[jira] [Created] (RATIS-428) Phi accrual failure detector

["Vladimir Rodionov (JIRA)" <ji...@apache.org>]

Vladimir Rodionov created RATIS-428:
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             Summary: Phi accrual failure detector
                 Key: RATIS-428
                 URL: https://issues.apache.org/jira/browse/RATIS-428
             Project: Ratis
          Issue Type: Improvement
            Reporter: Vladimir Rodionov
            Assignee: Vladimir Rodionov


Failure detectors are an important piece in designing robust distributed systems. Components must be expected to fail, and the rest of the system should either continue functioning properly (ideal) or at the very least degrade gracefully instead of crashing or becoming corrupted. Because of the unreliable nature of communication over networks, however, detecting that a node has failed is a nontrivial task. The *phi accrual failure detector* is a popular choice for solving this problem, as it provides a good balance of flexibility and adaptability to different network conditions. It is used successfully in several real-world distributed systems, such as Apache Cassandra (see here) and Akka clusters (see here), and also has a Node.js implementation.



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