org.corfudb.runtime.view

Class ConservativeFailureHandlerPolicy

java.lang.Object

org.corfudb.runtime.view.ConservativeFailureHandlerPolicy

All Implemented Interfaces:

IReconfigurationHandlerPolicy

public class ConservativeFailureHandlerPolicy
extends Object
implements IReconfigurationHandlerPolicy

Conserves the failures.

Created by zlokhandwala on 11/21/16.

Constructor Summary

Constructors

Constructor and Description
ConservativeFailureHandlerPolicy()

Method Summary

Modifier and Type	Method and Description
Layout	generateLayout(Layout originalLayout, CorfuRuntime corfuRuntime, Set<String> failedNodes, Set<String> healedNodes) Modifies the layout by marking the failed nodes as unresponsive but still keeping them in the layout and sequencer servers lists.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ConservativeFailureHandlerPolicy

public ConservativeFailureHandlerPolicy()

Method Detail

generateLayout

public Layout generateLayout(Layout originalLayout,
                             CorfuRuntime corfuRuntime,
                             Set<String> failedNodes,
                             Set<String> healedNodes)

Modifies the layout by marking the failed nodes as unresponsive but still keeping them in the layout and sequencer servers lists. Removes these failed nodes from the log unit segments.

Specified by:

generateLayout in interface IReconfigurationHandlerPolicy

Parameters:

originalLayout - Original Layout which needs to be modified.

corfuRuntime - Connected runtime to attach to the new layout.

failedNodes - Set of all failed/defected servers.

healedNodes - Set of all healed/responsive servers.

Returns:

The new and modified layout.