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Data race on writing_rollback variable. #447

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Data race on writing_rollback variable. #447

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Commits on Apr 8, 2020

  1. glibc 2.30 defines the gettid system call, which conflicts with the 

    tokuft test version.  rename tokuft test version to avoid conflict.
    @prohaska7
    prohaska7 committed Apr 8, 2020
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Commits on Apr 9, 2020

  1. Remove ctest timeout property so that we can use the ctest --timeout … 

    …parameter instead.
    @prohaska7
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  2. Fix ydb tests that fail due to loose file permissions. Note that file… 

    … permissions were changed in commit 5aca29f.
    @prohaska7
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  3. Remove obsolete debug code that was left in the tests by accident.

    @prohaska7
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  4. Add locktree and ydb tests cases that expose the lock request retry 

    bug when the lock memory use is over the limit.  The ydb tests
show that DB->put normally returns TOKUDB_OUT_OF_LOCKS when the
lock memory use is over the limit.
    @prohaska7
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  5. When a lock is released, pending lock requests are retried. If the 

    retry occurs and the lock memory use is over the limit, then pending
lock requests should be completed with TOKUDB_OUT_OF_LOCKS result.
The current code does not handle this case and crashes.  This commit
fixes this case and is sufficient to fix PS-4328.
    @prohaska7
    prohaska7 committed Apr 9, 2020
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  6. Speed up helgrind_test_partitioned_counter test by running helgrind 

    and drd scheduler with fairness (--fair-sched=try).  This should
reduce execution time from minutes to seconds.
    @prohaska7
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  7. Fix a test that crashed in put_callback due to a null deref. The test 

    should intentially abort instead.
    @prohaska7
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  8. Ignore mallopt error return in memory_init when running the address s… 

    …anitizer. This allows the tests to run.
    @prohaska7
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Commits on Apr 10, 2020

  1. Suppress pthread_mutex_destroy race with pthread_mutex_unlock again. 

    It causes helgrind to report false positive data races on tests,
specifically the helgrind_helgrind tests.

4101: ==17113== Possible data race during read of size 1 at 0x52FA980 by thread #1
4101: ==17113== Locks held: 1, at address 0x4C126C0
4101: ==17113==    at 0x483E99C: ??? (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_helgrind-amd64-linux.so)
4101: ==17113==    by 0x483EC4A: ??? (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_helgrind-amd64-linux.so)
4101: ==17113==    by 0x4A95654: toku_mutex_destroy(toku_mutex_t*) (toku_pthread.h:427)
4101: ==17113==    by 0x4B6CF5C: bjm_destroy(background_job_manager_struct*) (background_job_manager.cc:67)
4101: ==17113==    by 0x4ABE119: write_dirty_pairs_for_close(cachetable*, cachefile*) (cachetable.cc:2406)
4101: ==17113==    by 0x4ABE308: cachetable_flush_cachefile(cachetable*, cachefile*, bool) (cachetable.cc:2493)
4101: ==17113==    by 0x4AB99BE: toku_cachefile_close(cachefile**, bool, __toku_lsn) (cachetable.cc:529)
4101: ==17113==    by 0x4ACD7C2: toku_ft_evict_from_memory(ft*, bool, __toku_lsn) (ft.cc:499)
4101: ==17113==    by 0x4ACEADD: toku_ft_remove_reference(ft*, bool, __toku_lsn, void (*)(ft*, void*), void*) (ft.cc:949)
4101: ==17113==    by 0x4AE9B21: ft_handle_close(ft_handle*, bool, __toku_lsn) (ft-ops.cc:3272)
4101: ==17113==    by 0x4AE9B54: toku_ft_handle_close(ft_handle*) (ft-ops.cc:3280)
4101: ==17113==    by 0x4A8CD68: toku_db_close(__toku_db*) (ydb_db.cc:212)
4101: ==17113==
4101: ==17113== This conflicts with a previous write of size 4 by thread #10
4101: ==17113== Locks held: none
4101: ==17113==    at 0x4C557A1: __pthread_mutex_unlock_usercnt (pthread_mutex_unlock.c:51)
4101: ==17113==    by 0x4C557A1: pthread_mutex_unlock (pthread_mutex_unlock.c:357)
4101: ==17113==    by 0x483F458: ??? (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_helgrind-amd64-linux.so)
4101: ==17113==    by 0x4A84508: toku_mutex_unlock(toku_mutex_t*) (toku_pthread.h:256)
4101: ==17113==    by 0x4B6D0EC: bjm_remove_background_job(background_job_manager_struct*) (background_job_manager.cc:98)
4101: ==17113==    by 0x4ABDCDD: cachetable_flush_pair_for_close(void*) (cachetable.cc:2327)
4101: ==17113==    by 0x4B7D785: work_on_kibbutz(void*) (kibbutz.cc:154)
4101: ==17113==    by 0x4841B1A: ??? (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_helgrind-amd64-linux.so)
4101: ==17113==    by 0x4C51668: start_thread (pthread_create.c:479)
    @prohaska7
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  2. Suppress memcheck uninitialized data jump in lz_encoder_prepare. See h… 

    …ttps://prohaska7.blogspot.com/2015/11/uninitialized-data-problem-in-lzma.html for details.
    @prohaska7
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  3. Some ydb tests leak memory for pfs keys. Fix the ydb library init and… 

    … destroy functions.
    @prohaska7
    prohaska7 committed Apr 10, 2020
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Commits on Apr 11, 2020

  1. Suppress memory leak in libjson on ubuntu 19.10 when running cmake.

    @prohaska7
    prohaska7 committed Apr 11, 2020
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  2. Run try-leak-reachable with RelWithDebInfo build type by avoiding gcc… 

    … optimization.
    @prohaska7
    prohaska7 committed Apr 11, 2020
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  3. glibc 2.30 defines the gettid system call, which conflicts with the 

    tokuft test version.  rename tokuft test version to avoid conflict.
    @prohaska7
    prohaska7 committed Apr 11, 2020
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  4. Remove ctest timeout property so that we can use the ctest --timeout … 

    …parameter instead.
    @prohaska7
    prohaska7 committed Apr 11, 2020
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  5. Fix ydb tests that fail due to loose file permissions. Note that file… 

    … permissions were changed in commit 5aca29f.
    @prohaska7
    prohaska7 committed Apr 11, 2020
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  6. Remove obsolete debug code that was left in the tests by accident.

