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MDEV-21336 Memory leaks related to innodb_debug_sync

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This essentially reverts commit b393e2cb0c.

The leak might have been fixed, but because the
DEBUG_SYNC instrumentation for InnoDB purge threads was reverted
in 10.5 commit 5e62b6a5e0
as part of introducing a thread pool, it is easiest to revert
the entire change.
This commit is contained in:
Marko Mäkelä 2020-05-14 12:06:25 +03:00
commit fc58c17216
9 changed files with 0 additions and 202 deletions
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13
storage/innobase/srv/srv0srv.cc
View file

@ -2600,13 +2600,6 @@ DECLARE_THREAD(srv_worker_thread)(
slot = srv_reserve_slot(SRV_WORKER);
#ifdef UNIV_DEBUG
UT_LIST_INIT(slot->debug_sync,
&srv_slot_t::debug_sync_t::debug_sync_list);
rw_lock_create(PFS_NOT_INSTRUMENTED, &slot->debug_sync_lock,
SYNC_NO_ORDER_CHECK);
#endif
ut_a(srv_n_purge_threads > 1);
ut_a(ulong(my_atomic_loadlint(&srv_sys.n_threads_active[SRV_WORKER]))
< srv_n_purge_threads);
@ -2854,12 +2847,6 @@ DECLARE_THREAD(srv_purge_coordinator_thread)(
slot = srv_reserve_slot(SRV_PURGE);
#ifdef UNIV_DEBUG
UT_LIST_INIT(slot->debug_sync,
&srv_slot_t::debug_sync_t::debug_sync_list);
rw_lock_create(PFS_NOT_INSTRUMENTED, &slot->debug_sync_lock,
SYNC_NO_ORDER_CHECK);
#endif
ulint rseg_history_len = trx_sys->rseg_history_len;
do {