HappenLee opened a new pull request, #37906:
URL: https://github.com/apache/doris/pull/37906
## Proposed changes
if 'num_buckets == 0' means the fragment is colocated by exchange node not
the
scan node. so here use `_num_instance` to replace the `num_buckets` to
prevent dividing 0
still keep colocate plan after local shuffle
`coredump`:
```
SIGFPE integer divide by zero (@0x56431791a54a) received by PID 33673 (TID
37768 OR 0x7f8028018640) from PID 395421002; stack trace: ***
0# doris::signal::(anonymous namespace)::FailureSignalHandler(int,
siginfo_t*, void*) at
/home/zcp/repo_center/doris_branch-3.0/doris/be/src/common/signal_handler.h:421
1# PosixSignals::chained_handler(int, siginfo*, void*) [clone .part.0] in
/usr/lib/jvm/java-17-openjdk-amd64/lib/server/libjvm.so
2# JVM_handle_linux_signal in
/usr/lib/jvm/java-17-openjdk-amd64/lib/server/libjvm.so
3# 0x00007F8C47895520 in /lib/x86_64-linux-gnu/libc.so.6
4# doris::vectorized::Partitioner::do_partitioning(doris::RuntimeState*,
doris::vectorized::Block*, doris::MemTracker*) const at
/home/zcp/repo_center/doris_branch-3.0/doris/be/src/vec/runtime/partitioner.cpp:50
5# doris::pipeline::ShuffleExchanger::sink(doris::RuntimeState*,
doris::vectorized::Block*, bool, doris::pipeline::LocalExchangeSinkLocalState&)
at
/home/zcp/repo_center/doris_branch-3.0/doris/be/src/pipeline/local_exchange/local_exchanger.cpp:33
6# doris::pipeline::LocalExchangeSinkOperatorX::sink(doris::RuntimeState*,
doris::vectorized::Block*, bool) in
/mnt/ssd01/doris-branch40preview/NEREIDS_ASAN/be/lib/doris_be
7# doris::pipeline::PipelineTask::execute(bool*) at
/home/zcp/repo_center/doris_branch-3.0/doris/be/src/pipeline/pipeline_task.cpp:359
8# doris::pipeline::TaskScheduler::_do_work(unsigned long) at
/home/zcp/repo_center/doris_branch-3.0/doris/be/src/pipeline/task_scheduler.cpp:138
9# doris::ThreadPool::dispatch_thread() in
/mnt/ssd01/doris-branch40preview/NEREIDS_ASAN/be/lib/doris_be
10# doris::Thread::supervise_thread(void*) at
/home/zcp/repo_center/doris_branch-3.0/doris/be/src/util/thread.cpp:499
11# start_thread at ./nptl/pthread_create.c:442
12# 0x00007F8C47979850 at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:83
```
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