https://docs.arenadata.io/en/A....DQM/current/how-to/d
You may be tempted to divide area use additional, either toreduce heap overhead (by destroying smaller arenas more often) or to reduceperceived thread-contention issues. However, using extra fine-grained arenasmay lead to unintended message copying, as we describe above. We have also spenteffort to optimize the Arena implementation for the multithreaded use-case, soa single enviornment must be appropriate to be used all through a request lifetime evenif a quantity of threads course of that request. A D