Commits on Jul 22, 2022

1. Increase max ConsumerWorkService block size to 256 …

   As suggested in #813. This has a few
   minor effects on consumers:
   
    * A low single-digit % throughput gain
    * A comparable reduction in mean consumer latency
   
   In general, it makes sense that consumers operating at peak throughput
   should run operations in blocks close to the QoS prefetch used.
   Since we usually recommend a value of 100-300 for environments that
   focus on throughput, the new default of 256 makes sense.
   
   The only negative effect I can think of a slightly higher GC pressure
   which can increase variability of the aforementioned metrics.

   

   michaelklishin committed Jul 22, 2022
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