exiddis::master::LoadBalancer::LoadBalancer Class Reference

List of all members.

Public Member Functions
def	__init__
def	parseData
def	balance
def	deleteWorker
def	calculateStats
Public Attributes
	parent
	minLoad
	loadRatio
	load

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Detailed Description

Provide load-balancing capabilities for Master server application.

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Member Function Documentation

def exiddis::master::LoadBalancer::LoadBalancer::__init__	(		self,
			parent
	)

Create new instance of LoadBalancer class.

Keyword parameters:
parent - reference to parent object (e.g. MasterServer class instance)

def exiddis::master::LoadBalancer::LoadBalancer::balance

(

self

)

Detect unbalance in the system and attempt to level it by taking one sequence from most loaded worker.

def exiddis::master::LoadBalancer::LoadBalancer::calculateStats

(

self

)

Calculate statistics of load level in the system.

Return map with following values:
'minWorker' - id of worker which have the lowest load-level in the system
'minValue'  - load-level of minWorker
'maxWorker' - id of worker which have the highest load-level in the system
'maxValue'  - load-level of maxWorker

def exiddis::master::LoadBalancer::LoadBalancer::deleteWorker	(		self,
			id
	)

Remove worker from own balance calculations.

Keyword parameters:
id - id of worker to be deleted

def exiddis::master::LoadBalancer::LoadBalancer::parseData	(		self,
			wid,
			data
	)

Parse data provided by worker's load-meter.

Keyword parameters:
wid  - worker server id
data - data provided by worker (e.g. map of load levels for each sequence served by given worker)

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The documentation for this class was generated from the following file:

• exiddis/master/LoadBalancer.py