    @prohaska7
    prohaska7 committed Apr 11, 2020
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  7. Add locktree and ydb tests cases that expose the lock request retry 

    bug when the lock memory use is over the limit.  The ydb tests
show that DB->put normally returns TOKUDB_OUT_OF_LOCKS when the
lock memory use is over the limit.
    @prohaska7
    prohaska7 committed Apr 11, 2020
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  8. When a lock is released, pending lock requests are retried. If the 

    retry occurs and the lock memory use is over the limit, then pending
lock requests should be completed with TOKUDB_OUT_OF_LOCKS result.
The current code does not handle this case and crashes.  This commit
fixes this case and is sufficient to fix PS-4328.
    @prohaska7
    prohaska7 committed Apr 11, 2020
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  9. Speed up helgrind_test_partitioned_counter test by running helgrind 

    and drd scheduler with fairness (--fair-sched=try).  This should
reduce execution time from minutes to seconds.
    @prohaska7
    prohaska7 committed Apr 11, 2020
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  10. Fix a test that crashed in put_callback due to a null deref. The test 

    should intentially abort instead.
    @prohaska7
    prohaska7 committed Apr 11, 2020
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  11. Ignore mallopt error return in memory_init when running the address s… 

    …anitizer. This allows the tests to run.
    @prohaska7
    prohaska7 committed Apr 11, 2020
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  12. Suppress pthread_mutex_destroy race with pthread_mutex_unlock again. 

    It causes helgrind to report false positive data races on tests,
specifically the helgrind_helgrind tests.

4101: ==17113== Possible data race during read of size 1 at 0x52FA980 by thread #1
4101: ==17113== Locks held: 1, at address 0x4C126C0
4101: ==17113==    at 0x483E99C: ??? (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_helgrind-amd64-linux.so)
4101: ==17113==    by 0x483EC4A: ??? (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_helgrind-amd64-linux.so)
4101: ==17113==    by 0x4A95654: toku_mutex_destroy(toku_mutex_t*) (toku_pthread.h:427)
4101: ==17113==    by 0x4B6CF5C: bjm_destroy(background_job_manager_struct*) (background_job_manager.cc:67)
4101: ==17113==    by 0x4ABE119: write_dirty_pairs_for_close(cachetable*, cachefile*) (cachetable.cc:2406)
4101: ==17113==    by 0x4ABE308: cachetable_flush_cachefile(cachetable*, cachefile*, bool) (cachetable.cc:2493)
4101: ==17113==    by 0x4AB99BE: toku_cachefile_close(cachefile**, bool, __toku_lsn) (cachetable.cc:529)
4101: ==17113==    by 0x4ACD7C2: toku_ft_evict_from_memory(ft*, bool, __toku_lsn) (ft.cc:499)
4101: ==17113==    by 0x4ACEADD: toku_ft_remove_reference(ft*, bool, __toku_lsn, void (*)(ft*, void*), void*) (ft.cc:949)
4101: ==17113==    by 0x4AE9B21: ft_handle_close(ft_handle*, bool, __toku_lsn) (ft-ops.cc:3272)
4101: ==17113==    by 0x4AE9B54: toku_ft_handle_close(ft_handle*) (ft-ops.cc:3280)
4101: ==17113==    by 0x4A8CD68: toku_db_close(__toku_db*) (ydb_db.cc:212)
4101: ==17113==
4101: ==17113== This conflicts with a previous write of size 4 by thread #10
4101: ==17113== Locks held: none
4101: ==17113==    at 0x4C557A1: __pthread_mutex_unlock_usercnt (pthread_mutex_unlock.c:51)
4101: ==17113==    by 0x4C557A1: pthread_mutex_unlock (pthread_mutex_unlock.c:357)
4101: ==17113==    by 0x483F458: ??? (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_helgrind-amd64-linux.so)
4101: ==17113==    by 0x4A84508: toku_mutex_unlock(toku_mutex_t*) (toku_pthread.h:256)
4101: ==17113==    by 0x4B6D0EC: bjm_remove_background_job(background_job_manager_struct*) (background_job_manager.cc:98)
4101: ==17113==    by 0x4ABDCDD: cachetable_flush_pair_for_close(void*) (cachetable.cc:2327)
4101: ==17113==    by 0x4B7D785: work_on_kibbutz(void*) (kibbutz.cc:154)
4101: ==17113==    by 0x4841B1A: ??? (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_helgrind-amd64-linux.so)
4101: ==17113==    by 0x4C51668: start_thread (pthread_create.c:479)
    @prohaska7
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  13. Suppress memcheck uninitialized data jump in lz_encoder_prepare. See h… 

    …ttps://prohaska7.blogspot.com/2015/11/uninitialized-data-problem-in-lzma.html for details.
    @prohaska7
    prohaska7 committed Apr 11, 2020
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  14. Some ydb tests leak memory for pfs keys. Fix the ydb library init and… 

    … destroy functions.
    @prohaska7
    prohaska7 committed Apr 11, 2020
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  15. Suppress memory leak in libjson on ubuntu 19.10 when running cmake.

