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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":"2015-10-09 18:59:51.000000000","message":"Patch Set 1: Verified+1\n\nBuild Successful \n\nhttp://factory.couchbase.com/job/ep-engine-gerrit-master-multi/1240/ : SUCCESS","accounts_in_message":[],"_revision_number":1},{"id":"0b82eaa4877ecf48aeaa7129b9f6e96bfe9cc296","author":{"_account_id":1000338,"name":"Abhi Dangeti","email":"abhinav@couchbase.com","username":"abhinavdangeti","avatars":[{"url":"https://www.gravatar.com/avatar/9007099855b1bf7d96e9c1a10bc9542e.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d32","height":32},{"url":"https://www.gravatar.com/avatar/9007099855b1bf7d96e9c1a10bc9542e.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d56","height":56},{"url":"https://www.gravatar.com/avatar/9007099855b1bf7d96e9c1a10bc9542e.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d100","height":100},{"url":"https://www.gravatar.com/avatar/9007099855b1bf7d96e9c1a10bc9542e.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d120","height":120}]},"date":"2015-10-09 19:22:36.000000000","message":"Patch Set 1: Code-Review+2","accounts_in_message":[],"_revision_number":1},{"id":"edde397fb1871fd98c3a81ff1ddaabf12aa30b39","date":"2015-10-09 19:23:35.000000000","message":"Change has been successfully cherry-picked as 528e068d6a6b010656664809eb85742c3d413f47","accounts_in_message":[],"_revision_number":1}],"current_revision_number":2,"current_revision":"528e068d6a6b010656664809eb85742c3d413f47","revisions":{"777df9ea231adbc1b8b2be3c6917a29895592a5c":{"kind":"REWORK","_number":1,"created":"2015-10-09 18:44:50.000000000","uploader":{"_account_id":1000097,"name":"Chiyoung 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refs/changes/72/55972/1 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.couchbase.org/ep-engine refs/changes/72/55972/1 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.couchbase.org/ep-engine refs/changes/72/55972/1 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.couchbase.org/ep-engine refs/changes/72/55972/1","Reset To":"git fetch https://review.couchbase.org/ep-engine refs/changes/72/55972/1 \u0026\u0026 git reset --hard FETCH_HEAD"}}},"commit":{"parents":[{"commit":"9d66f2cf9796c90249996e9a0c8453757e204a64","subject":"Address possible data race in access scanner"}],"author":{"name":"Chiyoung Seo","email":"chiyoung.seo@gmail.com","date":"2015-10-09 18:39:10.000000000","tz":-420},"committer":{"name":"Chiyoung Seo","email":"chiyoung.seo@gmail.com","date":"2015-10-09 18:39:10.000000000","tz":-420},"subject":"MB-16496 Fix the race on vbucket state between persistVBState() and compactVB()","message":"MB-16496 Fix the race on vbucket state between persistVBState() and compactVB()\n\nThe following data race is reported by thread sanitizer:\n\nWARNING: ThreadSanitizer: data race (pid\u003d29921)\n  Write of size 8 at 0x7d680001f580 by thread T5 (mutexes: write M12734):\n    #0 VBucket::setPurgeSeqno() ep-engine/src/vbucket.h:215:9 (ep.so+0x000000086204)\n    #1 EventuallyPersistentStore::compactVBucket() ep-engine/src/ep.cc:1584 (ep.so+0x000000086204)\n    #2 CompactVBucketTask::run() ep-engine/src/tasks.cc:94:12 (ep.so+0x00000012971e)\n    #3 ExecutorThread::run() ep-engine/src/executorthread.cc:115:26 (ep.so+0x0000000ea41d)\n    #4 launch_executor_thread() ep-engine/src/executorthread.cc:33:9 (ep.so+0x0000000e9fe5)\n    #5 platform_thread_wrap platform/src/cb_pthreads.c:23:5 (libplatform.so.0.1.0+0x000000004161)\n\n  Previous read of size 8 at 0x7d680001f580 by thread T7:\n    #0 VBucket::getPurgeSeqno() ep-engine/src/vbucket.h:211:16 (ep.so+0x0000000821d3)\n    #1 EventuallyPersistentStore::persistVBState() ep-engine/src/ep.cc:1217 (ep.so+0x0000000821d3)\n    #2 VBStatePersistTask::run() ep-engine/src/tasks.cc:86:12 (ep.so+0x000000129636)\n    #3 ExecutorThread::run() ep-engine/src/executorthread.cc:115:26 (ep.so+0x0000000ea41d)\n    #4 launch_executor_thread() ep-engine/src/executorthread.cc:33:9 (ep.so+0x0000000e9fe5)\n    #5 platform_thread_wrap platform/src/cb_pthreads.c:23:5 (libplatform.so.0.1.0+0x000000004161)\n\n  Location is heap block of size 1392 at 0x7d680001f200 allocated by main thread:\n    #0 operator new() \u003cnull\u003e (engine_testapp+0x00000045cded)\n    #1 EventuallyPersistentStore::setVBucketState() ep-engine/src/ep.cc:1300:30 (ep.so+0x000000082b1a)\n    #2 EventuallyPersistentEngine::setVBucketState() ep-engine/src/ep_engine.h:718:16 (ep.so+0x0000000ca308)\n    #3 setVBucket()) ep-engine/src/ep_engine.cc:884 (ep.so+0x0000000ca308)\n    #4 processUnknownCommand()) ep-engine/src/ep_engine.cc:1178 (ep.so+0x0000000ca308)\n    #5 EvpUnknownCommand()) ep-engine/src/ep_engine.cc:1389:38 (ep.so+0x0000000aafc8)\n    #6 mock_unknown_command()) memcached/programs/engine_testapp/engine_testapp.cc:380:19 (engine_testapp+0x0000004c56b9)\n    #7 set_vbucket_state() ep-engine/tests/ep_test_apis.cc:607:9 (ep_testsuite.so+0x0000000a3a4b)\n    #8 test_setup() ep-engine/tests/ep_testsuite_common.cc:146:28 (ep_testsuite.so+0x00000009cdda)\n    #9 execute_test() memcached/programs/engine_testapp/engine_testapp.cc:1085:47 (engine_testapp+0x0000004c4103)\n    #10 main memcached/programs/engine_testapp/engine_testapp.cc:1439 (engine_testapp+0x0000004c4103)\n\nTo address the above issue, vbucket states should be read after grabbing\nthe vbucket writer lock in EPStore::persistVBState().\n\nChange-Id: I5a42b3e15a1cf5c941d399897bc68d6f35746ff3\n"},"parents_data":[{"branch_name":"refs/heads/master","commit_id":"9d66f2cf9796c90249996e9a0c8453757e204a64","is_merged_in_target_branch":true,"change_id":"I1ecda866e396e3b6a702cd33a237228d7df7fa32","change_number":55939,"patch_set_number":5,"change_status":"MERGED"}],"branch":"refs/heads/master"},"528e068d6a6b010656664809eb85742c3d413f47":{"kind":"REWORK","_number":2,"created":"2015-10-09 19:23:35.000000000","uploader":{"_account_id":1000097,"name":"Chiyoung Seo","email":"chiyoung@northscale.com","username":"chiyoung","avatars":[{"url":"https://www.gravatar.com/avatar/ec517f4126dd292151b452ce4d1edf31.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d32","height":32},{"url":"https://www.gravatar.com/avatar/ec517f4126dd292151b452ce4d1edf31.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d56","height":56},{"url":"https://www.gravatar.com/avatar/ec517f4126dd292151b452ce4d1edf31.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d100","height":100},{"url":"https://www.gravatar.com/avatar/ec517f4126dd292151b452ce4d1edf31.jpg?d\u003didenticon\u0026r\u003dpg\u0026s\u003d120","height":120}]},"ref":"refs/changes/72/55972/2","fetch":{"anonymous http":{"url":"https://review.couchbase.org/ep-engine","ref":"refs/changes/72/55972/2","commands":{"Branch":"git fetch https://review.couchbase.org/ep-engine refs/changes/72/55972/2 \u0026\u0026 git checkout -b change-55972 FETCH_HEAD","Checkout":"git fetch https://review.couchbase.org/ep-engine refs/changes/72/55972/2 \u0026\u0026 git checkout FETCH_HEAD","Cherry Pick":"git fetch https://review.couchbase.org/ep-engine refs/changes/72/55972/2 \u0026\u0026 git cherry-pick FETCH_HEAD","Format Patch":"git fetch https://review.couchbase.org/ep-engine refs/changes/72/55972/2 \u0026\u0026 git format-patch -1 --stdout FETCH_HEAD","Pull":"git pull https://review.couchbase.org/ep-engine refs/changes/72/55972/2","Reset To":"git fetch https://review.couchbase.org/ep-engine refs/changes/72/55972/2 \u0026\u0026 git reset --hard FETCH_HEAD"}}},"commit":{"parents":[{"commit":"1527632975d7ad6235d1734b4dae3f0cad51b512","subject":"MB-16497: