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https://issues.apache.org/jira/browse/IGNITE-10721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16726232#comment-16726232
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Alexey Kosenchuk commented on IGNITE-10721:
-------------------------------------------

[~isapego]

In my opinion, it's not clear what is "64 most significant bits of UUID" and 
"64 least significant bits of UUID". Because what is UUID is not clarified.

As I wrote above, if UUID here is https://tools.ietf.org/html/rfc4122 then it 
should be specified how it's fields (time_low, time_mid,... and all other) are 
binary encoded here.

Or UUID here is any generic 128-bit number, not necessary RFC-4122? That should 
be clearly explained, I believe.

In any case, an example of binary encoding may help.

Also, why the current 2.7 spec is updated?
I think, such update of the spec should go into the new version.

> Documentation: Fix UUID thin client format description
> ------------------------------------------------------
>
>                 Key: IGNITE-10721
>                 URL: https://issues.apache.org/jira/browse/IGNITE-10721
>             Project: Ignite
>          Issue Type: Task
>          Components: documentation, thin client
>            Reporter: Igor Sapego
>            Assignee: Igor Sapego
>            Priority: Major
>             Fix For: 2.8
>
>
> UUID thin client format description [1] need to be fixed. The actual format 
> of the UUID should be two longs, not a single 128-bit value. Two longs 
> written in little-endian are not equal to one 128-bit number.
> [1] - 
> https://apacheignite.readme.io/docs/binary-client-protocol-data-format#section-uuid-guid-



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