    @prohaska7
    prohaska7 committed Apr 11, 2020
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  16. Run try-leak-reachable with RelWithDebInfo build type by avoiding gcc… 

    … optimization.
    @prohaska7
    prohaska7 committed Apr 11, 2020
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  17. Merge branch 'apr2020' of github.com:prohaska7/tokuft into apr2020

    @prohaska7
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Commits on Apr 19, 2020

  1. Fix data race on the writing_rollback variable detected by the DRD an… 

    …d the thread sanitizer.

Multiple threads are allowed to increment and decrement this variable without
any atomicity.  The solution is to change the type of the writing_rollback
variable from an 'int' to an 'atomic_int'.

One may need to run the following test cases multiple times to stumble upon
the data race.

ctest -R ydb/drd_test_groupcommit_count --verbose

4104: ==21516== Thread 43:
4104: ==21516== Conflicting load by thread 43 at 0x04c22440 size 4
4104: ==21516==    at 0x4B4EB26: rollback_log_create(tokutxn*, blocknum_s, rollback_log_node**) (rollback.cc:160)
4104: ==21516==    by 0x4B4F4D9: toku_get_and_pin_rollback_log_for_new_entry(tokutxn*, rollback_log_node**) (rollback.cc:327)
4104: ==21516==    by 0x4B6F45F: toku_logger_save_rollback_cmdinsert(tokutxn*, FILENUM, BYTESTRING*) (log_code.cc:2007)
4104: ==21516==    by 0x4AF3117: ft_txn_log_insert(ft*, __toku_dbt*, __toku_dbt*, tokutxn*, bool, ft_msg_type) (ft-ops.cc:2406)
4104: ==21516==    by 0x4AF32B0: toku_ft_maybe_insert(ft_handle*, __toku_dbt*, __toku_dbt*, tokutxn*, bool, __toku_lsn, bool, ft_msg_type) (ft-ops.cc:2423)
4104: ==21516==    by 0x4AA2AA9: db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, int, bool) (ydb_write.cc:221)
4104: ==21516==    by 0x4AA2CB3: toku_db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, unsigned int, bool) (ydb_write.cc:248)
4104: ==21516==    by 0x4AA68FC: autotxn_db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, unsigned int) (ydb_write.cc:1078)
4104: ==21516==    by 0x10B099: start_a_thread(void*) (test_groupcommit_count.cc:64)
4104: ==21516==    by 0x48414BA: ??? (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4104: ==21516==    by 0x4C5D668: start_thread (pthread_create.c:479)
4104: ==21516==    by 0x4D99322: clone (clone.S:95)
4104: ==21516== Allocation context: BSS section of /home/rfp/projects/tokuft-Debug-gcc-7/src/libtokufractaltree.so
4104: ==21516== Other segment start (thread 42)
4104: ==21516==    at 0x484587C: pthread_mutex_unlock (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4104: ==21516==    by 0x4B8BE37: pc_unlock() (partitioned_counter.cc:151)
4104: ==21516==    by 0x4B8C583: get_or_alloc_thread_local_counter(partitioned_counter*) (partitioned_counter.cc:366)
4104: ==21516==    by 0x4B8C5C0: increment_partitioned_counter (partitioned_counter.cc:375)
4104: ==21516==    by 0x4ACD9B5: evictor::add_pair_attr(pair_attr_s) (cachetable.cc:3769)
4104: ==21516==    by 0x4AC684E: cachetable_insert_pair_at(cachetable*, ctpair*, pair_attr_s) (cachetable.cc:871)
4104: ==21516==    by 0x4AC689E: cachetable_put_internal(cachefile*, ctpair*, void*, pair_attr_s, void (*)(blocknum_s, void*, ctpair*)) (cachetable.cc:897)
4104: ==21516==    by 0x4AC7410: toku_cachetable_put(cachefile*, blocknum_s, unsigned int, void*, pair_attr_s, CACHETABLE_WRITE_CALLBACK, void (*)(blocknum_s, void*, ctpair*)) (cachetable.cc:1207)
4104: ==21516==    by 0x4B4EC6F: rollback_log_create(tokutxn*, blocknum_s, rollback_log_node**) (rollback.cc:170)
4104: ==21516==    by 0x4B4F4D9: toku_get_and_pin_rollback_log_for_new_entry(tokutxn*, rollback_log_node**) (rollback.cc:327)
4104: ==21516==    by 0x4B6F45F: toku_logger_save_rollback_cmdinsert(tokutxn*, FILENUM, BYTESTRING*) (log_code.cc:2007)
4104: ==21516==    by 0x4AF3117: ft_txn_log_insert(ft*, __toku_dbt*, __toku_dbt*, tokutxn*, bool, ft_msg_type) (ft-ops.cc:2406)
4104: ==21516== Other segment end (thread 42)
4104: ==21516==    at 0x484482C: pthread_mutex_lock (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4104: ==21516==    by 0x4A90590: toku_mutex_lock_with_source_location(toku_mutex_t*, char const*, int) (toku_pthread.h:267)
4104: ==21516==    by 0x4AC49BB: pair_lock(ctpair*) (cachetable.cc:117)
4104: ==21516==    by 0x4AC8D38: cachetable_unpin_internal(cachefile*, ctpair*, cachetable_dirty, pair_attr_s, bool) (cachetable.cc:1899)
4104: ==21516==    by 0x4AC8F5B: toku_cachetable_unpin(cachefile*, ctpair*, cachetable_dirty, pair_attr_s) (cachetable.cc:1932)
4104: ==21516==    by 0x4B4ED32: toku_rollback_log_unpin(tokutxn*, rollback_log_node*) (rollback.cc:181)
4104: ==21516==    by 0x4B6F5CE: toku_logger_save_rollback_cmdinsert(tokutxn*, FILENUM, BYTESTRING*) (log_code.cc:2029)
4104: ==21516==    by 0x4AF3117: ft_txn_log_insert(ft*, __toku_dbt*, __toku_dbt*, tokutxn*, bool, ft_msg_type) (ft-ops.cc:2406)
4104: ==21516==    by 0x4AF32B0: toku_ft_maybe_insert(ft_handle*, __toku_dbt*, __toku_dbt*, tokutxn*, bool, __toku_lsn, bool, ft_msg_type) (ft-ops.cc:2423)
4104: ==21516==    by 0x4AA2AA9: db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, int, bool) (ydb_write.cc:221)
4104: ==21516==    by 0x4AA2CB3: toku_db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, unsigned int, bool) (ydb_write.cc:248)
4104: ==21516==    by 0x4AA68FC: autotxn_db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, unsigned int) (ydb_write.cc:1078)
4104: ==21516==
4104: ==21516== Conflicting store by thread 43 at 0x04c22440 size 4
4104: ==21516==    at 0x4B4EB32: rollback_log_create(tokutxn*, blocknum_s, rollback_log_node**) (rollback.cc:160)
4104: ==21516==    by 0x4B4F4D9: toku_get_and_pin_rollback_log_for_new_entry(tokutxn*, rollback_log_node**) (rollback.cc:327)
4104: ==21516==    by 0x4B6F45F: toku_logger_save_rollback_cmdinsert(tokutxn*, FILENUM, BYTESTRING*) (log_code.cc:2007)
4104: ==21516==    by 0x4AF3117: ft_txn_log_insert(ft*, __toku_dbt*, __toku_dbt*, tokutxn*, bool, ft_msg_type) (ft-ops.cc:2406)
4104: ==21516==    by 0x4AF32B0: toku_ft_maybe_insert(ft_handle*, __toku_dbt*, __toku_dbt*, tokutxn*, bool, __toku_lsn, bool, ft_msg_type) (ft-ops.cc:2423)
4104: ==21516==    by 0x4AA2AA9: db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, int, bool) (ydb_write.cc:221)
4104: ==21516==    by 0x4AA2CB3: toku_db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, unsigned int, bool) (ydb_write.cc:248)
4104: ==21516==    by 0x4AA68FC: autotxn_db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, unsigned int) (ydb_write.cc:1078)
4104: ==21516==    by 0x10B099: start_a_thread(void*) (test_groupcommit_count.cc:64)
4104: ==21516==    by 0x48414BA: ??? (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4104: ==21516==    by 0x4C5D668: start_thread (pthread_create.c:479)
4104: ==21516==    by 0x4D99322: clone (clone.S:95)
4104: ==21516== Allocation context: BSS section of /home/rfp/projects/tokuft-Debug-gcc-7/src/libtokufractaltree.so
4104: ==21516== Other segment start (thread 42)
4104: ==21516==    at 0x484587C: pthread_mutex_unlock (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4104: ==21516==    by 0x4B8BE37: pc_unlock() (partitioned_counter.cc:151)
4104: ==21516==    by 0x4B8C583: get_or_alloc_thread_local_counter(partitioned_counter*) (partitioned_counter.cc:366)
4104: ==21516==    by 0x4B8C5C0: increment_partitioned_counter (partitioned_counter.cc:375)
4104: ==21516==    by 0x4ACD9B5: evictor::add_pair_attr(pair_attr_s) (cachetable.cc:3769)
4104: ==21516==    by 0x4AC684E: cachetable_insert_pair_at(cachetable*, ctpair*, pair_attr_s) (cachetable.cc:871)
4104: ==21516==    by 0x4AC689E: cachetable_put_internal(cachefile*, ctpair*, void*, pair_attr_s, void (*)(blocknum_s, void*, ctpair*)) (cachetable.cc:897)
4104: ==21516==    by 0x4AC7410: toku_cachetable_put(cachefile*, blocknum_s, unsigned int, void*, pair_attr_s, CACHETABLE_WRITE_CALLBACK, void (*)(blocknum_s, void*, ctpair*)) (cachetable.cc:1207)
4104: ==21516==    by 0x4B4EC6F: rollback_log_create(tokutxn*, blocknum_s, rollback_log_node**) (rollback.cc:170)
4104: ==21516==    by 0x4B4F4D9: toku_get_and_pin_rollback_log_for_new_entry(tokutxn*, rollback_log_node**) (rollback.cc:327)
4104: ==21516==    by 0x4B6F45F: toku_logger_save_rollback_cmdinsert(tokutxn*, FILENUM, BYTESTRING*) (log_code.cc:2007)
4104: ==21516==    by 0x4AF3117: ft_txn_log_insert(ft*, __toku_dbt*, __toku_dbt*, tokutxn*, bool, ft_msg_type) (ft-ops.cc:2406)
4104: ==21516== Other segment end (thread 42)
4104: ==21516==    at 0x484482C: pthread_mutex_lock (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4104: ==21516==    by 0x4A90590: toku_mutex_lock_with_source_location(toku_mutex_t*, char const*, int) (toku_pthread.h:267)
4104: ==21516==    by 0x4AC49BB: pair_lock(ctpair*) (cachetable.cc:117)
4104: ==21516==    by 0x4AC8D38: cachetable_unpin_internal(cachefile*, ctpair*, cachetable_dirty, pair_attr_s, bool) (cachetable.cc:1899)
4104: ==21516==    by 0x4AC8F5B: toku_cachetable_unpin(cachefile*, ctpair*, cachetable_dirty, pair_attr_s) (cachetable.cc:1932)
4104: ==21516==    by 0x4B4ED32: toku_rollback_log_unpin(tokutxn*, rollback_log_node*) (rollback.cc:181)
4104: ==21516==    by 0x4B6F5CE: toku_logger_save_rollback_cmdinsert(tokutxn*, FILENUM, BYTESTRING*) (log_code.cc:2029)
4104: ==21516==    by 0x4AF3117: ft_txn_log_insert(ft*, __toku_dbt*, __toku_dbt*, tokutxn*, bool, ft_msg_type) (ft-ops.cc:2406)
4104: ==21516==    by 0x4AF32B0: toku_ft_maybe_insert(ft_handle*, __toku_dbt*, __toku_dbt*, tokutxn*, bool, __toku_lsn, bool, ft_msg_type) (ft-ops.cc:2423)
4104: ==21516==    by 0x4AA2AA9: db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, int, bool) (ydb_write.cc:221)
4104: ==21516==    by 0x4AA2CB3: toku_db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, unsigned int, bool) (ydb_write.cc:248)
4104: ==21516==    by 0x4AA68FC: autotxn_db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, unsigned int) (ydb_write.cc:1078)

