Revert "Branch 0.7" - #3
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karthikeyann
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Jun 27, 2019
Updating changlog and fixing flake8 errors
karthikeyann
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Feb 14, 2020
karthikeyann
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This implements stacktrace and adds a stacktrace string into any exception thrown by cudf. By doing so, the exception carries information about where it originated, allowing the downstream application to trace back with much less effort. Closes NVIDIA#12422. ### Example: ``` #0: cudf/cpp/build/libcudf.so : std::unique_ptr<cudf::column, std::default_delete<cudf::column> > cudf::detail::sorted_order<false>(cudf::table_view, std::vector<cudf::order, std::allocator<cudf::order> > const&, std::vector<cudf::null_order, std::allocator<cudf::null_order> > const&, rmm::cuda_stream_view, rmm::mr::device_memory_resource*)+0x446 #1: cudf/cpp/build/libcudf.so : cudf::detail::sorted_order(cudf::table_view const&, std::vector<cudf::order, std::allocator<cudf::order> > const&, std::vector<cudf::null_order, std::allocator<cudf::null_order> > const&, rmm::cuda_stream_view, rmm::mr::device_memory_resource*)+0x113 #2: cudf/cpp/build/libcudf.so : std::unique_ptr<cudf::column, std::default_delete<cudf::column> > cudf::detail::segmented_sorted_order_common<(cudf::detail::sort_method)1>(cudf::table_view const&, cudf::column_view const&, std::vector<cudf::order, std::allocator<cudf::order> > const&, std::vector<cudf::null_order, std::allocator<cudf::null_order> > const&, rmm::cuda_stream_view, rmm::mr::device_memory_resource*)+0x66e #3: cudf/cpp/build/libcudf.so : cudf::detail::segmented_sort_by_key(cudf::table_view const&, cudf::table_view const&, cudf::column_view const&, std::vector<cudf::order, std::allocator<cudf::order> > const&, std::vector<cudf::null_order, std::allocator<cudf::null_order> > const&, rmm::cuda_stream_view, rmm::mr::device_memory_resource*)+0x88 #4: cudf/cpp/build/libcudf.so : cudf::segmented_sort_by_key(cudf::table_view const&, cudf::table_view const&, cudf::column_view const&, std::vector<cudf::order, std::allocator<cudf::order> > const&, std::vector<cudf::null_order, std::allocator<cudf::null_order> > const&, rmm::mr::device_memory_resource*)+0xb9 #5: cudf/cpp/build/gtests/SORT_TEST : ()+0xe3027 #6: cudf/cpp/build/lib/libgtest.so.1.13.0 : void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*)+0x8f #7: cudf/cpp/build/lib/libgtest.so.1.13.0 : testing::Test::Run()+0xd6 #8: cudf/cpp/build/lib/libgtest.so.1.13.0 : testing::TestInfo::Run()+0x195 #9: cudf/cpp/build/lib/libgtest.so.1.13.0 : testing::TestSuite::Run()+0x109 #10: cudf/cpp/build/lib/libgtest.so.1.13.0 : testing::internal::UnitTestImpl::RunAllTests()+0x44f #11: cudf/cpp/build/lib/libgtest.so.1.13.0 : bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*)+0x87 #12: cudf/cpp/build/lib/libgtest.so.1.13.0 : testing::UnitTest::Run()+0x95 #13: cudf/cpp/build/gtests/SORT_TEST : ()+0xdb08c #14: /lib/x86_64-linux-gnu/libc.so.6 : ()+0x29d90 #15: /lib/x86_64-linux-gnu/libc.so.6 : __libc_start_main()+0x80 NVIDIA#16: cudf/cpp/build/gtests/SORT_TEST : ()+0xdf3d5 ``` ### Usage In order to retrieve a stacktrace with fully human-readable symbols, some compiling options must be adjusted. To make such adjustment convenient and effortless, a new cmake option (`CUDF_BUILD_STACKTRACE_DEBUG`) has been added. Just set this option to `ON` before building cudf and it will be ready to use. For downstream applications, whenever a cudf-type exception is thrown, it can retrieve the stored stacktrace and do whatever it wants with it. For example: ``` try { // cudf API calls } catch (cudf::logic_error const& e) { std::cout << e.what() << std::endl; std::cout << e.stacktrace() << std::endl; throw e; } // similar with catching other exception types ``` ### Follow-up work The next step would be patching `rmm` to attach stacktrace into `rmm::` exceptions. Doing so will allow debugging various memory exceptions thrown from libcudf using their stacktrace. ### Note: * This feature doesn't require libcudf to be built in Debug mode. * The flag `CUDF_BUILD_STACKTRACE_DEBUG` should not be turned on in production as it may affect code optimization. Instead, libcudf compiled with that flag turned on should be used only when needed, when debugging cudf throwing exceptions. * This flag removes the current optimization flag from compiling (such as `-O2` or `-O3`, if in Release mode) and replaces by `-Og` (optimize for debugging). * If this option is not set to `ON`, the stacktrace will not be available. This is to avoid expensive stracktrace retrieval if the throwing exception is expected. Authors: - Nghia Truong (https://github.com/ttnghia) Approvers: - AJ Schmidt (https://github.com/ajschmidt8) - Robert Maynard (https://github.com/robertmaynard) - Vyas Ramasubramani (https://github.com/vyasr) - Jason Lowe (https://github.com/jlowe) URL: NVIDIA#13298
