RunsFor’s gists

RunsFor / lj_table_new_nhash_bench.lua

Created April 24, 2025 10:40

This gist shows benefits of table buckets preallocation

	jit.on()

	local stopwatch = require('common.stopwatch')

	local table_new = table.new

	local attempts = 20
	local keys = 100
	local results = {}
	local cached_keys = require('fun').range(keys):map(tostring):totable()

RunsFor / main.lua

Last active November 20, 2024 17:37

box.insert with exception performance

	local clock = require('clock')
	box.cfg{}
	box.schema.create_space('test', {if_not_exists = true})
	box.space.test:create_index('pk', {if_not_exists = true})
	local fiber = require('fiber')

	fiber.set_max_slice({warn = 2, err = 5})

	local function test1()
	for _ = 1, 10000 do

RunsFor / Dockerfile

Created January 21, 2021 17:03

Example on how to build static kafka module for use with static tarantool build

	FROM registry.gitlab.com/runfor/envs/centos:7-build as static-kafka

	RUN set -x \
	&& git clone --recurse-submodules https://github.com/tarantool/kafka /opt/kafka \
	&& wget -P /etc/yum.repos.d/ https://copr.fedorainfracloud.org/coprs/bgstack15/stackrpms/repo/epel-7/bgstack15-stackrpms-epel-7.repo \
	&& yum install -y tarantool tarantool-devel openssl110 zip

	WORKDIR /opt/kafka

	RUN tarantoolctl rocks STATIC_BUILD=ON make \

RunsFor / buildx-logs.txt

Created December 1, 2020 09:54

buildx daemon gets stuck when running build inside docker-build-and-push github actions action on a self-hosted runner. Sending SIGQUIT brings the following output of job logs

	SIGQUIT: quit
	2020-12-01T09:47:49.7959653Z PC=0x5584306ce761 m=0 sigcode=0
	2020-12-01T09:47:49.7960063Z
	2020-12-01T09:47:49.7960640Z goroutine 0 [idle]:
	2020-12-01T09:47:49.8033241Z runtime.futex(0x5584337f5748, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffe496451f0
	==> _diag/pages/c4cb1678-ecb3-4e21-bb85-058e90c59a98_0f1d67d0-60c4-549e-f697-f7ec7a95557a_1.log <==
	l7.noarch 152/181
	2020-12-01T09:06:36.8798438Z #6 161.8 Installing : urw-base35-z003-fonts-20170801-10.el7.noarch 153/181
	2020-12-01T09:06:38.3815517Z #6 163.3 Installing : urw-base35-nimbus-sans-fonts-20170801-10.el7.noarch 154/181
	2020-12-01T09:06:39.8826066Z #6 164.7 Installing : urw-base35-p052-fonts-20170801-10.el7.noarch 155/181

RunsFor / list_gitlab_projects.py

Created May 6, 2020 10:18

Simple python script which recursively iterates over a nested tree of subgroups and count a number of projects with shared runners option enabled

	#!/usr/bin/env python3

	import json
	import gitlab

	gl = gitlab.Gitlab('http://gitlab.com', private_token="<put your private token here>")
	GROUP_ID = '1234567890'
	total_projects_count = 0

RunsFor / ansible_fileglob.txt

Last active April 14, 2020 16:29

fileglob lookup plugin does not search playbook dir

	19:16:12 level2 [master] tree
	├── file.txt
	├── files
	│ └── file.txt
	├── hosts.yml
	├── main.yml
	└── roles
	└── lookup
	└── tasks
	└── main.yml

RunsFor / smtp.lua

Last active November 20, 2019 13:28

This snippet tests how smtp client (curl internally) handles error messages from smtp server

	#!/usr/bin/env tarantool

	local socket = require('socket')
	local log = require('log')

	local vars = {}

	local function smtp_server(s)
	s:write('220 localhost ESMTP Tarantool\r\n')
	local l

RunsFor / Kafka-segfault.txt

Created June 4, 2019 13:27

tarantool segfault when creating kafka consumer

	Tarantool 2.1.1-434-g881c7b59b
	type 'help' for interactive help
	tarantool> kafka = require'kafka'
	---
	...

	tarantool> consumer, err = kafka.Consumer.create({
	> brokers = 'localhost:9292', -- brokers for bootstrap
	> options = {
	> ["enable.auto.offset.store"] = "true",

RunsFor / tarantool_socket_receive.txt

Created April 9, 2019 10:03

This gist shows inconsistent behaviour of tarantool's socket:receive function which internally uses different buffers for different types of calls

	Tarantool 2.1.1-434-g881c7b59b
	type 'help' for interactive help
	tarantool> socket = require('socket')
	---
	...

	tarantool> fiber = require'fiber'
	---
	...

RunsFor / main.lua

Last active March 27, 2019 15:07

Count nil values in the index

	box.cfg{}
	statuses = { 'sent', 'delivered' }
	uuid = require('uuid')
	clock = require('clock')

	box.schema.create_space('fragments')
	box.space.fragments:create_index('pk')
	box.space.fragments:create_index('status', { unique = false, parts = {{3, 'string', is_nullable = true}}})

	for i =1,500000,1 do box.space.fragments:insert({i,uuid.str(), statuses[math.random(0,2)]}) end

Ilya Konyukhov RunsFor