Class: HadoopMetrics::TaskTracker

Inherits:
Object
  • Object
show all
Includes:
API
Defined in:
lib/hadoop_metrics/task_tracker.rb

Constant Summary collapse

NODE_TYPE = 
'tt'
JSON_FILED_VALUES = 
%W(TasksInfoJson)

Constants included from API

API::GCNameMap, API::MegaByte

Instance Attribute Summary

Attributes included from API

#name

Instance Method Summary collapse

Methods included from API

#gc, #get_jmx, #initialize, #memory, #metrics, #query_jmx, #via_jmx

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class HadoopMetrics::API

Instance Method Details

#info ⇒ Object 



10
11
12
 
# File 'lib/hadoop_metrics/task_tracker.rb', line 10

def info
  query_jmx('hadoop:service=TaskTracker,name=TaskTrackerInfo', JSON_FILED_VALUES).first
end

#mapred(opts = {}) ⇒ Object 



20
21
22
23
24
 
# File 'lib/hadoop_metrics/task_tracker.rb', line 20

def mapred(opts = {})
  column = get_column(opts)
  column = HadoopMetrics.to_snake_case(column) if @snake_case
  group_by('mapred', 'tasktracker', column, get_force(opts))
end

#shuffle_output(opts = {}) ⇒ Object 



14
15
16
17
18
 
# File 'lib/hadoop_metrics/task_tracker.rb', line 14

def shuffle_output(opts = {})
  column = get_column(opts)
  column = HadoopMetrics.to_snake_case(column) if @snake_case
  group_by('mapred', 'shuffleOutput', column, get_force(opts))
end