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https://issues.apache.org/jira/browse/SLING-2987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13725326#comment-13725326
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Bertrand Delacretaz commented on SLING-2987:
--------------------------------------------
At revision 1508906 the hc-core bundle works again with the new design, in the
branch at
https://svn.apache.org/repos/asf/sling/branches/SLING-2987-healthcheck-redesign/hc-core
The only thing that works so far is JMX access to HealthCheck services, which
can check (combinations of) JMX attributes.
To test that, create the below 3 OSGi configurations, and 3 MBeans should be
created in the JMX console under org.apache.sling.healthcheck, one for each
HealthCheck service.
PID =
org.apache.sling.hc.impl.JmxAttributeHealthCheck.219f0ac7-7b17-465f-80dd-0b8ef9db0f86
attribute.name = LoadedClassCount
attribute.value.constraint = between 5000 and 50000
hc.name = JMX class loading
hc.tags = [jvm, classes]
mbean.name = java.lang:type=ClassLoading
PID =
org.apache.sling.hc.impl.ScriptableHealthCheck.b2505395-df47-46a9-ac8a-5e8ca77eefc9
expression = jmx.attribute('java.lang:type=ClassLoading', 'LoadedClassCount')
> 10 &&
jmx.attribute('java.lang:type=Runtime', 'ManagementSpecVersion') > 1
hc.name = Scripted example
hc.tags = [jvm, javascript]
language.extension = ecma
PID =
org.apache.sling.hc.impl.ScriptableHealthCheck.df9454a1-b774-446b-a955-a8ca1667b05d
BundleLocation = inputstream:org.apache.sling.hc.core-0.0.2-SNAPSHOT.jar
expression = osgi.inactiveBundlesCount() == 0
hc.name = Inactive OSGi bundles
hc.tags = [bundles]
language.extension = ecma
> Simplified health check services
> --------------------------------
>
> Key: SLING-2987
> URL: https://issues.apache.org/jira/browse/SLING-2987
> Project: Sling
> Issue Type: Improvement
> Components: Health Check
> Reporter: Bertrand Delacretaz
> Assignee: Bertrand Delacretaz
> Priority: Minor
>
> After some prototyping, the health check tools are ready for a rewrite that
> will make them simpler and more OSGi friendly.
> The functionality will be similar but with much less code, more focused on
> the actual use cases that have emerged during prototyping.
> The new API is being discussed on list,
> http://markmail.org/thread/i6ib7tgax4cn2sss
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