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对于分片集群，请问predixy是否存在切换连接分片的方式 #175

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zoutao0909 opened this issue Aug 7, 2023 · 3 comments
Open

对于分片集群，请问predixy是否存在切换连接分片的方式 #175

zoutao0909 opened this issue Aug 7, 2023 · 3 comments

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@zoutao0909
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通过predixy可以使用scan命令扫库，但是只能取到当前连接的某一个分片的数据，不能获取到整个分片集群的所有分片的所有数据，但是又没办法切换分片，请问这种情况下，有什么办法获取分片集群的所有数据吗，像这种分片集群部署在内网的情况，通过部署predixy的方式对外暴露服务，predixy存在切换连接分片的功能吗，不然的话在数据迁移的场景下，不管是通过psync还是通过scan方式都没办法准确拿到分片集群完整的数据，请问这种场景在使用predixy的情况下您这边有对应的解决办法吗
@caojiajun
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你不能绕过proxy去scan后端实际的redis节点吗？

@zoutao0909
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多谢回复！直连当然没问题，我只是想问问predixy是否会有这种场景支持。想多了解一下predixy。

@fortrue
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fortrue commented Oct 30, 2023

Predixy一直都支持直接scan整个后端Redis集群

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@fortrue @caojiajun @zoutao0909