Kirill Tkalenko created IGNITE-17232:
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Summary: Optimization of DeltaFilePageStore: write new pages
directly to FilePageStore
Key: IGNITE-17232
URL: https://issues.apache.org/jira/browse/IGNITE-17232
Project: Ignite
Issue Type: Improvement
Reporter: Kirill Tkalenko
Fix For: 3.0.0-alpha6
When creating class 1 at checkpoint, we sort the list of all dirty pages in the
partition by ID, write to disk the sorted list of IDs (for ID binary lookup),
the contents of the dirty pages, and the current ID of the page allocations.
I propose to optimize this a bit. In class 1, store only changes in existing
pages, and write all new pages immediately to class 1, so we will reduce the
work for the merger (it will need to write less to the main partition file) and
the sorted list of pages will be smaller.
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