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( http://cv.jenkins.couchbase.com/job/kv_engine-clang_analyzer-master/19414/ )\n\nhttp://cv.jenkins.couchbase.com/job/kv_engine-windows-master/22719/ : ABORTED\n\nNo problems were identified. If you know why this problem occurred, please add a suitable Cause for it. ( http://cv.jenkins.couchbase.com/job/kv_engine-windows-master/22719/ )\n\nhttp://cv.jenkins.couchbase.com/job/kv_engine-threadsanitizer-master/13660/ : ABORTED\n\nNo problems were identified. If you know why this problem occurred, please add a suitable Cause for it. ( http://cv.jenkins.couchbase.com/job/kv_engine-threadsanitizer-master/13660/ )\n\nhttp://cv.jenkins.couchbase.com/job/kv_engine-linux-master/21792/ : ABORTED\n\nBuild which was aborted due to a newer patch set being uploaded for the given review. ( http://cv.jenkins.couchbase.com/job/kv_engine-linux-master/21792/ )\n\nhttp://cv.jenkins.couchbase.com/job/kv_engine-linux-master-CE/3453/ : ABORTED\n\nBuild which was aborted due to a newer patch set being uploaded for the given review. ( http://cv.jenkins.couchbase.com/job/kv_engine-linux-master-CE/3453/ )\n\nhttp://cv.jenkins.couchbase.com/job/kv_engine.ASan-UBSan/job/master/6411/ : ABORTED\n\nBuild which was aborted due to a newer patch set being uploaded for the given review. ( http://cv.jenkins.couchbase.com/job/kv_engine.ASan-UBSan/job/master/6411/ )\n\nhttp://cv.jenkins.couchbase.com/job/kv_engine-clang_format/20403/ : SUCCESS","accounts_in_message":[],"_revision_number":1},{"id":"6ea223999a7d98c0a9e41755f4bf39bfcf530bbb","author":{"_account_id":1000966,"name":"Dave Rigby","email":"daver@couchbase.com","username":"drigby","avatars":[{"url":"https://www.gravatar.com/avatar/514e75a8d75cc1fcdb22433d445ae8f1.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d32","height":32},{"url":"https://www.gravatar.com/avatar/514e75a8d75cc1fcdb22433d445ae8f1.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d56","height":56},{"url":"https://www.gravatar.com/avatar/514e75a8d75cc1fcdb22433d445ae8f1.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d100","height":100},{"url":"https://www.gravatar.com/avatar/514e75a8d75cc1fcdb22433d445ae8f1.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d120","height":120}]},"date":"2019-08-19 16:06:01.000000000","message":"Patch Set 2: Code-Review+1\n\n(1 comment)","accounts_in_message":[],"_revision_number":2},{"id":"168138bfbdd453a56e6b02e2cf9601712a0c07cd","tag":"autogenerated:jenkins-gerrit-trigger","author":{"_account_id":1000011,"name":"Build Bot","email":"build@couchbase.com","username":"buildbot","avatars":[{"url":"https://www.gravatar.com/avatar/0ba35a43c05d6329d9b2136bab05a733.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d32","height":32},{"url":"https://www.gravatar.com/avatar/0ba35a43c05d6329d9b2136bab05a733.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d56","height":56},{"url":"https://www.gravatar.com/avatar/0ba35a43c05d6329d9b2136bab05a733.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d100","height":100},{"url":"https://www.gravatar.com/avatar/0ba35a43c05d6329d9b2136bab05a733.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d120","height":120}],"tags":["SERVICE_USER"]},"date":"2019-08-19 17:28:00.000000000","message":"Patch Set 2: Verified-1\n\nBuild Failed \n\nhttp://cv.jenkins.couchbase.com/job/kv_engine-threadsanitizer-master/13665/ : FAILURE\n\nFailure of a CTest test 179/179 Test #166: memcached_testapp.ep.Transport/McdTestappTest ................................ ( http://cv.jenkins.couchbase.com/job/kv_engine-threadsanitizer-master/13665/ )\n\nhttp://cv.jenkins.couchbase.com/job/kv_engine-linux-master/21797/ : FAILURE\n\nOne of more core files found at the end of the build. Data for post-mortem saved to archived_core_dumps.tar.bz2 under \"Build Artifacts\". ( http://cv.jenkins.couchbase.com/job/kv_engine-linux-master/21797/ )\n\nFailure of a CTest test  45/200 Test  #43: ep_testsuite_basic.full_eviction.rocksdb .....................................Child aborted ( http://cv.jenkins.couchbase.com/job/kv_engine-linux-master/21797/ )\n\nhttp://cv.jenkins.couchbase.com/job/kv_engine.ASan-UBSan/job/master/6416/ : FAILURE\n\nAddressSanitizer issue: 2281621 byte(s) leaked in 1936 allocation(s). ( http://cv.jenkins.couchbase.com/job/kv_engine.ASan-UBSan/job/master/6416/ )\n\nFailure of a CTest test [2019-08-19T17:23:40.173Z]  46/181 Test  #35: ep_testsuite_basic.full_eviction.comp_passive ................................Child aborted ( http://cv.jenkins.couchbase.com/job/kv_engine.ASan-UBSan/job/master/6416/ )\n\nhttp://cv.jenkins.couchbase.com/job/kv_engine-clang_analyzer-master/19419/ : SUCCESS\n\nhttp://cv.jenkins.couchbase.com/job/kv_engine-windows-master/22724/ : SUCCESS\n\nhttp://cv.jenkins.couchbase.com/job/kv_engine-linux-master-CE/3458/ : SUCCESS\n\nhttp://cv.jenkins.couchbase.com/job/kv_engine-clang_format/20408/ : SUCCESS\n\nhttp://cv.jenkins.couchbase.com/job/kv-engine-cv-perf/12726/ : SUCCESS","accounts_in_message":[],"_revision_number":2},{"id":"c11f0bf15e2e9c089efb445e398b5bfabb24587c","tag":"autogenerated:gerrit:newPatchSet","author":{"_account_id":1001546,"name":"Jim Walker","email":"jim@couchbase.com","username":"jim","avatars":[{"url":"https://www.gravatar.com/avatar/a06928c0be234da34bb6fc731e04a0d7.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d32","height":32},{"url":"https://www.gravatar.com/avatar/a06928c0be234da34bb6fc731e04a0d7.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d56","height":56},{"url":"https://www.gravatar.com/avatar/a06928c0be234da34bb6fc731e04a0d7.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d100","height":100},{"url":"https://www.gravatar.com/avatar/a06928c0be234da34bb6fc731e04a0d7.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d120","height":120}]},"date":"2019-08-20 08:52:54.000000000","message":"Uploaded patch set 3.","accounts_in_message":[],"_revision_number":3},{"id":"76560ca6694caa2ef4fe198ec07ab323e372abd2","author":{"_account_id":1000966,"name":"Dave Rigby","email":"daver@couchbase.com","username":"drigby","avatars":[{"url":"https://www.gravatar.com/avatar/514e75a8d75cc1fcdb22433d445ae8f1.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d32","height":32},{"url":"https://www.gravatar.com/avatar/514e75a8d75cc1fcdb22433d445ae8f1.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d56","height":56},{"url":"https://www.gravatar.com/avatar/514e75a8d75cc1fcdb22433d445ae8f1.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d100","height":100},{"url":"https://www.gravatar.com/avatar/514e75a8d75cc1fcdb22433d445ae8f1.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d120","height":120}]},"date":"2019-08-20 09:18:13.000000000","message":"Patch Set 3: Code-Review+2","accounts_in_message":[],"_revision_number":3},{"id":"76bf28b0ba97944578d35f2a677640207312d1d1","tag":"autogenerated:jenkins-gerrit-trigger","author":{"_account_id":1000011,"name":"Build Bot","email":"build@couchbase.com","username":"buildbot","avatars":[{"url":"https://www.gravatar.com/avatar/0ba35a43c05d6329d9b2136bab05a733.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d32","height":32},{"url":"https://www.gravatar.com/avatar/0ba35a43c05d6329d9b2136bab05a733.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d56","height":56},{"url":"https://www.gravatar.com/avatar/0ba35a43c05d6329d9b2136bab05a733.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d100","height":100},{"url":"https://www.gravatar.com/avatar/0ba35a43c05d6329d9b2136bab05a733.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d120","height":120}],"tags":["SERVICE_USER"]},"date":"2019-08-20 09:52:47.000000000","message":"Patch Set 3: Verified-1\n\nBuild Failed \n\nhttp://cv.jenkins.couchbase.com/job/kv_engine-windows-master/22757/ : FAILURE\n\nFailure of a CTest test  32/184 Test  #28: ep_testsuite.full_eviction.comp_active ....................................... ( http://cv.jenkins.couchbase.com/job/kv_engine-windows-master/22757/ )\n\nhttp://cv.jenkins.couchbase.com/job/kv_engine-threadsanitizer-master/13702/ : FAILURE\n\nNo problems were identified. If you know why this problem occurred, please add a suitable Cause for it. ( http://cv.jenkins.couchbase.com/job/kv_engine-threadsanitizer-master/13702/ )\n\nhttp://cv.jenkins.couchbase.com/job/kv_engine-linux-master/21828/ : FAILURE\n\nFailure of a GoogleTest test:\n\nCleanOrUnclean/PersistToTest.ConsistentStateAfterShutdown/Clean, where GetParam() \u003d Clean (219 ms) ( http://cv.jenkins.couchbase.com/job/kv_engine-linux-master/21828/ )\n\nFailure of a CTest test 180/200 Test #177: memcached_testapp.ep.CleanOrUnclean/PersistToTest ............................ ( http://cv.jenkins.couchbase.com/job/kv_engine-linux-master/21828/ )\n\nhttp://cv.jenkins.couchbase.com/job/kv_engine.ASan-UBSan/job/master/6451/ : FAILURE\n\nNo problems were identified. If you know why this problem occurred, please add a suitable Cause for it. 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output (below) is saying that we have unlocked reads of\nthe Connection::datatype \u0027bitset\u0027 from various threads, when the\nbitset was written with the frontend thread lock held.