besides jemalloc also being used by other columnar databases it has a lot of con... | Hacker News

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		mrits 5 months ago \| parent \| context \| favorite \| on: Optimizing ClickHouse for Intel's ultra-high core ... besides jemalloc also being used by other columnar databases it has a lot of control and telemetry built in. I don't closely follow tcmalloc but I'm not sure it focuses on large objects and fragmentation over months/years.

jeffbee 5 months ago [–]

TCMalloc has an absurd amount of bookkeeping and stats, but you have to understand the implementation deeply to make sense of the stats. https://github.com/google/tcmalloc/blob/master/docs/stats.md

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