https://blog.csdn.net/lijieshare/article/details/84826280
2019-09-02 18:28:27,829 [ERROR][main] 2019-09-02 18:28:27 startup error java.lang.NumberFormatException: Size must be specified as bytes (b), kibibytes (k), mebibytes (m), gibibytes (g), tebibytes (t), or pebibytes(p). E.g. 50b, 100k, or 250m.
Failed to parse byte string: -53215232B
解决方法，下面的配置改为0
<!--
off heap for merge/order/group/limit 1开启 0关闭
-->
<property name="useOffHeapForMerge">0</property>