Battle of the Connection Pools | Trust IV
The simplest thing to change about your connection pool is its size. If there aren't enough connections to go around, then users have to queue until a connection becomes available (many connection pools don't actually use queues - they support "queue barging" for efficiency reasons - but that's another story). However, that didn't seem to be the problem, at least most of the time. The connection pool was configured with 200 connections, and normally there were only 5-10 in use at a time. However, occasionally we'd see the number of connections shoot up to 200, with a corresponding drop in performance.
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