Doris插入数据卡顿，排查日志发现报错信息如下：
第一个报错：
java.util.concurrent.compietibnException: java.lang.Run
ve, 13343's backend 13483 does not exist or not alive
第二个报错：
2024-07-26 08:41:46,838 WARN (STATS FETCH 51238) [StmtExecutor execut
0:25291 failed te run internal so.: onginstatementiomginstmt!'SELECT* FROM "default cluster
column statistics wHERE "id-0--1-TABLE COMMEN
