Hi, On Thu, Feb 28, 2013 at 11:55 PM, Ian Boston <i...@tfd.co.uk> wrote: > Are there plans to expose kernel stats from Oak ?
Yes, see OAK-364 [1]. Though so far we haven't yet implemented anything along these lines. One related idea I was already thinking about implementing is exposing cache statistics [2] from the Guava caches we're using at the MicroKernel level. > The Jackrabbit ObservationDispatcher has a queue that contains a > AtomicInteger indicating the size of the queue. If Observers are slow > in responding to asynchronous notifications the queue can grow > rapidly. This actually is an area that won't be an issue with Oak, as instead of using a centralized queue from where events are pushed to observers we're allowing each observer to generate events by comparing successive repository revisions at their own pace. Thus one slow observer will only block itself. Of course there are other areas where such metrics will still be highly useful. [1] https://issues.apache.org/jira/browse/OAK-364 [2] http://code.google.com/p/guava-libraries/wiki/CachesExplained#Statistics BR, Jukka Zitting
