praveev

# Settings in the [build] context are global and are applied to all contexts
# unless otherwise overridden by more specific contexts.
[build]
  # Directory to change to before starting a build.
  # This is where we will look for package.json/.nvmrc/etc.
  base = ""

  # Directory (relative to root of your repo) that contains the deploy-ready
  # HTML files and assets generated by the build. If a base directory has
  # been specified, include it in the publish directory path.

praveev

Description

Please include a summary of the change and why this is needed.

• [Design Document](paste URL here or delete)
• [Jira Ticket](paste URL here or delete)

Type of change

Please delete options that are not relevant.

praveev

***************
Total duration: 352693ns
DBB write time -> 86.0ns
DBB select time -> 737.0ns
DBB total c++ time -> 1032.0ns
***************
Total duration: 27173ns
Unsafe write time -> 79.0ns
Unsafe select time -> 738.0ns
Unsafe total c++ time -> 932.0ns

praveev

t1 = DistCpSensor(
    task_id='sensor',
    lookback=2,
    distcp_dao=distcp_dao,
    source_conn=source_conn,
    parent_paths=['/tmp/testAirflowDistCp'],
    timeout=12*60*60,
    dag=dag)

def run_distcp_on_each(*args, **kwargs):

praveev

Traceback (most recent call last):
  File "/home/y/lib/python2.7/site-packages/flask/app.py", line 1817, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/y/lib/python2.7/site-packages/flask/app.py", line 1477, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/y/lib/python2.7/site-packages/flask/app.py", line 1381, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/y/lib/python2.7/site-packages/flask/app.py", line 1475, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/y/lib/python2.7/site-packages/flask/app.py", line 1461, in dispatch_request

praveev

{
  "spec" : {
    "dataSchema" : {
      "dataSource" : "website",
      "parser" : {
        "type" : "string",
        "parseSpec" : {
          "format" : "csv",
          "timestampSpec" : {
            "column" : "timestamp",

praveev

{
  "type" : "index_hadoop",
  "id" : "index_hadoop_wikipedia_partition_2016-03-07T02:43:12.977Z",
  "spec" : {
    "dataSchema" : {
      "dataSource" : "wikipedia_partition",
      "parser" : {
        "type" : "string",
        "parseSpec" : {
          "format" : "json",

praveev

io.druid.indexing.worker.executor.ExecutorLifecycle - Running with task: {
  "type" : "index_hadoop",
  "id" : "index_hadoop_wikipedia_partition_2016-03-07T02:43:12.977Z",
  "spec" : {
    "dataSchema" : {
      "dataSource" : "wikipedia_partition",
      "parser" : {
        "type" : "string",
        "parseSpec" : {
          "format" : "json",

praveev

How to design a system where you send instructions to an appliance like sonos or nest from your phone
===============

I am an iOS engineer and have just recently started doing side projects that required me to build products end-to-end (backend + serving/middle tier + front end). During one such exercise I wondered how to design a system where you send instructions to an appliance like sonos or nest from your phone. 

How are such systems designed? I am looking to learn how to architect and build such systems.
For instance: What database would you choose to store the device information, user information and user-device relationship? 

The flow of information I am thinking is of the following: