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#!/usr/bin/env bash

{ # this ensures the entire script is downloaded #

nvm_has() {
  type "$1" > /dev/null 2>&1
}

if [ -z "$NVM_DIR" ]; then
  NVM_DIR="$HOME/.nvm"

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#on cluster
thrift /spark/sbin/start-thriftserver.sh --master yarn-client
#ssh tunnel, direct 10000 to unused 8157
ssh -i ~/caserta-1.pem -N -L 8157:ec2-54-221-27-21.compute-1.amazonaws.com:10000 hadoop@ec2-54-221-27-21.compute-1.amazonaws.com
#see this for JDBC config on client http://blogs.aws.amazon.com/bigdata/post/TxT7CJ0E7CRX88/Using-Amazon-EMR-with-SQL-Workbench-and-other-BI-Tools

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package main

import (
  "fmt"
  "reflect"
)

// Name of the struct tag used in examples
const tagName = "validate"

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// Copyright 2015 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

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#!/usr/bin/python
"""
Example Usage:
{{ lookup('mysql', ('1x.1xx.x.12', 'username', 'passwd', 'db_name', 'table_name', 'key_name')) }}
"""
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type

from ansible.errors import AnsibleError
from ansible.plugins.lookup import LookupBase

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package main

import (
        "fmt"
        "strings"

        "github.com/aws/aws-sdk-go/aws"
        "github.com/aws/aws-sdk-go/aws/session"
        "github.com/aws/aws-sdk-go/service/ec2"
        "github.com/aws/aws-sdk-go/aws/ec2metadata"

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# Configuration file for runtime kernel parameters.
# See sysctl.conf(5) for more information.

# See also http://www.nateware.com/linux-network-tuning-for-2013.html for
# an explanation about some of these parameters, and instructions for
# a few other tweaks outside this file.

# Protection from SYN flood attack.
net.ipv4.tcp_syncookies = 1

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Golang Job Queue

A running example of the code from:

• http://marcio.io/2015/07/handling-1-million-requests-per-minute-with-golang
• http://nesv.github.io/golang/2014/02/25/worker-queues-in-go.html

Step 1

Small refactorings made to original code:

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#https://play.golang.org/p/bGs5TPZksJ
#http://nathanleclaire.com/blog/2014/08/09/dont-get-bitten-by-pointer-vs-non-pointer-method-receivers-in-golang/
import "fmt"

type foo struct {
	name string
}

type bar struct {
	f    *foo

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➜  testing terraform apply -target=aws_db_subnet_group.rds_one
aws_vpc.main: Creating...
  cidr_block:                "" => "10.0.0.0/16"
  default_network_acl_id:    "" => "<computed>"
  default_security_group_id: "" => "<computed>"
  dhcp_options_id:           "" => "<computed>"
  enable_classiclink:        "" => "<computed>"
  enable_dns_hostnames:      "" => "true"
  enable_dns_support:        "" => "true"
  instance_tenancy:          "" => "<computed>"