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---
AWSTemplateFormatVersion: '2010-09-09'
Description: 'Cloudformation stack to manage permission to deploy a serverless service'
Parameters:
ServiceName:
Description: Name of the Service you want to deploy
Type: String
ServiceName2:
Description: Name of the 2nd Service you want to deploy
@charity
charity / kafka-snippets
Created May 17, 2016 23:32
kafka snippets updated to work w ubuntu 12.04 and kafka 0.9
#!/bin/bash -xe
# requires jq 1.5 (or at least > 1.3) and kafkacat
PATH=$PATH:/usr/lib/kafka/bin
topic="hound-staging.retriever-mutation"
which kafkacat || echo 'no kafkacat found, bye!' && exit 1
which jq || echo 'no jq found, bye!' && exit 1
# make sure jq is v 1.5
@Jacoby6000
Jacoby6000 / gist:3b24d8397491c0f92cb4
Last active August 29, 2015 14:16
Scala extension methods
object Implicits {
implicit class PimpedString(str: String) {
def everyNthChar(skipNum: Int) = (for (i <- 0 until str.length if i%skipNum==0) yield str(i)).mkString
//Other methods I want strings to have go here
}
implicit class PimpedInt(int: Int){
//Other methods I want ints to have do here
}
}
@garlandkr
garlandkr / cw_get_loadavg.py
Created October 16, 2014 20:34
Get load_avg from Cloudwatch
import boto
import datetime
cw = boto.connect_cloudwatch()
instance_id = boto.utils.get_instance_metadata()['instance-id']
now = datetime.datetime.utcnow()
start_time = now - datetime.timedelta(days=1)
namespace = "System"
@elben
elben / README.md
Last active May 8, 2016 12:40
Using core.async for Producer-consumer Systems

Using core.async for Producer-consumer Systems

# Set up input file
repeat 10000 echo "." >> input

# Run inline
time lein run inline < input > output

# Run async
location /webhook/17cbb307-94ec-446b-a17b-ab82594c974c {
if ($request_method != 'POST') {
return 405;
}
content_by_lua 'ngx.print(io.popen("/path/to/script.sh"):read("*a"))';
}
@jkreps
jkreps / benchmark-commands.txt
Last active September 15, 2024 11:37
Kafka Benchmark Commands
Producer
Setup
bin/kafka-topics.sh --zookeeper esv4-hcl197.grid.linkedin.com:2181 --create --topic test-rep-one --partitions 6 --replication-factor 1
bin/kafka-topics.sh --zookeeper esv4-hcl197.grid.linkedin.com:2181 --create --topic test --partitions 6 --replication-factor 3
Single thread, no replication
bin/kafka-run-class.sh org.apache.kafka.clients.tools.ProducerPerformance test7 50000000 100 -1 acks=1 bootstrap.servers=esv4-hcl198.grid.linkedin.com:9092 buffer.memory=67108864 batch.size=8196
@jszmajda
jszmajda / 1readme.md
Last active September 3, 2022 18:33
Data Serialization: JSON, MsgPack, ProtoBufs
@trevnorris
trevnorris / perf-flame-graph-notes.md
Last active December 24, 2023 05:25
Quick steps of how to create a flame graph using perf

The prep-script.sh will setup the latest Node and install the latest perf version on your Linux box.

When you want to generate the flame graph, run the following (folder locations taken from install script):

sudo sysctl kernel.kptr_restrict=0
# May also have to do the following:
# (additional reading http://unix.stackexchange.com/questions/14227/do-i-need-root-admin-permissions-to-run-userspace-perf-tool-perf-events-ar )
sudo sysctl kernel.perf_event_paranoid=0

Reciprocal Needs in the Employment Relation

We can look at two sides of the management coin: What do the individuals get out of it? And what benefit does the whole system derive from it?

I will disregard any benefits that accrue to managers just by holding the position of managing. Those are just circular logic. Circular logic abounds in discussions of management and hierarchy. For example, consider status reports. It will be said that status reports are necessary so managers know what their employees are working on. It’s