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Add counters for lifetime total queued and dequeued items #147
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| % public API | ||
| -export([new/1, queue/2, dequeue/1, dequeue/2, close/1, item_count/1, size/1]). | ||
| -export([new/1, queue/2, queue/3, dequeue/1, dequeue/2, close/1, item_count/1, size/1, total_in/1, total_out/1, total_held/1]). |
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May be wrap this to fit 80 (at least) line right margin?
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Here need some tests to make sure that it counts right. |
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This PR enables a work queue to keep a running total of all the work that's ever been added to it, queryable through the functions
total_in/1,total_out/1, andtotal_held/1. Additionally, aqueue(Wq, Item, CountsAs)function-clause has been added and exported, which enables a single queue-item to be counted as an arbitrary number of work-items from the perspective of the running total counters. This allows for the ability to track the total number of individual work-items processed, even when queuing and dequeuing are done in "chunks" of items, as is done incouch_index_updater.COUCHDB-2955
BugzID: 14036