300M initial build time is slower in watson than in sherlock/4.1.0

MB-21542 Initial and incremental indexing in Watson is slower than in Sherlock (FDB)

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• Closed

MB-19173 Initial and incremental build time regression for 5 indexes (fdb)

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• Closed

MB-19629 50M Incremental Index build time is (much) slower in Watson than sherlock

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• Closed

MB-16046 Regression in 2i initial index build time with 300M items.

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• Closed

MB-19600 Improve the index build time with append-only writes during initial index build even when circular-writes is the write mode for the index

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• Closed