Package org.apache.sling.discovery.oak

Class SynchronizedClocksHealthCheck

java.lang.Object
org.apache.sling.discovery.oak.SynchronizedClocksHealthCheck
All Implemented Interfaces:
org.apache.felix.hc.api.HealthCheck
public class SynchronizedClocksHealthCheck extends Object implements org.apache.felix.hc.api.HealthCheck
HealthCheck that builds on-top of DocumentNodeStore's determineServerTimeDifferenceMillis method which checks how much the local time differs from the DocumentStore's time. It then applies low- and high-water marks to that time difference:
  • if the value is higher than the high-water mark (5sec by default), then it issues a critical
  • if the value is lower than the high-water but higher than the low-water mark (1sec by default), then it issues only a warn
  • if the value is lower than the low-water mark, then it issues only an info

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected final org.slf4j.Logger
    logger
     

    Fields inherited from interface org.apache.felix.hc.api.HealthCheck

    ASYNC_CRON_EXPRESSION, ASYNC_INTERVAL_IN_SEC, KEEP_NON_OK_RESULTS_STICKY_FOR_SEC, MBEAN_NAME, NAME, RESULT_CACHE_TTL_IN_MS, TAGS

  • Constructor Summary

    Constructors
    Constructor
    Description
    SynchronizedClocksHealthCheck()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    org.apache.felix.hc.api.Result
    execute()
     

    Methods inherited from class java.lang.Object

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

  • Field Details

    • logger

      protected final org.slf4j.Logger logger

  • Constructor Details

    • SynchronizedClocksHealthCheck

      public SynchronizedClocksHealthCheck()

  • Method Details

    • execute

      public org.apache.felix.hc.api.Result execute()
      Specified by:
      execute in interface org.apache.felix.hc.api.HealthCheck