Address critical data race between DCP-Producer and Flusher"}],"author":{"name":"Chiyoung Seo","email":"chiyoung.seo@gmail.com","date":"2015-10-09 18:39:10.000000000","tz":-420},"committer":{"name":"Chiyoung Seo","email":"chiyoung@couchbase.com","date":"2015-10-09 19:23:35.000000000","tz":0},"subject":"MB-16496 Fix the race on vbucket state between persistVBState() and compactVB()","message":"MB-16496 Fix the race on vbucket state between persistVBState() and compactVB()\n\nThe following data race is reported by thread sanitizer:\n\nWARNING: ThreadSanitizer: data race (pid\u003d29921)\n  Write of size 8 at 0x7d680001f580 by thread T5 (mutexes: write M12734):\n    #0 VBucket::setPurgeSeqno() ep-engine/src/vbucket.h:215:9 (ep.so+0x000000086204)\n    #1 EventuallyPersistentStore::compactVBucket() ep-engine/src/ep.cc:1584 (ep.so+0x000000086204)\n    #2 CompactVBucketTask::run() ep-engine/src/tasks.cc:94:12 (ep.so+0x00000012971e)\n    #3 ExecutorThread::run() ep-engine/src/executorthread.cc:115:26 (ep.so+0x0000000ea41d)\n    #4 launch_executor_thread() ep-engine/src/executorthread.cc:33:9 (ep.so+0x0000000e9fe5)\n    #5 platform_thread_wrap platform/src/cb_pthreads.c:23:5 (libplatform.so.0.1.0+0x000000004161)\n\n  Previous read of size 8 at 0x7d680001f580 by thread T7:\n    #0 VBucket::getPurgeSeqno() ep-engine/src/vbucket.h:211:16 (ep.so+0x0000000821d3)\n    #1 EventuallyPersistentStore::persistVBState() ep-engine/src/ep.cc:1217 (ep.so+0x0000000821d3)\n    #2 VBStatePersistTask::run() ep-engine/src/tasks.cc:86:12 (ep.so+0x000000129636)\n    #3 ExecutorThread::run() ep-engine/src/executorthread.cc:115:26 (ep.so+0x0000000ea41d)\n    #4 launch_executor_thread() ep-engine/src/executorthread.cc:33:9 (ep.so+0x0000000e9fe5)\n    #5 platform_thread_wrap platform/src/cb_pthreads.c:23:5 (libplatform.so.0.1.0+0x000000004161)\n\n  Location is heap block of size 1392 at 0x7d680001f200 allocated by main thread:\n    #0 operator new() \u003cnull\u003e (engine_testapp+0x00000045cded)\n    #1 EventuallyPersistentStore::setVBucketState() ep-engine/src/ep.cc:1300:30 (ep.so+0x000000082b1a)\n    #2 EventuallyPersistentEngine::setVBucketState() ep-engine/src/ep_engine.h:718:16 (ep.so+0x0000000ca308)\n    #3 setVBucket()) ep-engine/src/ep_engine.cc:884 (ep.so+0x0000000ca308)\n    #4 processUnknownCommand()) ep-engine/src/ep_engine.cc:1178 (ep.so+0x0000000ca308)\n    #5 EvpUnknownCommand()) ep-engine/src/ep_engine.cc:1389:38 (ep.so+0x0000000aafc8)\n    #6 mock_unknown_command()) memcached/programs/engine_testapp/engine_testapp.cc:380:19 (engine_testapp+0x0000004c56b9)\n    #7 set_vbucket_state() ep-engine/tests/ep_test_apis.cc:607:9 (ep_testsuite.so+0x0000000a3a4b)\n    #8 test_setup() ep-engine/tests/ep_testsuite_common.cc:146:28 (ep_testsuite.so+0x00000009cdda)\n    #9 execute_test() memcached/programs/engine_testapp/engine_testapp.cc:1085:47 (engine_testapp+0x0000004c4103)\n    #10 main memcached/programs/engine_testapp/engine_testapp.cc:1439 (engine_testapp+0x0000004c4103)\n\nTo address the above issue, vbucket states should be read after grabbing\nthe vbucket writer lock in EPStore::persistVBState().\n\nChange-Id: I5a42b3e15a1cf5c941d399897bc68d6f35746ff3\nReviewed-on: http://review.couchbase.org/55972\nTested-by: buildbot \u003cbuild@couchbase.com\u003e\nReviewed-by: abhinav dangeti \u003cabhinav@couchbase.com\u003e\n"},"parents_data":[{"branch_name":"refs/heads/master","commit_id":"1527632975d7ad6235d1734b4dae3f0cad51b512","is_merged_in_target_branch":true,"change_id":"I980f1e874418468e71886d14c2406bccdae2ac2e","change_number":55973,"patch_set_number":3,"change_status":"MERGED"}],"branch":"refs/heads/master"}},"requirements":[],"submit_records":[],"submit_requirements":[]}