ctest -R ydb/drd_tiny_test_stress0 --verbose

4107: ==21390== Thread 52:
4107: ==21390== Conflicting load by thread 52 at 0x04c22440 size 4
4107: ==21390==    at 0x4B4EB26: rollback_log_create(tokutxn*, blocknum_s, rollback_log_node**) (rollback.cc:160)
4107: ==21390==    by 0x4B4F4D9: toku_get_and_pin_rollback_log_for_new_entry(tokutxn*, rollback_log_node**) (rollback.cc:327)
4107: ==21390==    by 0x4B6FF22: toku_logger_save_rollback_cmdupdate(tokutxn*, FILENUM, BYTESTRING*) (log_code.cc:2168)
4107: ==21390==    by 0x4AF3741: toku_ft_maybe_update(ft_handle*, __toku_dbt const*, __toku_dbt const*, tokutxn*, bool, __toku_lsn, bool) (ft-ops.cc:2485)
4107: ==21390==    by 0x4AA2FB8: toku_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:290)
4107: ==21390==    by 0x4AA69C5: autotxn_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:1094)
4107: ==21390==    by 0x113C8F: update_op_db(__toku_db*, __toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1488)
4107: ==21390==    by 0x113D55: update_op(__toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1508)
4107: ==21390==    by 0x10F64D: worker(void*) (threaded_stress_test_helpers.h:537)
4107: ==21390==    by 0x48414BA: ??? (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4107: ==21390==    by 0x4C8B668: start_thread (pthread_create.c:479)
4107: ==21390==    by 0x4DC7322: clone (clone.S:95)
4107: ==21390== Allocation context: BSS section of /home/rfp/projects/tokuft-Debug-gcc-7/src/libtokufractaltree.so
4107: ==21390== Other segment start (thread 53)
4107: ==21390==    at 0x484E3FB: pthread_rwlock_unlock (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4107: ==21390==    by 0x4A9095C: toku_pthread_rwlock_wrunlock(toku_pthread_rwlock_t*) (toku_pthread.h:496)
4107: ==21390==    by 0x4ACCE5D: pair_list::write_list_unlock() (cachetable.cc:3580)
4107: ==21390==    by 0x4AC742C: toku_cachetable_put(cachefile*, blocknum_s, unsigned int, void*, pair_attr_s, CACHETABLE_WRITE_CALLBACK, void (*)(blocknum_s, void*, ctpair*)) (cachetable.cc:1215)
4107: ==21390==    by 0x4B4EC6F: rollback_log_create(tokutxn*, blocknum_s, rollback_log_node**) (rollback.cc:170)
4107: ==21390==    by 0x4B4F4D9: toku_get_and_pin_rollback_log_for_new_entry(tokutxn*, rollback_log_node**) (rollback.cc:327)
4107: ==21390==    by 0x4B6FF22: toku_logger_save_rollback_cmdupdate(tokutxn*, FILENUM, BYTESTRING*) (log_code.cc:2168)
4107: ==21390==    by 0x4AF3741: toku_ft_maybe_update(ft_handle*, __toku_dbt const*, __toku_dbt const*, tokutxn*, bool, __toku_lsn, bool) (ft-ops.cc:2485)
4107: ==21390==    by 0x4AA2FB8: toku_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:290)
4107: ==21390==    by 0x4AA69C5: autotxn_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:1094)
4107: ==21390==    by 0x113C8F: update_op_db(__toku_db*, __toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1488)
4107: ==21390==    by 0x113D55: update_op(__toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1508)
4107: ==21390== Other segment end (thread 53)
4107: ==21390==    at 0x484482C: pthread_mutex_lock (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4107: ==21390==    by 0x4A90590: toku_mutex_lock_with_source_location(toku_mutex_t*, char const*, int) (toku_pthread.h:267)
4107: ==21390==    by 0x4AC49BB: pair_lock(ctpair*) (cachetable.cc:117)
4107: ==21390==    by 0x4AC8D38: cachetable_unpin_internal(cachefile*, ctpair*, cachetable_dirty, pair_attr_s, bool) (cachetable.cc:1899)
4107: ==21390==    by 0x4AC8F5B: toku_cachetable_unpin(cachefile*, ctpair*, cachetable_dirty, pair_attr_s) (cachetable.cc:1932)
4107: ==21390==    by 0x4B4ED32: toku_rollback_log_unpin(tokutxn*, rollback_log_node*) (rollback.cc:181)
4107: ==21390==    by 0x4B70091: toku_logger_save_rollback_cmdupdate(tokutxn*, FILENUM, BYTESTRING*) (log_code.cc:2190)
4107: ==21390==    by 0x4AF3741: toku_ft_maybe_update(ft_handle*, __toku_dbt const*, __toku_dbt const*, tokutxn*, bool, __toku_lsn, bool) (ft-ops.cc:2485)
4107: ==21390==    by 0x4AA2FB8: toku_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:290)
4107: ==21390==    by 0x4AA69C5: autotxn_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:1094)
4107: ==21390==    by 0x113C8F: update_op_db(__toku_db*, __toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1488)
4107: ==21390==    by 0x113D55: update_op(__toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1508)
4107: ==21390== Other segment start (thread 53)
4107: ==21390==    at 0x484587C: pthread_mutex_unlock (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4107: ==21390==    by 0x4A90508: toku_mutex_unlock(toku_mutex_t*) (toku_pthread.h:256)
4107: ==21390==    by 0x4B521CD: rollback_log_node_cache::get_rollback_log_node(tokutxn*, rollback_log_node**) (rollback_log_node_cache.cc:101)
