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crypto/x509: reduce memory usage when parsing system root certs? #26731

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bradfitz opened this issue Aug 1, 2018 · 0 comments
Open

crypto/x509: reduce memory usage when parsing system root certs? #26731

bradfitz opened this issue Aug 1, 2018 · 0 comments
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NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. Performance
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Unplanned

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@bradfitz
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bradfitz commented Aug 1, 2018

I noticed that loading the x509 system roots and parsing their certificates on Linux takes 526kB of memory.

(by making an HTTPS request for the side-effect of loading them: https://play.golang.org/p/re1rB_Ui1nS then hitting pprof)

I suspect have common subfields that might be able to share memory? Or does our super transparent representation preclude that?

GitHub won't let me upload an SVG, so:
screen shot 2018-07-31 at 7 30 03 pm

/cc @FiloSottile
@bradfitz bradfitz added this to the Unplanned milestone Aug 1, 2018
@ALTree ALTree added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Oct 12, 2020
@FiloSottile FiloSottile mentioned this issue May 20, 2021
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