karthikeyann
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Sep 24, 2023
Pin conda packages to `aws-sdk-cpp<1.11`. The recent upgrade in version `1.11.*` has caused several issues with cleaning up (more details on changes can be read in [this link](https://github.com/aws/aws-sdk-cpp#version-111-is-now-available)), leading to Distributed and Dask-CUDA processes to segfault. The stack for one of those crashes looks like the following: ``` (gdb) bt #0 0x00007f5125359a0c in Aws::Utils::Logging::s_aws_logger_redirect_get_log_level(aws_logger*, unsigned int) () from /opt/conda/envs/dask/lib/python3.9/site-packages/pyarrow/../../.././libaws-cpp-sdk-core.so #1 0x00007f5124968f83 in aws_event_loop_thread () from /opt/conda/envs/dask/lib/python3.9/site-packages/pyarrow/../../../././libaws-c-io.so.1.0.0 #2 0x00007f5124ad9359 in thread_fn () from /opt/conda/envs/dask/lib/python3.9/site-packages/pyarrow/../../../././libaws-c-common.so.1 #3 0x00007f519958f6db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #4 0x00007f5198b1361f in clone () from /lib/x86_64-linux-gnu/libc.so.6 ``` Such segfaults now manifest frequently in CI, and in some cases are reproducible with a hit rate of ~30%. Given the approaching release time, it's probably the safest option to just pin to an older version of the package while we don't pinpoint the exact cause for the issue and a patched build is released upstream. The `aws-sdk-cpp` is statically-linked in the `pyarrow` pip package, which prevents us from using the same pinning technique. cuDF is currently pinned to `pyarrow=12.0.1` which seems to be built against `aws-sdk-cpp=1.10.*`, as per [recent build logs](https://github.com/apache/arrow/actions/runs/6276453828/job/17046177335?pr=37792#step:6:1372). Authors: - Peter Andreas Entschev (https://github.com/pentschev) Approvers: - GALI PREM SAGAR (https://github.com/galipremsagar) - Ray Douglass (https://github.com/raydouglass) URL: NVIDIA#14173
karthikeyann
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Nov 10, 2023
… pandas columns (#3) Fixes: rapidsai/xdf#322 This PR raises an error when a pandas column with a mix of bools & None are detected i.e., when a boolean column is of type object rather than bool/boolean.
karthikeyann
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May 12, 2026
…nees (NVIDIA#22453) I can't tell if this is right, because that repo has weird tags: ``` 🐚 git ls-remote https://github.com/actions-ecosystem/action-add-assignees refs/tags/* 59970ef501a38f91ea9afa2993b44162e33b3eac refs/tags/v1 ce5019e63cc4f35aba27308dc88d19c8f3686747 refs/tags/v1^{} 60aa57ae61b8fc53785076d0fc7327a6ef3a06fd refs/tags/v1.0.0 ce5019e63cc4f35aba27308dc88d19c8f3686747 refs/tags/v1.0.0^{} 48956ae0c11159427139404f968c4686dd245cfd refs/tags/v1.0.1 a5b84af721c4a621eb9c7a4a95ec20a90d0b88e9 refs/tags/v1.0.1^{} ``` Only the `@v1` mutable ref is allow-listed in the org-wide actions settings, so maybe the tag pointing to `v1.0.0` messes it up? The action that allowed is listed as: `actions-ecosystem/action-add-assignee@v1` It is unclear to me if that `@v1` will allow a commit SHA that points to the same location that the `@v1` tag points. I would've thought so, but the current SHA on `main` _does_ point to the same location: ``` gforsyth …/action-add-assignees main 13:29 🐚 git checkout v1 HEAD is now at ce5019e Update action.yml (#3) gforsyth …/action-add-assignees HEAD 13:29 🐚 git rev-parse HEAD ce5019e63cc4f35aba27308dc88d19c8f3686747 ``` It's possible (and what this PR currently changes) that the _commented_ tag corresponding to that SHA is causing the issue here, since `v1.0.0` isn't explicitly allowed (despite being the same commit): ``` * ce5019e - (HEAD, tag: v1.0.0, tag: v1) Update action.yml (#3) (6 years ago) <micnncim> ``` The other option is that the `@v1` only allows resolving the SHA of that git tag object itself (the tag, not what it points to), which is `59970ef501a38f91ea9afa2993b44162e33b3eac`. Does the SHA of a tag object change if the tag is mutated to point to a different commit? I don't know. Authors: - Gil Forsyth (https://github.com/gforsyth) Approvers: - Bradley Dice (https://github.com/bdice) URL: NVIDIA#22453
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Reverts #1