hyunsik

Debugging

• http://www.reddit.com/r/rust/comments/3334x6/trace_a_syntax_extension_for_tracing_function/

hyunsik

• [CPU Flame Graphs] (http://www.brendangregg.com/FlameGraphs/cpuflamegraphs.html#FlameGraph)
• [perf Examples] (http://www.brendangregg.com/perf.html)

hyunsik

public interface FormatProperties {
  boolean splittable();

  boolean compressible();

  boolean seekable();

  boolean projectable();

  boolean filterable();

hyunsik

{
  "spaces": {
    "default": {
      "uri": "hdfs://localhost:8020/tajo/warehouse",
      "configs": [
        {"x": "y"},
        {"x": "y"}
      ]
    },
    "ssd1": {

hyunsik

{
  "pi": 3.141,
  "happy": true,
  "name": "Niels",
  "nothing": null,
  "answer": {
    "everything": 42
  },
  "list": [1, 0, 2],
  "object": {

hyunsik

CREATE TABLE table1 (
  f1 INT, 
  nested_field1 RECORD (
    f2 INT, 
    f3 BIGINT
  ), 
  f3 TEXT
 );

hyunsik

CREATE EXTERNAL TABLE table1 (
  title TEXT,
  name RECORD (
    first_name INT
  )
) USING JSON LOCATION '/xxx/json_Table';

hyunsik

{ "title" : "Hand of the King", "name" : { "first_name": "Eddard", "last_name": "Stark"}}
{ "title" : "Assassin", "name" : { "first_name": "Arya", "last_name": "Stark"}}
{ "title" : "Dancing Master", "name" : { "first_name": "Syrio", "last_name": "Forel"}}

hyunsik

• [Presentation materials for C++Now 2015] (https://github.com/boostcon/cppnow_presentations_2015)
• [Presentation materials for C++Now 2014] (https://github.com/boostcon/cppnow_presentations_2014)
• [Presentation materials for C++Now 2013] (https://github.com/boostcon/cppnow_presentations_2013)

hyunsik

{
  "spaces": {
    "warehouse": {
      "default": true,
      "uri": "hdfs://localhost:8020/tajo/warehouse",
      "configs": [
        {"dfs.client.read.shortcircuit": true},
        {"dfs.domain.socket.path": "/var/lib/hadoop-hdfs/..."}
      ]
    },