Sai Kothapalle seeker815

Don't use VPN services.

No, seriously, don't. You're probably reading this because you've asked what VPN service to use, and this is the answer.

Note: The content in this post does not apply to using VPN for their intended purpose; that is, as a virtual private (internal) network. It only applies to using it as a glorified proxy, which is what every third-party "VPN provider" does.

(A Russian translation of this article can be found here, contributed by Timur Demin.)


	FILE SPACING:

	# double space a file
	sed G

	# double space a file which already has blank lines in it. Output file
	# should contain no more than one blank line between lines of text.
	sed '/^$/d;G'

	$ docker-compose up -d # start containers in background
	$ docker-compose kill # stop containers
	$ docker-compose up -d --build # force rebuild of Dockerfiles
	$ docker-compose rm # remove stopped containers
	$ docker ps # see list of running containers
	$ docker exec -ti [NAME] bash # ssh to the container

	# list all images
	docker images

	import boto3
	tagname = "Name"
	tagvalue = "Value"
	ec2 = boto3.resource('ec2')
	ec2.instances.filter(Filters=[
	{'Name': 'tag': [tagname], 'Values': [tagvalue]},
	{'Name': 'instance-state-name', 'Values': ['running']}
	]).start()

	ec2.instances.filter(Filters=[

	#!/bin/bash

	# Purpose: To run kafka Kafka Producer / Consumer benchmark for Indix cluster
	#

	export TOPIC_NAME="benchmark_2_400"
	export CLUSTER_SIZE=3
	export DRIVE_COUNT=1
	export BROKER_ADDRESS="10.181.18.63:9092"
	export ZOOKEEPER_ADDRESS="10.181.18.63:2181"

	#!/bin/bash
	#
	# Author: Ambud Sharma
	#
	# Purpose: To run kafka Kafka Producer / Consumer benchmark and create results
	#
	export NUM_RECORDS=10000000
	export TOPIC_NAME_PREFIX="perf"
	export CLUSTER_SIZE=3
	export DRIVE_COUNT=1

	Producer

	Setup
	bin/kafka-topics.sh --zookeeper localhost:2181/kafka-local --create --topic test-rep-one --partitions 6 --replication-factor 1
	bin/kafka-topics.sh --zookeeper localhost:2181/kafka-local --create --topic test-rep-two --partitions 6 --replication-factor 3

	Single thread, no replication
	bin/kafka-run-class.sh org.apache.kafka.tools.ProducerPerformance --print-metrics --topic test-rep-one --num-records 6000000 --throughput 100000 --record-size 100 --producer-props bootstrap.servers=kafka_host:9092 buffer.memory=67108864 batch.size=8196

	Single-thread, async 3x replication

	#!/bin/bash
	# trap1
	trap suicide EXIT SIGINT SIGQUIT
	suicide (){
	if [ $? -ne 0 ]; then
	echo "You hit Cntrl+c, exiting"
	fi
	exit
	}
	count=0

	#!/bin/bash
	# trap
	trap suicide SIGINT SIGHUP SIGQUIT
	suicide (){
	echo $?
	echo "You hit Cntrl+c, exiting"
	exit
	}

	<clusterMetrics>
	<appsSubmitted>183</appsSubmitted>
	<appsCompleted>181</appsCompleted>
	<appsPending>0</appsPending>
	<appsRunning>0</appsRunning>
	<appsFailed>0</appsFailed>
	<appsKilled>2</appsKilled>
	<reservedMB>0</reservedMB>
	<availableMB>0</availableMB>
	<allocatedMB>0</allocatedMB>

Sai Kothapalle seeker815

Don't use VPN services.

Why not?