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*Total -- 8,561.99kb -> 6,844.58kb (20.06%) /doc/site/assets/announcing_ray/graph3.png -- 17.55kb -> 4.33kb (75.36%) /doc/source/images/task_name_dashboard.png -- 37.08kb -> 12.76kb (65.59%) /doc/site/assets/announcing_ray/graph1.png -- 6.44kb -> 2.59kb (59.75%) /doc/source/images/ray_logo.png -- 148.73kb -> 67.51kb (54.61%) /doc/source/images/rllib-stack.png -- 775.07kb -> 387.08kb (50.06%) /doc/source/images/tune_advanced_plot1.png -- 215.84kb -> 122.82kb (43.09%) /doc/source/images/yarn-job.png -- 543.37kb -> 314.15kb (42.19%) /doc/source/images/tune-sklearn.png -- 80.81kb -> 50.48kb (37.53%) /doc/source/raysgd/raysgdlogo.png -- 279.69kb -> 175.75kb (37.16%) /doc/source/images/tune-hparams-coord.png -- 409.82kb -> 259.45kb (36.69%) /doc/source/images/pipeline.png -- 14.67kb -> 9.34kb (36.29%) /doc/source/images/tune-start-tb.png -- 155.92kb -> 102.82kb (34.05%) /doc/source/images/tune-workflow.png -- 38.19kb -> 26.71kb (30.04%) /doc/source/images/tune-hparams.png -- 55.41kb -> 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/doc/source/images/tune-xgboost-depth.svg -- 114.87kb -> 111.42kb (3%) /doc/source/images/tune-xgboost-weight.svg -- 116.21kb -> 112.76kb (2.96%) /python/ray/rllib/tests/data/images/obstacle_tower.png -- 8.53kb -> 8.28kb (2.91%) /rllib/tests/data/images/obstacle_tower.png -- 8.53kb -> 8.28kb (2.91%) /doc/source/images/dask.png -- 14.28kb -> 13.97kb (2.2%) /doc/source/images/hugging.png -- 30.09kb -> 29.66kb (1.44%) /doc/source/images/scikit.png -- 60.94kb -> 60.09kb (1.4%) /doc/source/images/tune_advanced_dcgan_inscore.png -- 88.97kb -> 87.75kb (1.36%) /doc/source/images/classyvision.png -- 76.01kb -> 75.03kb (1.28%) /doc/source/images/tune_advanced_dcgan_Gloss.png -- 68.73kb -> 68.07kb (0.96%) /doc/source/multi-flat.svg -- 35.31kb -> 35.02kb (0.8%) /doc/source/images/pong-arch.svg -- 31.70kb -> 31.45kb (0.77%) /doc/source/serve/logo.svg -- 9.48kb -> 9.42kb (0.68%) /doc/source/_static/img/thumbnails/default.png -- 26.16kb -> 25.99kb (0.63%) /doc/source/rllib-api.svg -- 74.89kb -> 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/doc/source/raysgd/raysgd-pytorch.svg -- 263.57kb -> 263.50kb (0.03%) /doc/source/images/rllib-wide.jpg -- 30.01kb -> 30.00kb (0.01%) Signed-off-by: ImgBotApp <ImgBotHelp@gmail.com>
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…ibly), minor fixes and preparations). (ray-project#13091)
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We encountered SIGSEGV when running Python test `python/ray/tests/test_failure_2.py::test_list_named_actors_timeout`. The stack is: ``` #0 0x00007fffed30f393 in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&) () from /lib64/libstdc++.so.6 #1 0x00007fffee707649 in ray::RayLog::GetLoggerName() () from /home/admin/dev/Arc/merge/ray/python/ray/_raylet.so #2 0x00007fffee70aa90 in ray::SpdLogMessage::Flush() () from /home/admin/dev/Arc/merge/ray/python/ray/_raylet.so #3 0x00007fffee70af28 in ray::RayLog::~RayLog() () from /home/admin/dev/Arc/merge/ray/python/ray/_raylet.so #4 0x00007fffee2b570d in ray::asio::testing::(anonymous namespace)::DelayManager::Init() [clone .constprop.0] () from /home/admin/dev/Arc/merge/ray/python/ray/_raylet.so #5 0x00007fffedd0d95a in _GLOBAL__sub_I_asio_chaos.cc () from /home/admin/dev/Arc/merge/ray/python/ray/_raylet.so #6 0x00007ffff7fe282a in call_init.part () from /lib64/ld-linux-x86-64.so.2 #7 0x00007ffff7fe2931 in _dl_init () from /lib64/ld-linux-x86-64.so.2 #8 0x00007ffff7fe674c in dl_open_worker () from /lib64/ld-linux-x86-64.so.2 #9 0x00007ffff7b82e79 in _dl_catch_exception () from /lib64/libc.so.6 #10 0x00007ffff7fe5ffe in _dl_open () from /lib64/ld-linux-x86-64.so.2 #11 0x00007ffff7d5f39c in dlopen_doit () from /lib64/libdl.so.2 #12 0x00007ffff7b82e79 in _dl_catch_exception () from /lib64/libc.so.6 #13 0x00007ffff7b82f13 in _dl_catch_error () from /lib64/libc.so.6 #14 0x00007ffff7d5fb09 in _dlerror_run () from /lib64/libdl.so.2 #15 0x00007ffff7d5f42a in dlopen@@GLIBC_2.2.5 () from /lib64/libdl.so.2 #16 0x00007fffef04d330 in py_dl_open (self=<optimized out>, args=<optimized out>) at /tmp/python-build.20220507135524.257789/Python-3.7.11/Modules/_ctypes/callproc.c:1369 ``` The root cause is that when loading `_raylet.so`, `static DelayManager _delay_manager` is initialized and `RAY_LOG(ERROR) << "RAY_testing_asio_delay_us is set to " << delay_env;` is executed. However, the static variables declared in `logging.cc` are not initialized yet (in this case, `std::string RayLog::logger_name_ = "ray_log_sink"`). It's better not to rely on the initialization order of static variables in different compilation units because it's not guaranteed. I propose to change all `RAY_LOG`s to `std::cerr` in `DelayManager::Init()`. The crash happens in Ant's internal codebase. Not sure why this test case passes in the community version though. BTW, I've tried different approaches: 1. Using a static local variable in `get_delay_us` and remove the global variable. This doesn't work because `init()` needs to access the variable as well. 2. Defining the global variable as type `std::unique_ptr<DelayManager>` and initialize it in `get_delay_us`. This works but it requires a lock to be thread-safe.
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