jacktengg commented on code in PR #47462:
URL: https://github.com/apache/doris/pull/47462#discussion_r1967180659
##########
be/src/pipeline/pipeline_fragment_context.cpp:
##########
@@ -181,7 +183,17 @@ void PipelineFragmentContext::cancel(const Status reason) {
}
// Timeout is a special error code, we need print current stack to debug
timeout issue.
if (reason.is<ErrorCode::TIMEOUT>()) {
- LOG(WARNING) << "PipelineFragmentContext is cancelled due to timeout :
" << debug_string();
+ auto dbg_str = debug_string();
+ constexpr size_t max_log_size = 30000 - 100;
+ size_t pos = 0;
+ size_t total_size = dbg_str.size();
+ size_t tmp_size = std::min(max_log_size, total_size);
+ LOG(WARNING) << "PipelineFragmentContext is cancelled due to timeout:";
+ while (pos < total_size) {
+ tmp_size = std::min(max_log_size, total_size - pos);
+ LOG(WARNING) << "===" << std::string(dbg_str.data() + pos,
tmp_size);
Review Comment:
This log is only printed when query is timeout, to help debug possible
problems of query stuck. Can keep it for now.
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