s3u

Channel = [
{
"creationDate": "Tue May 22 2012 17:23:11 GMT+0530 (IST)",
"id": "2642",
"lcn": "17",
"logo": "627",
"name": "ETV Marathi",
"valid": "1"
},
{

s3u

yum groupinstall "Development Tools"
yum install expat-devel
yum install openssl openssl-devel
yum install expat expat-devel

# Download node
cd <node dir>
configure
make
sudo make install

s3u

var http = require('http');
var assert = require('assert');

var options = {
  method: 'GET',
  port: 3000,
  host: '127.0.0.1',
  path: '/'
};

s3u

var http = require('http'),
    EventEmitter = require('events').EventEmitter;

var emitter = new EventEmitter();

var server = http.createServer(function (req, res, proxy) {
    emitter.on('done', function (e) {
        if(e) {
            res.writeHead(502);
            res.end();

s3u

A table in the tables dir

create table parse.response
    on select get from 'http://maps.googleapis.com/maps/api/geocode/json?sensor=true&address={^address}'
        using patch 'parse-response.js'

Patch in the same dir

// args.body would be an array of buffers

exports['parse response'] = function(args) {

s3u

create table foo 
    on insert post to 'uri'
          using bodyTemplate... type ...
          with part ... 

insert into foo (...) values (...)
   with part "{req.part[0]}";
update bar ...
   with part "{req.part[0]}";

insert into foo values "{req.body}";

s3u

User Defined Functions

A user-defined function is a Javascript function that can be used in where clauses and columns clauses.

UDFs in the Where Clause

When specified in the where clause, a UDF can apply custom logic to filter out or re-shape a row from a data set.

s3u

a1 = [{
    "name": "Brand-A",
    "ns": "df",
    "aspectValue" : [{ "name": "Gap"},
                     {"name": "Addidas"}, 
                     {"name": "Gravati"}] 
  },
  {
    "name": "Brand-B",
    "ns": "df",

s3u

var cluster = require('cluster');
var http = require('http');
var numCPUs = require('os').cpus().length;
var numReqs = 0;

if(cluster.isMaster) {
    // Fork workers.
    for(var i = 0; i < numCPUs; i++) {
        var worker = cluster.fork();
        worker.on('message', function (msg) {

s3u

~> siege -c 100 -t 2m http://localhost:3030
** SIEGE 2.70
** Preparing 100 concurrent users for battle.
The server is now under siege...
Lifting the server siege...      done.
Transactions:		     4366377 hits
Availability:		      100.00 %
Elapsed time:		      119.26 secs
Data transferred:	       49.97 MB
Response time:		        0.00 secs