Added FlushIndexTask to flush documents at index thread level.#2349

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balmukundblr wants to merge 2 commits intoapache:masterfrom balmukundblr:benchmark_explicit_flush

+38-1

Commits on Feb 10, 2021

Added FlushIndexTask to flush data at index thread level.
balmukundblr
committed

Commits on Mar 2, 2021

Removed commented code.Also, changed the num of thread to 8 to work with typical box.
balmukundblr
committed