storage: failed to perform migrations: migration 1 statement 1 failed: Error 1709: Index column size too large. The maximum column size is 767 bytes.

2

mysql配置已开启innodb_large_prefix=true

3

dex是开源组件，排查可以参考下：

image
image1490×1234 115 KB