ZOOKEEPER-3373:need change description for "Single System Image" guarantee in document #931
Conversation
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funny story, I just changed some MD documents, why checks faild? |
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@maoling yes, it is quite misleading. see https://stackoverflow.com/questions/40797443/how-zookeeper-guarantees-single-system-image. That is why I made this pull request |
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I agree the original statement is not very clear, but instead of changing it, how about actually clarify it with this: A client will see the same view of the service regardless of the server that it connects to, and a client will never see an older view of the system even if the client fails over to a different server with the same session. |
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@hanm "A client will see the same view of the service regardless of the server that it connects to" sounds like "A client will see the same view of the service regardless of the server that it connects to at the first time", IMO |
Clarifying it is better than changing it, WDYT? @Kabike Can we move on? |
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@maoling What should I do to move on? |
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@Kabike
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…rantee in document In website, "Single System Image" is "A client will see the same view of the service regardless of the server that it connects to." I want to change it to "Once connected, a client will see the same view of the service even if it switchs to another server" Because the old one is a little misleading, if cluster has a outdated follower and a normal follower, I do not think a client will see the same view of the service regardless of the server that it connects to at its first connection. Author: 数组越界 <ihavenoemail@163.com> Reviewers: maoling <maoling199210191@sina.com>, Andor Molnár <andor@apache.org>, Michael Han <hanm@apache.org> Closes apache#931 from kabike/ZOOKEEPER-3373
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It is very misleading |
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@Michealwwx can you please tell us more ? |
…rantee in document In website, "Single System Image" is "A client will see the same view of the service regardless of the server that it connects to." I want to change it to "Once connected, a client will see the same view of the service even if it switchs to another server" Because the old one is a little misleading, if cluster has a outdated follower and a normal follower, I do not think a client will see the same view of the service regardless of the server that it connects to at its first connection. Author: 数组越界 <ihavenoemail@163.com> Reviewers: maoling <maoling199210191@sina.com>, Andor Molnár <andor@apache.org>, Michael Han <hanm@apache.org> Closes apache#931 from kabike/ZOOKEEPER-3373
…rantee in document In website, "Single System Image" is "A client will see the same view of the service regardless of the server that it connects to." I want to change it to "Once connected, a client will see the same view of the service even if it switchs to another server" Because the old one is a little misleading, if cluster has a outdated follower and a normal follower, I do not think a client will see the same view of the service regardless of the server that it connects to at its first connection. Author: 数组越界 <ihavenoemail@163.com> Reviewers: maoling <maoling199210191@sina.com>, Andor Molnár <andor@apache.org>, Michael Han <hanm@apache.org> Closes apache#931 from kabike/ZOOKEEPER-3373
In website, "Single System Image" is "A client will see the same view of the service regardless of the server that it connects to."
I want to change it to "Once connected, a client will see the same view of the service even if it switchs to another server"
Because the old one is a little misleading, if cluster has a outdated follower and a normal follower, I do not think a client will see the same view of the service regardless of the server that it connects to at its first connection.