\n\nIt is now common for non front-end threads to query a connection\u0027s\npermitted data-types, e.g. TSAN shows the backfill task deciding\nwhat to do about snappy.\n\nChanging the datatype to be std::atomic allows for correct write\nread between threads.\n\nThreadSanitizer: data race/usr/local/include/c++/7.3.0/bitset:433std::_Base_bitset\u003c1ul\u003e::_M_do_or(std::_Base_bitset\u003c1ul\u003e const\u0026)\n\n  Write of size 8 at 0x7b5c00040f60 by thread T6 (mutexes: write M35842):\n    #0 std::_Base_bitset\u003c1ul\u003e::_M_do_or(std::_Base_bitset\u003c1ul\u003e const\u0026) /usr/local/include/c++/7.3.0/bitset:433 (memcached+0x0000004f1ec2)\n    #1 std::bitset\u003c8ul\u003e::operator|\u003d(std::bitset\u003c8ul\u003e const\u0026) /usr/local/include/c++/7.3.0/bitset:973 (memcached+0x0000004f1ec2)\n    #2 Datatype::enable(cb::mcbp::Feature) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/datatype.cc:57 (memcached+0x0000004f1ec2)\n    #3 Connection::enableDatatype(cb::mcbp::Feature) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/connection.h:653 (memcached+0x000000507ef6)\n    #4 process_bin_dcp_response /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/mcbp_executors.cc:573 (memcached+0x000000507ef6)\n    #5 std::_Function_handler::_M_invoke(std::_Any_data const\u0026, Cookie\u0026) /usr/local/include/c++/7.3.0/bits/std_function.h:316 (memcached+0x000000509c92)\n    #6 std::function::operator()(Cookie\u0026) const /usr/local/include/c++/7.3.0/bits/std_function.h:706 (memcached+0x000000508929)\n    #7 execute_client_response_packet /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/mcbp_executors.cc:897 (memcached+0x000000508929)\n    #8 execute_response_packet(Cookie\u0026, cb::mcbp::Response const\u0026) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/mcbp_executors.cc:946 (memcached+0x000000508929)\n    #9 Cookie::execute() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/cookie.cc:120 (memcached+0x0000004eb86e)\n    #10 StateMachine::conn_execute() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/statemachine.cc:410 (memcached+0x00000053d4fc)\n    #11 StateMachine::execute() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/statemachine.cc:137 (memcached+0x00000053f837)\n    #12 Connection::runStateMachinery() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/connection.cc:1340 (memcached+0x0000004d46d7)\n    #13 Connection::runEventLoop(short) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/connection.cc:1414 (memcached+0x0000004d476e)\n    #14 run_event_loop(Connection*, short) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/connections.cc:148 (memcached+0x0000004e9cbb)\n    #15 event_handler(int, short, void*) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/memcached.cc:848 (memcached+0x00000043c50d)\n    #16 event_persist_closure /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1580 (libevent_core.so.2.1.8+0x000000017086)\n    #17 event_process_active_single_queue /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1639 (libevent_core.so.2.1.8+0x000000017086)\n    #18 CouchbaseThread::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:58 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #19 platform_thread_wrap /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:71 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #20   (libtsan.so.0+0x000000024feb)\n\n  Previous read of size 8 at 0x7b5c00040f60 by thread T14 (mutexes: write M1073680921370941928):\n    #0 std::bitset\u003c8ul\u003e std::operator\u0026\u003c8ul\u003e(std::bitset\u003c8ul\u003e const\u0026, std::bitset\u003c8ul\u003e const\u0026) /usr/local/include/c++/7.3.0/bitset:1427 (memcached+0x0000004f1c7e)\n    #1 Datatype::isEnabled(unsigned char) const /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/datatype.cc:101 (memcached+0x0000004f1c7e)\n    #2 Connection::isDatatypeEnabled(unsigned char) const /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/connection.h:679 (memcached+0x000000443b85)\n    #3 ServerCookieApi::is_datatype_supported(gsl::not_null, unsigned char) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/memcached.cc:1543 (memcached+0x000000443b85)\n    #4 EventuallyPersistentEngine::isDatatypeSupported(void const*, unsigned char) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/ep_engine.cc:1831 (ep.so+0x00000017861d)\n    #5 DcpProducer::isCompressionEnabled() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/dcp/producer.h:175 (ep.so+0x0000000a8ab2)\n    #6 ActiveStream::isCompressionEnabled() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/dcp/active_stream.cc:606 (ep.so+0x0000000a8ab2)\n    #7 DCPBackfillDisk::create() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/dcp/backfill_disk.cc:208 (ep.so+0x0000000cb7e0)\n    #8 DCPBackfillDisk::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/dcp/backfill_disk.cc:155 (ep.so+0x0000000ccb1f)\n    #9 BackfillManager::backfill() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/dcp/backfill-manager.cc:313 (ep.so+0x0000000c9005)\n    #10 BackfillManagerTask::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/dcp/backfill-manager.cc:74 (ep.so+0x0000000c9571)\n    #11 ExecutorThread::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/executorthread.cc:153 (ep.so+0x0000001d5db8)\n    #12 launch_executor_thread /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/executorthread.cc:34 (ep.so+0x0000001d6e95)\n    #13 CouchbaseThread::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:58 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #14 platform_thread_wrap /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:71 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #15   (libtsan.so.0+0x000000024feb)\n\n  Location is heap block of size 880 at 0x7b5c00040c00 allocated by thread T6:\n    #0 operator new(unsigned long)  (libtsan.so.0+0x00000006a4d6)\n    #1 allocate_connection /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/connections.cc:256 (memcached+0x0000004ea61a)\n    #2 conn_new(int, ListeningPort const\u0026, event_base*, FrontEndThread\u0026) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/connections.cc:165 (memcached+0x0000004ea61a)\n    #3 dispatch_new_connections /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/thread.cc:251 (memcached+0x0000004a3cb5)\n    #4 thread_libevent_process /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/thread.cc:292 (memcached+0x0000004a3cb5)\n    #5 event_persist_closure /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1580 (libevent_core.so.2.1.8+0x000000017086)\n    #6 event_process_active_single_queue /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1639 (libevent_core.so.2.1.8+0x000000017086)\n    #7 CouchbaseThread::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:58 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #8 platform_thread_wrap /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:71 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #9   (libtsan.so.0+0x000000024feb)\n\n  Mutex M35842 (0x7b780004f8d8) created at:\n    #0 pthread_mutex_lock  (libtsan.so.0+0x00000003876f)\n    #1 __gthread_mutex_lock /usr/local/include/c++/7.3.0/x86_64-pc-linux-gnu/bits/gthr-default.h:748 (memcached+0x0000004a4371)\n    #2 std::mutex::lock() /usr/local/include/c++/7.3.0/bits/std_mutex.h:103 (memcached+0x0000004a4371)\n    #3 phosphor::MutexEventGuard::MutexEventGuard(phosphor::tracepoint_info const*, phosphor::tracepoint_info const*, bool, std::mutex\u0026, std::chrono::duration \u003e) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/phosphor/include/phosphor/scoped_event_guard.h:93 (memcached+0x0000004a4371)\n    #4 thread_libevent_process /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/thread.cc:300 (memcached+0x0000004a4371)\n    #5 event_persist_closure /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1580 (libevent_core.so.2.1.8+0x000000017086)\n    #6 event_process_active_single_queue /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1639 (libevent_core.so.2.1.8+0x000000017086)\n    #7 CouchbaseThread::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:58 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #8 platform_thread_wrap /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:71 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #9   (libtsan.so.0+0x000000024feb)\n\n  Mutex M1073680921370941928 is already destroyed.\n\n  Thread T6 \u0027mc:worker_0\u0027 (tid\u003d6945, running) created by main thread at:\n    #0 pthread_create  (libtsan.so.0+0x0000000282a0)\n    #1 cb_create_named_thread(unsigned long*, void (*)(void*), void*, int, char const*) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:109 (libplatform_so.so.0.1.0+0x00000000995b)\n    #2 create_worker /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/thread.cc:111 (memcached+0x0000004a510d)\n    #3 thread_init(unsigned long, event_base*, void (*)(int, short, void*)) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/thread.cc:460 (memcached+0x0000004a510d)\n    #4 memcached_main /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/memcached.cc:2457 (memcached+0x00000043ebdf)\n    #5 main /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/main.cc:33 (memcached+0x00000042a1ee)\n\n  Thread T14 \u0027mc:auxIO_0\u0027 (tid\u003d7362, running) created by thread T21 at:\n    #0 pthread_create  (libtsan.so.0+0x0000000282a0)\n    #1 cb_create_named_thread(unsigned long*, void (*)(void*), void*, int, char const*) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:109 (libplatform_so.so.0.1.0+0x00000000995b)\n    #2 ExecutorThread::start() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/executorthread.cc:51 (ep.so+0x0000001d54b2)\n    #3 ExecutorPool::_adjustWorkers(task_type_t, unsigned long) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/executorpool.cc:527 (ep.so+0x0000001cb9a2)\n    #4 ExecutorPool::_startWorkers() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/executorpool.cc:597 (ep.so+0x0000001cc535)\n    #5 ExecutorPool::_registerTaskable(Taskable\u0026) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/executorpool.cc:483 (ep.so+0x0000001cb1f8)\n    #6 ExecutorPool::registerTaskable(Taskable\u0026) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/executorpool.cc:488 (ep.so+0x0000001cb55f)\n    #7 KVBucket::KVBucket(EventuallyPersistentEngine\u0026) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/kv_bucket.cc:315 (ep.so+0x000000214248)\n    #8 EPBucket::EPBucket(EventuallyPersistentEngine\u0026) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/ep_bucket.cc:251 (ep.so+0x00000015c99b)\n    #9 std::_MakeUniq::__single_object std::make_unique(EventuallyPersistentEngine\u0026) /usr/local/include/c++/7.3.0/bits/unique_ptr.h:825 (ep.so+0x00000017bf75)\n    #10 EventuallyPersistentEngine::makeBucket(Configuration\u0026) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/ep_engine.cc:6100 (ep.so+0x00000017bf75)\n    #11 EventuallyPersistentEngine::initialize(char const*) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/ep_engine.cc:2033 (ep.so+0x000000198dd0)\n    #12 CreateBucketThread::create() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/memcached.cc:1867 (memcached+0x0000004361e2)\n    #13 CreateBucketThread::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/memcached.cc:1910 (memcached+0x000000436a66)\n    #14 Couchbase::Thread::thread_entry() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/thread.cc:45 (libplatform_so.so.0.1.0+0x00000001cb0a)\n    #15 Couchbase::StartThreadDelegator::run(Couchbase::Thread\u0026) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/thread.cc:59 (libplatform_so.so.0.1.0+0x00000001cc05)\n    #16 task_thread_main /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/thread.cc:65 (libplatform_so.so.0.1.0+0x00000001cc05)\n    #17 CouchbaseThread::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:58 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #18 platform_thread_wrap /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:71 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #19   (libtsan.so.0+0x000000024feb)\n\nChange-Id: I5dce6961174eaa55d092136b328f5252add0d073\n"},"parents_data":[{"branch_name":"refs/heads/master","commit_id":"68b51905315ab2e73290a1aaf9873ae0c36f76b0","is_merged_in_target_branch":true,"change_id":"Ic9a737cfd50b8f665b52f90dc59f38b71eeaac99","change_number":113439,"patch_set_number":4,"change_status":"MERGED"}],"branch":"refs/heads/master"},"cf07104ce998a57af2b62d57afc70a412d63d4d8":{"kind":"REWORK","_number":4,"created":"2019-08-21 08:58:11.000000000","uploader":{"_account_id":1000966,"name":"Dave Rigby","email":"daver@couchbase.com","username":"drigby","avatars":[{"url":"https://www.gravatar.com/avatar/514e75a8d75cc1fcdb22433d445ae8f1.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d32","height":32},{"url":"https://www.gravatar.com/avatar/514e75a8d75cc1fcdb22433d445ae8f1.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d56","height":56},{"url":"https://www.gravatar.com/avatar/514e75a8d75cc1fcdb22433d445ae8f1.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d100","height":100},{"url":"https://www.gravatar.com/avatar/514e75a8d75cc1fcdb22433d445ae8f1.