Blocktime early in the day, and block big chunks of it-no less than four hours!
留出每天较早的时段，划出大块的时间——不少于四小时！
2
In this test case, the aggregated per-interval average blocktime was zero, but in Figure 12, you can observe a feature of some APM visualization tools.
Number of blocks and total blocktime: the number of instances and total elapsed time when the thread was in a BLOCKED state while invoking a method or service.