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                                            Allen

Expunge big segment with oversize deletePct caused by continuously updating a batch of data

I had a problem with the tiered merge policy. As I continuously updated a batch of data over time and time, then I got a lot of segments with 4.9G...

Expunge big segment with oversize deletePct caused by continuously updating a batch of data

> This PR is mixing a force-merge-specific setting with natural merges. > > Can you give more context about the problem that you are trying to solve? Is setting `deletesPctAllowed`...

Expunge big segment with oversize deletePct caused by continuously updating a batch of data

> If you look at `BaseMergePolicyTestCase` and `TestTieredMergePolicy`, we actually have tests that simulate merges in order to verify that things like the maximum percentage of deletes work correctly (see...