4107: ==21390==    by 0x4B4F478: toku_get_and_pin_rollback_log_for_new_entry(tokutxn*, rollback_log_node**) (rollback.cc:316)
4107: ==21390==    by 0x4B6FF22: toku_logger_save_rollback_cmdupdate(tokutxn*, FILENUM, BYTESTRING*) (log_code.cc:2168)
4107: ==21390==    by 0x4AF3741: toku_ft_maybe_update(ft_handle*, __toku_dbt const*, __toku_dbt const*, tokutxn*, bool, __toku_lsn, bool) (ft-ops.cc:2485)
4107: ==21390==    by 0x4AA2FB8: toku_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:290)
4107: ==21390==    by 0x4AA69C5: autotxn_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:1094)
4107: ==21390==    by 0x113C8F: update_op_db(__toku_db*, __toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1488)
4107: ==21390==    by 0x113D55: update_op(__toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1508)
4107: ==21390==    by 0x10F64D: worker(void*) (threaded_stress_test_helpers.h:537)
4107: ==21390==    by 0x48414BA: ??? (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4107: ==21390== Other segment end (thread 53)
4107: ==21390==    at 0x484482C: pthread_mutex_lock (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4107: ==21390==    by 0x4A90590: toku_mutex_lock_with_source_location(toku_mutex_t*, char const*, int) (toku_pthread.h:267)
4107: ==21390==    by 0x4B3A2D1: block_table::_mutex_lock() (block_table.cc:72)
4107: ==21390==    by 0x4B3BE7D: block_table::allocate_blocknum(blocknum_s*, ft*) (block_table.cc:682)
4107: ==21390==    by 0x4B4EBBB: rollback_log_create(tokutxn*, blocknum_s, rollback_log_node**) (rollback.cc:167)
4107: ==21390==    by 0x4B4F4D9: toku_get_and_pin_rollback_log_for_new_entry(tokutxn*, rollback_log_node**) (rollback.cc:327)
4107: ==21390==    by 0x4B6FF22: toku_logger_save_rollback_cmdupdate(tokutxn*, FILENUM, BYTESTRING*) (log_code.cc:2168)
4107: ==21390==    by 0x4AF3741: toku_ft_maybe_update(ft_handle*, __toku_dbt const*, __toku_dbt const*, tokutxn*, bool, __toku_lsn, bool) (ft-ops.cc:2485)
4107: ==21390==    by 0x4AA2FB8: toku_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:290)
4107: ==21390==    by 0x4AA69C5: autotxn_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:1094)
4107: ==21390==    by 0x113C8F: update_op_db(__toku_db*, __toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1488)
4107: ==21390==    by 0x113D55: update_op(__toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1508)
4107: ==21390==
4107: ==21390== Conflicting store by thread 52 at 0x04c22440 size 4
4107: ==21390==    at 0x4B4EB32: rollback_log_create(tokutxn*, blocknum_s, rollback_log_node**) (rollback.cc:160)
4107: ==21390==    by 0x4B4F4D9: toku_get_and_pin_rollback_log_for_new_entry(tokutxn*, rollback_log_node**) (rollback.cc:327)
4107: ==21390==    by 0x4B6FF22: toku_logger_save_rollback_cmdupdate(tokutxn*, FILENUM, BYTESTRING*) (log_code.cc:2168)
4107: ==21390==    by 0x4AF3741: toku_ft_maybe_update(ft_handle*, __toku_dbt const*, __toku_dbt const*, tokutxn*, bool, __toku_lsn, bool) (ft-ops.cc:2485)
4107: ==21390==    by 0x4AA2FB8: toku_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:290)
4107: ==21390==    by 0x4AA69C5: autotxn_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:1094)
4107: ==21390==    by 0x113C8F: update_op_db(__toku_db*, __toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1488)
4107: ==21390==    by 0x113D55: update_op(__toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1508)
4107: ==21390==    by 0x10F64D: worker(void*) (threaded_stress_test_helpers.h:537)
4107: ==21390==    by 0x48414BA: ??? (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4107: ==21390==    by 0x4C8B668: start_thread (pthread_create.c:479)
4107: ==21390==    by 0x4DC7322: clone (clone.S:95)
4107: ==21390== Allocation context: BSS section of /home/rfp/projects/tokuft-Debug-gcc-7/src/libtokufractaltree.so
4107: ==21390== Other segment start (thread 53)
4107: ==21390==    at 0x484E3FB: pthread_rwlock_unlock (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4107: ==21390==    by 0x4A9095C: toku_pthread_rwlock_wrunlock(toku_pthread_rwlock_t*) (toku_pthread.h:496)
4107: ==21390==    by 0x4ACCE5D: pair_list::write_list_unlock() (cachetable.cc:3580)
4107: ==21390==    by 0x4AC742C: toku_cachetable_put(cachefile*, blocknum_s, unsigned int, void*, pair_attr_s, CACHETABLE_WRITE_CALLBACK, void (*)(blocknum_s, void*, ctpair*)) (cachetable.cc:1215)
4107: ==21390==    by 0x4B4EC6F: rollback_log_create(tokutxn*, blocknum_s, rollback_log_node**) (rollback.cc:170)
4107: ==21390==    by 0x4B4F4D9: toku_get_and_pin_rollback_log_for_new_entry(tokutxn*, rollback_log_node**) (rollback.cc:327)
4107: ==21390==    by 0x4B6FF22: toku_logger_save_rollback_cmdupdate(tokutxn*, FILENUM, BYTESTRING*) (log_code.cc:2168)
