It is common to have multiple statistics values to measure a subsystem that are intended to be published together. When this is the case is most convenient to gather then up into a container class/struct and then add a {quote: StatisticsPool} member to the class so that you can use it's methods to Clear, Publish and Advance the collection of counters as a unit.
-As a general rule a statistics collection is defined by where and when the data will be gathererd rather rather than by how and where the data is published.
+Counters of type stats_entry_recent<> contain a ring buffer, so that values from the past can be discarded. The usual way to do this is to decide how long you want to keep values (the window), and how precisely you want to keep track of the time a value was added (the time quantum). The number of entries in the ring buffer becomes window/quantum, so there is a trade-off between memory used by a statistics counter and how accurately it keeps track of time.
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+As a general rule a statistics collection is defined by where and when the data will be gathered rather rather than by how and where the data is published.
If there is a need to publish the same value in more than one {quote: ClassAd} with a different name in each add, this can be accomplished by calling the Publish methods of the counters explicitly or adding the counters to the {quote: StatisticsPool} multiple times with different names.
