[GitHub] [druid] liran-funaro commented on pull request #10001: Optimizing incremental-index ingestion using off-heap key/value map (OakMap)

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liran-funaro commented on pull request #10001:
URL: https://github.com/apache/druid/pull/10001#issuecomment-641602050


   Hi @jihoonson, @leventov, @gianm, @ebortnik, @b-slim, and @jon-wei.
   Since you had an interest in our previous discussions regarding `OakIncrementalIndex`, we wanted to update you that our new and improved implementation (presented in this PR) reduces Druid's **CPU** and **RAM** consumption by over **50%** during the ingestion process. This translates to nearly **double** the system's ingestion-throughput with the same CPU and RAM budget. Please check out this PR and its related issue (#9967), as well as our detailed [system-level experiments](https://github.com/liran-funaro/druid/wiki/Evaluation).


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