4107: ==21390==    by 0x4AF3741: toku_ft_maybe_update(ft_handle*, __toku_dbt const*, __toku_dbt const*, tokutxn*, bool, __toku_lsn, bool) (ft-ops.cc:2485)
4107: ==21390==    by 0x4AA2FB8: toku_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:290)
4107: ==21390==    by 0x4AA69C5: autotxn_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:1094)
4107: ==21390==    by 0x113C8F: update_op_db(__toku_db*, __toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1488)
4107: ==21390==    by 0x113D55: update_op(__toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1508)
4107: ==21390== Other segment end (thread 53)
4107: ==21390==    at 0x484482C: pthread_mutex_lock (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4107: ==21390==    by 0x4A90590: toku_mutex_lock_with_source_location(toku_mutex_t*, char const*, int) (toku_pthread.h:267)
4107: ==21390==    by 0x4AC49BB: pair_lock(ctpair*) (cachetable.cc:117)
4107: ==21390==    by 0x4AC8D38: cachetable_unpin_internal(cachefile*, ctpair*, cachetable_dirty, pair_attr_s, bool) (cachetable.cc:1899)
4107: ==21390==    by 0x4AC8F5B: toku_cachetable_unpin(cachefile*, ctpair*, cachetable_dirty, pair_attr_s) (cachetable.cc:1932)
4107: ==21390==    by 0x4B4ED32: toku_rollback_log_unpin(tokutxn*, rollback_log_node*) (rollback.cc:181)
4107: ==21390==    by 0x4B70091: toku_logger_save_rollback_cmdupdate(tokutxn*, FILENUM, BYTESTRING*) (log_code.cc:2190)
4107: ==21390==    by 0x4AF3741: toku_ft_maybe_update(ft_handle*, __toku_dbt const*, __toku_dbt const*, tokutxn*, bool, __toku_lsn, bool) (ft-ops.cc:2485)
4107: ==21390==    by 0x4AA2FB8: toku_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:290)
4107: ==21390==    by 0x4AA69C5: autotxn_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:1094)
4107: ==21390==    by 0x113C8F: update_op_db(__toku_db*, __toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1488)
4107: ==21390==    by 0x113D55: update_op(__toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1508)
4107: ==21390== Other segment start (thread 53)
4107: ==21390==    at 0x484587C: pthread_mutex_unlock (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4107: ==21390==    by 0x4A90508: toku_mutex_unlock(toku_mutex_t*) (toku_pthread.h:256)
4107: ==21390==    by 0x4B521CD: rollback_log_node_cache::get_rollback_log_node(tokutxn*, rollback_log_node**) (rollback_log_node_cache.cc:101)
4107: ==21390==    by 0x4B4F478: toku_get_and_pin_rollback_log_for_new_entry(tokutxn*, rollback_log_node**) (rollback.cc:316)
4107: ==21390==    by 0x4B6FF22: toku_logger_save_rollback_cmdupdate(tokutxn*, FILENUM, BYTESTRING*) (log_code.cc:2168)
4107: ==21390==    by 0x4AF3741: toku_ft_maybe_update(ft_handle*, __toku_dbt const*, __toku_dbt const*, tokutxn*, bool, __toku_lsn, bool) (ft-ops.cc:2485)
4107: ==21390==    by 0x4AA2FB8: toku_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:290)
4107: ==21390==    by 0x4AA69C5: autotxn_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:1094)
4107: ==21390==    by 0x113C8F: update_op_db(__toku_db*, __toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1488)
4107: ==21390==    by 0x113D55: update_op(__toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1508)
4107: ==21390==    by 0x10F64D: worker(void*) (threaded_stress_test_helpers.h:537)
4107: ==21390==    by 0x48414BA: ??? (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4107: ==21390== Other segment end (thread 53)
4107: ==21390==    at 0x484482C: pthread_mutex_lock (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_drd-amd64-linux.so)
4107: ==21390==    by 0x4A90590: toku_mutex_lock_with_source_location(toku_mutex_t*, char const*, int) (toku_pthread.h:267)
4107: ==21390==    by 0x4B3A2D1: block_table::_mutex_lock() (block_table.cc:72)
4107: ==21390==    by 0x4B3BE7D: block_table::allocate_blocknum(blocknum_s*, ft*) (block_table.cc:682)
4107: ==21390==    by 0x4B4EBBB: rollback_log_create(tokutxn*, blocknum_s, rollback_log_node**) (rollback.cc:167)
4107: ==21390==    by 0x4B4F4D9: toku_get_and_pin_rollback_log_for_new_entry(tokutxn*, rollback_log_node**) (rollback.cc:327)
4107: ==21390==    by 0x4B6FF22: toku_logger_save_rollback_cmdupdate(tokutxn*, FILENUM, BYTESTRING*) (log_code.cc:2168)
4107: ==21390==    by 0x4AF3741: toku_ft_maybe_update(ft_handle*, __toku_dbt const*, __toku_dbt const*, tokutxn*, bool, __toku_lsn, bool) (ft-ops.cc:2485)
4107: ==21390==    by 0x4AA2FB8: toku_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:290)
4107: ==21390==    by 0x4AA69C5: autotxn_db_update(__toku_db*, __toku_db_txn*, __toku_dbt const*, __toku_dbt const*, unsigned int) (ydb_write.cc:1094)
4107: ==21390==    by 0x113C8F: update_op_db(__toku_db*, __toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1488)
4107: ==21390==    by 0x113D55: update_op(__toku_db_txn*, arg*, void*, void*) (threaded_stress_test_helpers.h:1508)

