reference/performance: add the follower read doc#1675

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lilin90 merged 15 commits into

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junlan-zhang:add-follower-read-doc

Dec 4, 2019

Commits on Nov 13, 2019

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Merge remote-tracking branch 'upstream/master'
junlan-zhang
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Merge remote-tracking branch 'upstream/master'
junlan-zhang
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reference/performace: improve wording
junlan-zhang
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Commits on Dec 4, 2019