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[VL] Deprecate memory over-acquiring #7384
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Run Gluten Clickhouse CI |
Q97 OOM test is failing when turning over-acquire off, should investigate link: log:
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The root cause should be that: Velox estimates and reserves some memory before real allocation, but the reserved memory size is too small. |
As Velox is getting stabler on spill-to-disk, we will start to remove memory over-acquiring (introduced since #2321) to improve Gluten's memory utilization.
This is the part one to set over-acquire ratio to 0.