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[perfsonar-user] Limit TCP Throughput Bandwidth to 500Mb


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  • From: "Yamamoto, Miguel" <>
  • To: "" <>
  • Subject: [perfsonar-user] Limit TCP Throughput Bandwidth to 500Mb
  • Date: Tue, 12 Mar 2024 19:51:52 +0000
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Hi,

I was wondering how to limit the TCP Throughput Bandwidth of a 1G to just be 500Mb. This is what I have so far (taken from perfSonar documentation:

    {

        "name": "throughput-low-bandwidth",

        "description": "Limit throughput test bandwidth",

        "type": "jq",

        "data": {

            "script": [

                "import \"pscheduler/si\" as si;",

                "\"500M\" as $max_bandwidth",

                "| if .type == \"throughput\" and si::as_integer(.spec.bandwidth) > si::as_integer($max_bandwidth)",

                "then",

                "  \"Bandwidth is limited to \\($max_bandwidth)\"",

                "else true",

                "end"

            ]

        }

    }

 

I also tried this:

    {

        "name": "throughput-low-bandwidth",

        "description": "Limit throughput test bandwidth",

        "type": "jq",

        "data": {

            "script": [

                            "if .test.type != \"throughput\"",

                            "then true  # Don't care.",

                            "else",

                            "   if .test.spec. == true",

                            "     and (.test.spec.bandwidth == null",

                            "          or .test.spec.bandwidth > 500000000)",

                            "   then",

                            "     .task.spec.bandwidth = 500000000 change(\"Test\")",

                            "   else true end",

                            "end"

            ]

        }

    }

 

 

jq: error: syntax error, unexpected ==, expecting FORMAT or QQSTRING_START (Unix shell quoting issues?) at <top-level>, line 4:

   if .test.spec. == true

jq: error: Possibly unterminated 'if' statement at <top-level>, line 1:

if .test.type != "throughput"

jq: error: syntax error, unexpected then, expecting $end (Unix shell quoting issues?) at <top-level>, line 7:

   then


Thanks,
Miguel


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