benweint’s gists

benweint / go.mod

Created December 12, 2023 06:07

Go maps vs. SQLite for very simple ops

	module github.com/benweint/sqlite-demo

	go 1.20

	require github.com/mattn/go-sqlite3 v1.14.18 // indirect

benweint / package.json

Created December 4, 2023 18:45

pnpm signal handling issue repro case

	{
	"name": "pnpm-signals",
	"private": true,
	"version": "1.0.0",
	"description": "",
	"scripts": {
	"dev": "node signals.js"
	},
	"author": "",
	"license": "ISC"

benweint / poolsim.py

Created March 11, 2023 06:02

Connection pool metastability simulation

	#!/usr/bin/env python

	import simpy
	import random
	import math
	import pandas
	import matplotlib
	import matplotlib.pyplot as plt

	# Represents a shared database instance with a fixed CPU allocation.

benweint / id_rsa.pub

Created July 2, 2019 03:31

ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDCu9eMRYwWS5Z1bLjpfPfKzuvQhKOhGX0Q7KLPOf3rkgsyZ8mJGGnKMAjpDFeH7MIjwQ1au9Gp3tc+ENbnyjHhtRDUkajTjU6odq2DYMUuGJo5JJTbUFPOrHcTn5kgDpc4a9XTT+7EHS9gC8SjGzsxqTMf1WafoaKrDH2WS3vdo91MMmsmDJorro0FjWcN1gkGlXkqqxdUuiQjY19NAEetCyoMOxnmjFI4qFF7U4L1ynHVUfGyE0XOUru1YgAOYvncNoSShkFqoln7fSPE6lLz1GBt6e5KDOhpVSRU/S5FLmFBGUg8ajG7UzokFE1QE2Oqg8KJTAF42gr5xRMIkH/D [email protected]

benweint / hs_err_pid14830.log

Created July 27, 2015 22:55

node jmx crash

	#
	# A fatal error has been detected by the Java Runtime Environment:
	#
	# SIGSEGV (0xb) at pc=0x00007f000c94109a, pid=14830, tid=139638219114368
	#
	# JRE version: 6.0_35-b35
	# Java VM: OpenJDK 64-Bit Server VM (23.25-b01 mixed mode linux-amd64 compressed oops)
	# Derivative: IcedTea6 1.13.7
	# Distribution: Ubuntu 14.04 LTS, package 6b35-1.13.7-1ubuntu0.14.04.1
	# Problematic frame:

benweint / sidekiq-sampler.rb

Created April 10, 2015 19:55

Recording Sidekiq job counts by job class and queue name to New Relic Insights

	require 'sidekiq/api'

	if File.basename($0) == 'sidekiq'

	Thread.new do
	loop do
	begin
	t0 = Time.now
	qcount = 0
	njobs = 0

benweint / db_metrics.rb

Created February 18, 2015 05:48

DB metrics broken out by host

	ActiveSupport::Notifications.subscribe('sql.active_record') do \|name, start_time, end_time, guid, opts\|
	connection_id = opts[:connection_id]
	if connection_id
	conn = ObjectSpace._id2ref(connection_id)
	if conn
	config = conn.instance_variable_get(:@config)
	if config
	host = config[:host]
	adapter = config[:adapter]
	if host && adapter

benweint / allocs.rb

Last active August 29, 2015 14:15

rbx allocation counting

	#!/usr/bin/env ruby

	def log_allocated_objects
	value = Rubinius::Metrics.data[:'memory.large.objects.total']
	puts "memory.large.objects.total = #{value}, class = #{value.class}"
	end

	loop do
	log_allocated_objects
	10000.times { Object.new }

benweint / forwardabletest.rb

Last active August 29, 2015 14:14

forwardable

	#!/usr/bin/env ruby

	require 'benchmark'
	require 'forwardable'

	class Horse
	def bark(n); end
	end

	class ForwardedHorse

benweint / results.txt

Last active August 29, 2015 14:13

rbx segv in ossl_raise

	Running "agent_only" for Envfile entry 0
	Starting tests in child PID 35877 at 2015-01-20 11:22:53 -0800
	ffi2-generators (0.1.1), json (1.8.2), metaclass (0.0.4), minitest (4.7.5), mocha (0.14.0), newrelic_rpm (3.9.9), racc (1.4.12), rack (1.4.5), rack-test (0.6.2), rb-readline (0.5.2), rubysl (2.1.0), rubysl-abbrev (2.0.4), rubysl-base64 (2.0.0), rubysl-benchmark (2.0.1), rubysl-bigdecimal (2.0.2), rubysl-cgi (2.0.1), rubysl-cgi-session (2.0.1), rubysl-cmath (2.0.0), rubysl-complex (2.0.0), rubysl-continuation (2.0.0), rubysl-coverage (2.0.3), rubysl-csv (2.0.2), rubysl-curses (2.0.1), rubysl-date (2.0.8), rubysl-delegate (2.0.1), rubysl-digest (2.0.3), rubysl-drb (2.0.1), rubysl-e2mmap (2.0.0), rubysl-english (2.0.0), rubysl-enumerator (2.0.0), rubysl-erb (2.0.2), rubysl-etc (2.0.3), rubysl-expect (2.0.0), rubysl-fcntl (2.0.4), rubysl-fiber (2.0.0), rubysl-fileutils (2.0.3), rubysl-find (2.0.1), rubysl-forwardable (2.0.1), rubysl-getoptlong (2.0.0), rubysl-gserver (2.0.0), rubysl-io-console (2.0.0), rubysl-i

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