Bin Shi

PHOENIX-4925 Use a Variant Segment tree to organize Guide Post Info

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@dbwong please review this early draft. Haven't completely sorted out local index and cross region boundary condition when generating scan. Still adding unit test and integration test and trying to...

PHOENIX-4998 The estimated instance size of GuidePostsInfo doesn't co…

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…unt the last update timestamp array.

PHOENIX-4594: Perform binary search on guideposts during query compilation

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…instead of linear search for the first guide post in the first region of the targeted scan ranges. In details: 1. The aglorithm continuously decodes and loads guide posts in...

mcs, tso: create global tso state view and apply to discovery, monitoring, etc.

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### What problem does this PR solve? Issue Number: Ref #5895 ### What is changed and how does it work? ```commit-message Add registered TSO server watch loop to the TSO...