mirror of https://github.com/apache/druid.git
4a8008aebb
This patch makes the following adjustments to enable writing larger single rows to frames: 1) RowBasedFrameWriter: Max out allocation size on the final doubling. i.e., if the final allocation "naturally" would be 1 MiB but the max frame size is 900 KiB, use 900 KiB rather than failing the 1 MiB allocation. 2) AppendableMemory: In reserveAdditional, release the last block if it is empty. This eliminates waste when a frame writer uses a successive-doubling approach to find the right allocation size. 3) ArenaMemoryAllocator: Reclaim memory from the last allocation when the last allocation is closed. Prior to these changes, a single row could be much smaller than the frame size and still fail to be added to the frame. Co-authored-by: Gian Merlino <gianmerlino@gmail.com> |
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pom.xml |