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new c138902a0de [Fix](bug) fix the divide zero in local shuffle (#37906)
c138902a0de is described below
commit c138902a0dea538343acabff7b54cbd6010e934c
Author: HappenLee <happen...@hotmail.com>
AuthorDate: Tue Jul 16 20:37:32 2024 +0800
[Fix](bug) fix the divide zero in local shuffle (#37906)
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
```
---
be/src/pipeline/pipeline_fragment_context.cpp | 6 ++-
.../data/query_p0/limit/sql/withGroupByUnion.out | 52 ++++++++++++++++++++++
.../suites/query_p0/limit/sql/withGroupByUnion.sql | 1 +
3 files changed, 58 insertions(+), 1 deletion(-)
diff --git a/be/src/pipeline/pipeline_fragment_context.cpp
b/be/src/pipeline/pipeline_fragment_context.cpp
index 8138c7594b8..39555d3614e 100644
--- a/be/src/pipeline/pipeline_fragment_context.cpp
+++ b/be/src/pipeline/pipeline_fragment_context.cpp
@@ -884,8 +884,12 @@ Status PipelineFragmentContext::_plan_local_exchange(
}
}
+ // 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
RETURN_IF_ERROR(_plan_local_exchange(
-
_pipelines[pip_idx]->operator_xs().front()->ignore_data_hash_distribution()
+
_pipelines[pip_idx]->operator_xs().front()->ignore_data_hash_distribution() ||
+ num_buckets == 0
? _num_instances
: num_buckets,
pip_idx, _pipelines[pip_idx], bucket_seq_to_instance_idx,
diff --git a/regression-test/data/query_p0/limit/sql/withGroupByUnion.out
b/regression-test/data/query_p0/limit/sql/withGroupByUnion.out
new file mode 100644
index 00000000000..2d0e2af41c5
--- /dev/null
+++ b/regression-test/data/query_p0/limit/sql/withGroupByUnion.out
@@ -0,0 +1,52 @@
+-- This file is automatically generated. You should know what you did if you
want to edit this
+-- !withGroupByUnion --
+0 ALGERIA
+1 ALGERIA
+1 ARGENTINA
+1 BRAZIL
+1 CANADA
+1 CHINA
+1 EGYPT
+1 ETHIOPIA
+1 FRANCE
+1 GERMANY
+1 INDIA
+1 INDONESIA
+1 IRAN
+1 IRAQ
+1 JAPAN
+1 JORDAN
+1 KENYA
+1 MOROCCO
+1 MOZAMBIQUE
+1 PERU
+1 ROMANIA
+1 RUSSIA
+1 SAUDI ARABIA
+1 UNITED KINGDOM
+1 UNITED STATES
+1 VIETNAM
+2 BRAZIL
+3 CANADA
+4 EGYPT
+5 ETHIOPIA
+6 FRANCE
+7 GERMANY
+8 INDIA
+9 INDONESIA
+10 IRAN
+11 IRAQ
+12 JAPAN
+13 JORDAN
+14 KENYA
+15 MOROCCO
+16 MOZAMBIQUE
+17 PERU
+18 CHINA
+19 ROMANIA
+20 SAUDI ARABIA
+21 VIETNAM
+22 RUSSIA
+23 UNITED KINGDOM
+24 UNITED STATES
+
diff --git a/regression-test/suites/query_p0/limit/sql/withGroupByUnion.sql
b/regression-test/suites/query_p0/limit/sql/withGroupByUnion.sql
new file mode 100644
index 00000000000..b47b0d17ff2
--- /dev/null
+++ b/regression-test/suites/query_p0/limit/sql/withGroupByUnion.sql
@@ -0,0 +1 @@
+select * from (select count(a.nationkey), a.name from tpch_tiny_nation a
join[shuffle] tpch_tiny_nation b on a.name = b.name group by a.name union
select sum(c.nationkey), c.name from tpch_tiny_nation c join[shuffle]
tpch_tiny_nation d on c.name = d.name group by c.name) t order by 1,2 limit 50;
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