About OTC CatchUp

Note OTC CatchUps are weekly informal sessions involving project showcases and technical discussions. They are held every Saturday from 10:30 PM IST. Join in!.
For all summaries, please visit catchup.ourtech.community/summary.

OTC CatchUp #100

Date: 08-10-2022

Duration: 9 hrs 48 mins

Topics Discussed

  • We completed OTC CatchUps for 100 consecutive weeks 🥳

  • Anil Harwani shared the github.com/esnet/iperf repository which is a measurement of TCP, UDP and SCTP network bandwidth.

  • Anil Harwani explained how a packet travels from the network card to application. "Path of a packet in the Linux kernel stack" explains it in-depth.

  • Anil Harwani shared how DPDK (Data plane development kit) handles the networking in most mainframes.

  • Anil Harwani showed us some of the lesser known Linux commands.

    • lscpu - lscpu gathers CPU architecture information sysfs, /proc/cpuinfo and any applicable architecture-specific libraries (e.g. Librtas on PowerPC).

    • w - w displays the information about the users currently on the machine, and their processes.

    • wall - wall displays a message, or the contents of a file, or otherwise its standard input, on the terminals of all currently logged in users.

  • Anil Harwani spoke about jumbo frames which makes transmission fasters as the frame size are bigger which in turn takes less time to process.

  • Anil Harwani shared how a workaround in Linux Kernel was hurting modern AMD’s performance.

  • Anil Harwani showed how screen command in Linux helps him in his workflow.

    • screen command in Linux provides the ability to launch and use multiple shell sessions from a single ssh session.

  • Harsh Kapadia shared Missing semester by MIT which is a course to learn the basics of Linux and networking.

  • We watched a funny video where an old finance minister of India talks about Tech and the Cloud.

  • Sreekaran Srinath pointed out an issue with '/' at the end of the CatchUp summary page.

  • Sreekaran Srinath, Darshan Rander, Pratik Thakare and Kartik Soneji voted, discussed, argued, and decided on contracting a multimillion-dollar corporation to deliver heat-sterilized dough and cheese discs with an industry-standard pipeline. Optimized the landing cost to area ratio of aforementioned discs.

Projects Showcased

  • Harsh Kapadia showcased his "Socket Programming: Measuring RTT and Throughput of a network connection" where he is measuring RTT and throughput using Java for his college assignment.

Meet Screenshot

Meet #100 screenshot

Note For all summaries, please visit catchup.ourtech.community/summary.

We rise by lifting others.
— Robert Ingersoll
Kindness always wins.
— Selena Gomez
Alone we can do so little; together we can do so much.
— Helen Keller