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Notices by Drahflow (drahflow@infosec.exchange)

  1. Embed this notice
    Drahflow (drahflow@infosec.exchange)'s status on Friday, 17-Oct-2025 08:33:36 JST Drahflow Drahflow
    in reply to
    • ✧✦Catherine✦✧

    @whitequark As people noted, the data is a bit thin, maybe throw some k6, siege or ab traffic at it?
    But (assuming it's impossible to get better data):
    * You have some weird latency going on already between frontend and backend (_sometimes_ BE is <10ms, yet corresponding FE is >50ms). If it's the same machine, I'd check CPU and I/O load, if not, network overload between them?
    * During a latency spike there are _no_ fast requests. Likely they all blocked on the same resource. You could verify this by checking the request logs and see if they all completed at nearly the same time (but started differently).
    * If this is still static-from-S3, maybe consider https://docs.aws.amazon.com/AmazonS3/latest/userguide/optimizing-performance-guidelines.html#optimizing-performance-guidelines-retry and just fire of every request to S3 a bunch of times and take the earliest answer.

    In conversation about 11 months ago from infosec.exchange permalink

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      Performance guidelines for Amazon S3 - Amazon Simple Storage Service
      Describes Amazon S3 performance guidelines.
  2. Embed this notice
    Drahflow (drahflow@infosec.exchange)'s status on Thursday, 08-Dec-2022 00:04:38 JST Drahflow Drahflow

    Current goal: Generate a few .html/.js files.

    Current state: The C++ build inside qemu is finally progressing, after fortran libraries were updated.

    #work

    In conversation Thursday, 08-Dec-2022 00:04:38 JST from infosec.exchange permalink

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    Drahflow

    IT-centric version of @drahflow

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