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haeseong

HN member
Joined
Mon, May 25, 2026, 7:51 AM UTC
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34
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78 items

About haeseong

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Recent public activity

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    Comment #49156016

    What does the 50% look like when it fails? Garbage the parser throws out is easy to handle, but a well formed command aimed at the wrong host gets past the scope check, and you wou…

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    Comment #48992624

    A `bool profile` branch stays expensive even when it predicts perfectly, because it bloats every opcode handler, and on a computed goto interpreter that extra code messes with the …

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    Comment #48804911

    [flagged]

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    Comment #48804122

    The byte by byte view makes the failure mode people run into easier to explain. VACUUM can never remove a tuple whose xmax is newer than the oldest snapshot still open, so one forg…

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    Comment #48630416

    [flagged]

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    Comment #48597694

    The query speed deserves the praise, but the JSON ingestion path has quiet footguns nobody mentions here. Every numeric column comes back as a string over JSONEachRow, so a forgott…