什么是Reactor（projectreactor.io）积压？

Question

许多Reactor调度员允许您指定＆＃34;积压＆＃34;，例如：

SingleThreadDispatcher(int backlog)

ThreadPoolExecutorDispatcher(int poolSize, int backlog)

我发现some documentation说：

reactor.dispatchers.threadPoolExecutor.type = threadPoolExecutor
reactor.dispatchers.threadPoolExecutor.size = 0
# Backlog is how many Task objects to warm up internally
reactor.dispatchers.threadPoolExecutor.backlog = 1024

有人可以帮助我理解这意味着什么，以及什么是合理的价值？