Also observed by the thread sanitizer when running
ctest -R ydb/checkpoint_fairness --verbose

4793: WARNING: ThreadSanitizer: data race (pid=10298)
4793:   Write of size 4 at 0x7fd7194ac2b8 by thread T35 (mutexes: read M11, write M1048777):
4793:     #0 rollback_log_create(tokutxn*, blocknum_s, rollback_log_node**) /home/rfp/projects/tokuft/ft/txn/rollback.cc:160:21 (libtokufractaltree.so+0x18b990)
4793:     #1 toku_get_and_pin_rollback_log_for_new_entry(tokutxn*, rollback_log_node**) /home/rfp/projects/tokuft/ft/txn/rollback.cc:327:13 (libtokufractaltree.so+0x18b4c9)
4793:     #2 toku_logger_save_rollback_cmdinsert(tokutxn*, FILENUM, BYTESTRING*) /home/rfp/projects/tokuft-tsan/ft/log_code.cc:2007:3 (libtokufractaltree.so+0x1c7912)
4793:     #3 ft_txn_log_insert(ft*, __toku_dbt*, __toku_dbt*, tokutxn*, bool, ft_msg_type) /home/rfp/projects/tokuft/ft/ft-ops.cc:2406:9 (libtokufractaltree.so+0xd2c2c)
4793:     #4 toku_ft_maybe_insert(ft_handle*, __toku_dbt*, __toku_dbt*, tokutxn*, bool, __toku_lsn, bool, ft_msg_type) /home/rfp/projects/tokuft/ft/ft-ops.cc:2423:5 (libtokufractaltree.so+0xd3135)
4793:     #5 db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, int, bool) /home/rfp/projects/tokuft/src/ydb_write.cc:221:13 (libtokufractaltree.so+0x45d33)
4793:     #6 toku_db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, unsigned int, bool) /home/rfp/projects/tokuft/src/ydb_write.cc:248:13 (libtokufractaltree.so+0x456e3)
4793:     #7 autotxn_db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, unsigned int) /home/rfp/projects/tokuft/src/ydb_write.cc:1078:9 (libtokufractaltree.so+0x4ab47)
4793:     #8 start_txns(void*) /home/rfp/projects/tokuft/src/tests/checkpoint_fairness.cc:73:16 (checkpoint_fairness.tdb+0x4b6f5b)
4793:
4793:   Previous write of size 4 at 0x7fd7194ac2b8 by threa T34 (mutexes: read M11, write M1048756):
4793:     #0 rollback_log_create(tokutxn*, blocknum_s, rollback_log_node**) /home/rfp/projects/tokuft/ft/txn/rollback.cc:175:22 (libtokufractaltree.so+0x18bc94)
4793:     #1 toku_get_and_pin_rollback_log_for_new_entry(tokutxn*, rollback_log_node**) /home/rfp/projects/tokuft/ft/txn/rollback.cc:327:13 (libtokufractaltree.so+0x18b4c9)
4793:     #2 toku_logger_save_rollback_cmdinsert(tokutxn*, FILENUM, BYTESTRING*) /home/rfp/projects/tokuft-tsan/ft/log_code.cc:2007:3 (libtokufractaltree.so+0x1c7912)
4793:     #3 ft_txn_log_insert(ft*, __toku_dbt*, __toku_dbt*, tokutxn*, bool, ft_msg_type) /home/rfp/projects/tokuft/ft/ft-ops.cc:2406:9 (libtokufractaltree.so+0xd2c2c)
4793:     #4 toku_ft_maybe_insert(ft_handle*, __toku_dbt*, __toku_dbt*, tokutxn*, bool, __toku_lsn, bool, ft_msg_type) /home/rfp/projects/tokuft/ft/ft-ops.cc:2423:5 (libtokufractaltree.so+0xd3135)
4793:     #5 db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, int, bool) /home/rfp/projects/tokuft/src/ydb_write.cc:221:13 (libtokufractaltree.so+0x45d33)
4793:     #6 toku_db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, unsigned int, bool) /home/rfp/projects/tokuft/src/ydb_write.cc:248:13 (libtokufractaltree.so+0x456e3)
4793:     #7 autotxn_db_put(__toku_db*, __toku_db_txn*, __toku_dbt*, __toku_dbt*, unsigned int) /home/rfp/projects/tokuft/src/ydb_write.cc:1078:9 (libtokufractaltree.so+0x4ab47)
4793:     #8 start_txns(void*) /home/rfp/projects/tokuft/src/tests/checkpoint_fairness.cc:73:16 (checkpoint_fairness.tdb+0x4b6f5b)
4793:
4793:   Location is global 'writing_rollback' of size 4 at 0x7fd7194ac2b8 (libtokufractaltree.so+0x0000002972b8)
    @prohaska7
    prohaska7 committed Apr 19, 2020
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