demo of errors #5
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This function returns, potentially, a few dictionaries, and will always return one record batch. Return these as a tuple rather than putting them together in one vec to clarify.
This doesn't seem necessary
Tracked in ARROW-10961. There's a bug in tonic that doesn't handle headers and trailers correctly; it has been fixed but a new version of tonic needs to be released and used to get the fix.
Codecov Report
@@ Coverage Diff @@
## rust-flight-integration-tests #5 +/- ##
=================================================================
+ Coverage 81.91% 81.94% +0.02%
=================================================================
Files 203 203
Lines 49992 49975 -17
=================================================================
+ Hits 40952 40953 +1
+ Misses 9040 9022 -18
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From a deadlocked run... ``` #0 0x00007f8a5d48dccd in __lll_lock_wait () from /lib64/libpthread.so.0 #1 0x00007f8a5d486f05 in pthread_mutex_lock () from /lib64/libpthread.so.0 #2 0x00007f8a566e7e89 in arrow::internal::FnOnce<void ()>::FnImpl<arrow::Future<Aws::Utils::Outcome<Aws::S3::Model::ListObjectsV2Result, Aws::S3::S3Error> >::Callback<arrow::fs::(anonymous namespace)::TreeWalker::ListObjectsV2Handler> >::invoke() () from /arrow/r/check/arrow.Rcheck/arrow/libs/arrow.so #3 0x00007f8a5650efa0 in arrow::FutureImpl::AddCallback(arrow::internal::FnOnce<void ()>) () from /arrow/r/check/arrow.Rcheck/arrow/libs/arrow.so #4 0x00007f8a566e67a9 in arrow::fs::(anonymous namespace)::TreeWalker::ListObjectsV2Handler::SpawnListObjectsV2() () from /arrow/r/check/arrow.Rcheck/arrow/libs/arrow.so #5 0x00007f8a566e723f in arrow::fs::(anonymous namespace)::TreeWalker::WalkChild(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int) () from /arrow/r/check/arrow.Rcheck/arrow/libs/arrow.so apache#6 0x00007f8a566e827d in arrow::internal::FnOnce<void ()>::FnImpl<arrow::Future<Aws::Utils::Outcome<Aws::S3::Model::ListObjectsV2Result, Aws::S3::S3Error> >::Callback<arrow::fs::(anonymous namespace)::TreeWalker::ListObjectsV2Handler> >::invoke() () from /arrow/r/check/arrow.Rcheck/arrow/libs/arrow.so apache#7 0x00007f8a5650efa0 in arrow::FutureImpl::AddCallback(arrow::internal::FnOnce<void ()>) () from /arrow/r/check/arrow.Rcheck/arrow/libs/arrow.so apache#8 0x00007f8a566e67a9 in arrow::fs::(anonymous namespace)::TreeWalker::ListObjectsV2Handler::SpawnListObjectsV2() () from /arrow/r/check/arrow.Rcheck/arrow/libs/arrow.so apache#9 0x00007f8a566e723f in arrow::fs::(anonymous namespace)::TreeWalker::WalkChild(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int) () from /arrow/r/check/arrow.Rcheck/arrow/libs/arrow.so apache#10 0x00007f8a566e74b1 in arrow::fs::(anonymous namespace)::TreeWalker::DoWalk() () from /arrow/r/check/arrow.Rcheck/arrow/libs/arrow.so ``` The callback `ListObjectsV2Handler` is being called recursively and the mutex is non-reentrant thus deadlock. To fix it I got rid of the mutex on `TreeWalker` by using `arrow::util::internal::TaskGroup` instead of manually tracking the #/status of in-flight requests. Closes apache#9842 from westonpace/bugfix/arrow-12040 Lead-authored-by: Weston Pace <[email protected]> Co-authored-by: Antoine Pitrou <[email protected]> Signed-off-by: Antoine Pitrou <[email protected]>
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