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d120","height":120}]},"ref":"refs/changes/08/113508/4","fetch":{"anonymous http":{"url":"https://review.couchbase.org/kv_engine","ref":"refs/changes/08/113508/4","commands":{"Branch":"git fetch https://review.couchbase.org/kv_engine refs/changes/08/113508/4 \u0026\u0026 git checkout -b change-113508 FETCH_HEAD","Checkout":"git fetch https://review.couchbase.org/kv_engine refs/changes/08/113508/4 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.couchbase.org/kv_engine refs/changes/08/113508/4 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.couchbase.org/kv_engine refs/changes/08/113508/4 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.couchbase.org/kv_engine refs/changes/08/113508/4","Reset To":"git fetch https://review.couchbase.org/kv_engine refs/changes/08/113508/4 \u0026\u0026 git reset --hard FETCH_HEAD"}}},"commit":{"parents":[{"commit":"6f23cd8273f57ccb09dbb4bc2716df0e3647e6eb","subject":"MB-35539: Check cas of committed item when creating new prepare"}],"author":{"name":"Jim Walker","email":"jim@couchbase.com","date":"2019-08-19 14:20:55.000000000","tz":60},"committer":{"name":"Dave Rigby","email":"daver@couchbase.com","date":"2019-08-21 08:58:11.000000000","tz":0},"subject":"MB-35415: Change Connection::datatype to be atomic","message":"MB-35415: Change Connection::datatype to be atomic\n\nThe TSAN output (below) is saying that we have unlocked reads of\nthe Connection::datatype \u0027bitset\u0027 from various threads, when the\nbitset was written with the frontend thread lock held.\n\nIt is now common for non front-end threads to query a connection\u0027s\npermitted data-types, e.g. TSAN shows the backfill task deciding\nwhat to do about snappy.\n\nChanging the datatype to be std::atomic allows for correct write\nread between threads.\n\nThreadSanitizer: data race/usr/local/include/c++/7.3.0/bitset:433std::_Base_bitset\u003c1ul\u003e::_M_do_or(std::_Base_bitset\u003c1ul\u003e const\u0026)\n\n  Write of size 8 at 0x7b5c00040f60 by thread T6 (mutexes: write M35842):\n    #0 std::_Base_bitset\u003c1ul\u003e::_M_do_or(std::_Base_bitset\u003c1ul\u003e const\u0026) /usr/local/include/c++/7.3.0/bitset:433 (memcached+0x0000004f1ec2)\n    #1 std::bitset\u003c8ul\u003e::operator|\u003d(std::bitset\u003c8ul\u003e const\u0026) /usr/local/include/c++/7.3.0/bitset:973 (memcached+0x0000004f1ec2)\n    #2 Datatype::enable(cb::mcbp::Feature) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/datatype.cc:57 (memcached+0x0000004f1ec2)\n    #3 Connection::enableDatatype(cb::mcbp::Feature) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/connection.h:653 (memcached+0x000000507ef6)\n    #4 process_bin_dcp_response /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/mcbp_executors.cc:573 (memcached+0x000000507ef6)\n    #5 std::_Function_handler::_M_invoke(std::_Any_data const\u0026, Cookie\u0026) /usr/local/include/c++/7.3.0/bits/std_function.h:316 (memcached+0x000000509c92)\n    #6 std::function::operator()(Cookie\u0026) const /usr/local/include/c++/7.3.0/bits/std_function.h:706 (memcached+0x000000508929)\n    #7 execute_client_response_packet /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/mcbp_executors.cc:897 (memcached+0x000000508929)\n    #8 execute_response_packet(Cookie\u0026, cb::mcbp::Response const\u0026) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/mcbp_executors.cc:946 (memcached+0x000000508929)\n    #9 Cookie::execute() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/cookie.cc:120 (memcached+0x0000004eb86e)\n    #10 StateMachine::conn_execute() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/statemachine.cc:410 (memcached+0x00000053d4fc)\n    #11 StateMachine::execute() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/statemachine.cc:137 (memcached+0x00000053f837)\n    #12 Connection::runStateMachinery() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/connection.cc:1340 (memcached+0x0000004d46d7)\n    #13 Connection::runEventLoop(short) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/connection.cc:1414 (memcached+0x0000004d476e)\n    #14 run_event_loop(Connection*, short) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/connections.cc:148 (memcached+0x0000004e9cbb)\n    #15 event_handler(int, short, void*) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/memcached.cc:848 (memcached+0x00000043c50d)\n    #16 event_persist_closure /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1580 (libevent_core.so.2.1.8+0x000000017086)\n    #17 event_process_active_single_queue /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1639 (libevent_core.so.2.1.8+0x000000017086)\n    #18 CouchbaseThread::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:58 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #19 platform_thread_wrap /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:71 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #20   (libtsan.so.0+0x000000024feb)\n\n  Previous read of size 8 at 0x7b5c00040f60 by thread T14 (mutexes: write M1073680921370941928):\n    #0 std::bitset\u003c8ul\u003e std::operator\u0026\u003c8ul\u003e(std::bitset\u003c8ul\u003e const\u0026, std::bitset\u003c8ul\u003e