[jira] [Created] (SLING-5195) HeartbeatHandler should check for topology changes independently of long-during session.saves

[Stefan Egli (JIRA)]

Stefan Egli created SLING-5195:
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             Summary: HeartbeatHandler should check for topology changes 
independently of long-during session.saves
                 Key: SLING-5195
                 URL: https://issues.apache.org/jira/browse/SLING-5195
             Project: Sling
          Issue Type: Bug
    Affects Versions: Discovery Impl 1.1.8
            Reporter: Stefan Egli
            Assignee: Stefan Egli
             Fix For: Discovery Impl 1.1.10


When running discovery.impl in a DocumentNodeStore cluster that is under heavy 
load and thus produces large delays, the HeartbeatHandler can sometimes be 
blocked in session.save for non-trivial amounts of time - longer than the 
heartbeat timeout for example. This has the effect that both the 
{{lastHeartbeat}} property is no longer updated but also that the topology is 
not checked and updated towards the listeners. These two facts should be 
separated within the HeartbeatHandler though.



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