Eric Semeniuc esemeniuc

## duplicate_packets.nft
#!/usr/sbin/nft -f

# see https://unix.stackexchange.com/questions/740061/how-do-you-duplicate-all-udp-traffic-on-a-port-range-using-nftables/

# sends all duplicated packets to 10.0.0.1
# run this before applying this file
# sudo ip addr add 10.0.0.1/24 dev lo

# clean up with
# sudo ip addr delete 10.0.0.1/24 dev lo

## nats.md

      
              1 file
            
          
              0 forks
            
          
              0 comments
            
          
              0 stars
            
          
                esemeniuc
                / nats.md
            
            
              Last active
              January 23, 2023 19:30
            
              
                Async vs sync nats
              
          
    System:
Ryzen 7 5900X, 64GB ram, linux 5.15, Nats server 2.9.10 in docker
All results tested in release mode, rustc 1.66.0
Async

async-nats 0.26, tokio 1.14

total time spent (micro secs): 176134
avg (micro secs): 1761


## benchmark_clone.rs
/* results on 24 threads, Linux, Ryzen 5900X, 64GB RAM, rust 1.66 release mode
pubkey generation cost 13.703447ms
filling up 8 channels cost 1.299627336s
insert on thread_5 cost 204.928433ms
insert on thread_2 cost 202.868308ms
insert on thread_4 cost 219.480851ms
insert on thread_0 cost 213.074428ms
insert on thread_6 cost 213.296481ms
insert on thread_3 cost 234.825416ms
insert on thread_1 cost 218.522672ms

## gist:90761d81b035a045288b48619a800e34
[{
  "address": "16v7w7fKBcw1aJiHae6Ma9rgUQG6MQvgNa",
  "balance": 2551004338039
},
{
  "address": "16v7w7fKBcw1aJiHae6Ma9rgUQG6MQvgNa",
  "balance": "a"
}]

## gist:6184e16ffa17d20f9121e5acad52e44f

      
              1 file
            
          
              0 forks
            
          
              0 comments
            
          
              0 stars
            
          
                esemeniuc
                / gist:6184e16ffa17d20f9121e5acad52e44f
            
            
              Created
              August 7, 2021 14:38
            
          
    Chat with Maria

Employee at Musicly first
Launched tiktok in US + EU with 10-15 person team
Current Startup

Wants to connect with the influence market
Idea: livestreaming app. There are struggles for ppl with ~10k follower count. No contact from brand
Example: Korean skin care. There are influencers who have small audiences with very high conversion rates, deep knowledge
Looking to pay with stickers, coins, targeting the beauty vertical

  
## Dockerfile
FROM ubuntu:xenial
WORKDIR /root
EXPOSE 1084 1055 2325

#Ports in use:
#panel 1084
#flexlm 1055
#interconnect 2325

RUN apt update && apt install -y wget lsb-core libfreetype6 libxext6 libsm6 libxrender1 libfontconfig1 && rm -rf /var/lib/apt/lists/*;

## red5-server.sh
#!/bin/sh
#
# Copyright (c) 2007 Javier Fernandez-Sanguino <jfs@debian.org>
#
# This is free software; you may redistribute it and/or modify
# it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2,
# or (at your option) any later version.
#
# This is distributed in the hope that it will be useful, but
	#!/usr/sbin/nft -f

	# see https://unix.stackexchange.com/questions/740061/how-do-you-duplicate-all-udp-traffic-on-a-port-range-using-nftables/

	# sends all duplicated packets to 10.0.0.1
	# run this before applying this file
	# sudo ip addr add 10.0.0.1/24 dev lo

	# clean up with
	# sudo ip addr delete 10.0.0.1/24 dev lo
	/* results on 24 threads, Linux, Ryzen 5900X, 64GB RAM, rust 1.66 release mode
	pubkey generation cost 13.703447ms
	filling up 8 channels cost 1.299627336s
	insert on thread_5 cost 204.928433ms
	insert on thread_2 cost 202.868308ms
	insert on thread_4 cost 219.480851ms
	insert on thread_0 cost 213.074428ms
	insert on thread_6 cost 213.296481ms
	insert on thread_3 cost 234.825416ms
	insert on thread_1 cost 218.522672ms
	[{
	"address": "16v7w7fKBcw1aJiHae6Ma9rgUQG6MQvgNa",
	"balance": 2551004338039
	},
	{
	"address": "16v7w7fKBcw1aJiHae6Ma9rgUQG6MQvgNa",
	"balance": "a"
	}]
	FROM ubuntu:xenial
	WORKDIR /root
	EXPOSE 1084 1055 2325

	#Ports in use:
	#panel 1084
	#flexlm 1055
	#interconnect 2325

	RUN apt update && apt install -y wget lsb-core libfreetype6 libxext6 libsm6 libxrender1 libfontconfig1 && rm -rf /var/lib/apt/lists/*;
	#!/bin/sh
	#
	# Copyright (c) 2007 Javier Fernandez-Sanguino <jfs@debian.org>
	#
	# This is free software; you may redistribute it and/or modify
	# it under the terms of the GNU General Public License as
	# published by the Free Software Foundation; either version 2,
	# or (at your option) any later version.
	#
	# This is distributed in the hope that it will be useful, but