const\u0026) /usr/local/include/c++/7.3.0/bitset:1427 (memcached+0x0000004f1c7e)\n    #1 Datatype::isEnabled(unsigned char) const /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/datatype.cc:101 (memcached+0x0000004f1c7e)\n    #2 Connection::isDatatypeEnabled(unsigned char) const /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/connection.h:679 (memcached+0x000000443b85)\n    #3 ServerCookieApi::is_datatype_supported(gsl::not_null, unsigned char) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/memcached.cc:1543 (memcached+0x000000443b85)\n    #4 EventuallyPersistentEngine::isDatatypeSupported(void const*, unsigned char) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/ep_engine.cc:1831 (ep.so+0x00000017861d)\n    #5 DcpProducer::isCompressionEnabled() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/dcp/producer.h:175 (ep.so+0x0000000a8ab2)\n    #6 ActiveStream::isCompressionEnabled() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/dcp/active_stream.cc:606 (ep.so+0x0000000a8ab2)\n    #7 DCPBackfillDisk::create() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/dcp/backfill_disk.cc:208 (ep.so+0x0000000cb7e0)\n    #8 DCPBackfillDisk::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/dcp/backfill_disk.cc:155 (ep.so+0x0000000ccb1f)\n    #9 BackfillManager::backfill() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/dcp/backfill-manager.cc:313 (ep.so+0x0000000c9005)\n    #10 BackfillManagerTask::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/dcp/backfill-manager.cc:74 (ep.so+0x0000000c9571)\n    #11 ExecutorThread::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/executorthread.cc:153 (ep.so+0x0000001d5db8)\n    #12 launch_executor_thread /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/executorthread.cc:34 (ep.so+0x0000001d6e95)\n    #13 CouchbaseThread::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:58 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #14 platform_thread_wrap /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:71 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #15   (libtsan.so.0+0x000000024feb)\n\n  Location is heap block of size 880 at 0x7b5c00040c00 allocated by thread T6:\n    #0 operator new(unsigned long)  (libtsan.so.0+0x00000006a4d6)\n    #1 allocate_connection /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/connections.cc:256 (memcached+0x0000004ea61a)\n    #2 conn_new(int, ListeningPort const\u0026, event_base*, FrontEndThread\u0026) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/connections.cc:165 (memcached+0x0000004ea61a)\n    #3 dispatch_new_connections /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/thread.cc:251 (memcached+0x0000004a3cb5)\n    #4 thread_libevent_process /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/thread.cc:292 (memcached+0x0000004a3cb5)\n    #5 event_persist_closure /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1580 (libevent_core.so.2.1.8+0x000000017086)\n    #6 event_process_active_single_queue /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1639 (libevent_core.so.2.1.8+0x000000017086)\n    #7 CouchbaseThread::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:58 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #8 platform_thread_wrap /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:71 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #9   (libtsan.so.0+0x000000024feb)\n\n  Mutex M35842 (0x7b780004f8d8) created at:\n    #0 pthread_mutex_lock  (libtsan.so.0+0x00000003876f)\n    #1 __gthread_mutex_lock /usr/local/include/c++/7.3.0/x86_64-pc-linux-gnu/bits/gthr-default.h:748 (memcached+0x0000004a4371)\n    #2 std::mutex::lock() /usr/local/include/c++/7.3.0/bits/std_mutex.h:103 (memcached+0x0000004a4371)\n    #3 phosphor::MutexEventGuard::MutexEventGuard(phosphor::tracepoint_info const*, phosphor::tracepoint_info const*, bool, std::mutex\u0026, std::chrono::duration \u003e) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/phosphor/include/phosphor/scoped_event_guard.h:93 (memcached+0x0000004a4371)\n    #4 thread_libevent_process /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/thread.cc:300 (memcached+0x0000004a4371)\n    #5 event_persist_closure /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1580 (libevent_core.so.2.1.8+0x000000017086)\n    #6 event_process_active_single_queue /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1639 (libevent_core.so.2.1.8+0x000000017086)\n    #7 CouchbaseThread::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:58 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #8 platform_thread_wrap /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:71 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #9   (libtsan.so.0+0x000000024feb)\n\n  Mutex M1073680921370941928 is already destroyed.