eldenmoon opened a new pull request, #62044:
URL: https://github.com/apache/doris/pull/62044
Catch exceptions around split->process() in TimeSharingTaskExecutor and
convert them to split failure status.
This avoids worker thread termination and BE crash for cases :
```
erminate called after throwing an instance of 'doris::Exception' what():
[E-7412] assert cast err:[E-7412] Bad cast from
...
doris::vectorized::ScannerSplitRunner::process_for(std::chrono::duration<long,
std::ratio<1l, 1000000000l> >) at
/home/zcp/repo_center/doris_release/doris/be/src/vec/exec/scan/scanner_scheduler.cpp:420
10# doris::vectorized::PrioritizedSplitRunner::process() at
/home/zcp/repo_center/doris_release/doris/be/src/vec/exec/executor/time_sharing/prioritized_split_runner.cpp:104
11# doris::vectorized::TimeSharingTaskExecutor::_dispatch_thread() at
/home/zcp/repo_center/doris_release/doris/be/src/vec/exec/executor/time_sharing/time_sharing_task_executor.cpp:568
12#
```
, while keeping MEM_ALLOC_FAILED mapped to
MemoryLimitExceeded.
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