\n\n  Thread T6 \u0027mc:worker_0\u0027 (tid\u003d6945, running) created by main thread at:\n    #0 pthread_create  (libtsan.so.0+0x0000000282a0)\n    #1 cb_create_named_thread(unsigned long*, void (*)(void*), void*, int, char const*) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:109 (libplatform_so.so.0.1.0+0x00000000995b)\n    #2 create_worker /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/thread.cc:111 (memcached+0x0000004a510d)\n    #3 thread_init(unsigned long, event_base*, void (*)(int, short, void*)) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/thread.cc:460 (memcached+0x0000004a510d)\n    #4 memcached_main /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/memcached.cc:2457 (memcached+0x00000043ebdf)\n    #5 main /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/main.cc:33 (memcached+0x00000042a1ee)\n\n  Thread T14 \u0027mc:auxIO_0\u0027 (tid\u003d7362, running) created by thread T21 at:\n    #0 pthread_create  (libtsan.so.0+0x0000000282a0)\n    #1 cb_create_named_thread(unsigned long*, void (*)(void*), void*, int, char const*) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:109 (libplatform_so.so.0.1.0+0x00000000995b)\n    #2 ExecutorThread::start() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/executorthread.cc:51 (ep.so+0x0000001d54b2)\n    #3 ExecutorPool::_adjustWorkers(task_type_t, unsigned long) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/executorpool.cc:527 (ep.so+0x0000001cb9a2)\n    #4 ExecutorPool::_startWorkers() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/executorpool.cc:597 (ep.so+0x0000001cc535)\n    #5 ExecutorPool::_registerTaskable(Taskable\u0026) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/executorpool.cc:483 (ep.so+0x0000001cb1f8)\n    #6 ExecutorPool::registerTaskable(Taskable\u0026) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/executorpool.cc:488 (ep.so+0x0000001cb55f)\n    #7 KVBucket::KVBucket(EventuallyPersistentEngine\u0026) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/kv_bucket.cc:315 (ep.so+0x000000214248)\n    #8 EPBucket::EPBucket(EventuallyPersistentEngine\u0026) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/ep_bucket.cc:251 (ep.so+0x00000015c99b)\n    #9 std::_MakeUniq::__single_object std::make_unique(EventuallyPersistentEngine\u0026) /usr/local/include/c++/7.3.0/bits/unique_ptr.h:825 (ep.so+0x00000017bf75)\n    #10 EventuallyPersistentEngine::makeBucket(Configuration\u0026) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/ep_engine.cc:6100 (ep.so+0x00000017bf75)\n    #11 EventuallyPersistentEngine::initialize(char const*) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/engines/ep/src/ep_engine.cc:2033 (ep.so+0x000000198dd0)\n    #12 CreateBucketThread::create() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/memcached.cc:1867 (memcached+0x0000004361e2)\n    #13 CreateBucketThread::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/kv_engine/daemon/memcached.cc:1910 (memcached+0x000000436a66)\n    #14 Couchbase::Thread::thread_entry() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/thread.cc:45 (libplatform_so.so.0.1.0+0x00000001cb0a)\n    #15 Couchbase::StartThreadDelegator::run(Couchbase::Thread\u0026) /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/thread.cc:59 (libplatform_so.so.0.1.0+0x00000001cc05)\n    #16 task_thread_main /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/thread.cc:65 (libplatform_so.so.0.1.0+0x00000001cc05)\n    #17 CouchbaseThread::run() /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:58 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #18 platform_thread_wrap /home/couchbase/jenkins/workspace/kv_engine-master-post-commit-TSan/platform/src/cb_pthreads.cc:71 (libplatform_so.so.0.1.0+0x000000009c5f)\n    #19   (libtsan.so.0+0x000000024feb)\n\nChange-Id: I5dce6961174eaa55d092136b328f5252add0d073\nReviewed-on: http://review.couchbase.org/113508\nReviewed-by: Dave Rigby \u003cdaver@couchbase.com\u003e\nTested-by: Build Bot \u003cbuild@couchbase.com\u003e\n"},"parents_data":[{"branch_name":"refs/heads/master","commit_id":"6f23cd8273f57ccb09dbb4bc2716df0e3647e6eb","is_merged_in_target_branch":true,"change_id":"I9cd19b425180c910b7ae84085fad5aee149ee71f","change_number":113559,"patch_set_number":7,"change_status":"MERGED"}],"branch":"refs/heads/master"}},"requirements":[],"submit_records":[],"submit_requirements":[]}