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719321e78e
InnoDB shutdown failed to properly take fil_crypt_thread() into account. The encryption threads were signalled to shut down together with other non-critical tasks. This could be much too early in case of slow shutdown, which could need minutes to complete the purge. Furthermore, InnoDB failed to wait for the fil_crypt_thread() to actually exit before proceeding to the final steps of shutdown, causing the race conditions. Furthermore, the log_scrub_thread() was shut down way too early. Also it should remain until the SRV_SHUTDOWN_FLUSH_PHASE. fil_crypt_threads_end(): Remove. This would cause the threads to be terminated way too early. srv_buf_dump_thread_active, srv_dict_stats_thread_active, lock_sys->timeout_thread_active, log_scrub_thread_active, srv_monitor_active, srv_error_monitor_active: Remove a race condition between startup and shutdown, by setting these in the startup thread that creates threads, not in each created thread. In this way, once the flag is cleared, it will remain cleared during shutdown. srv_n_fil_crypt_threads_started, fil_crypt_threads_event: Declare in global rather than static scope. log_scrub_event, srv_log_scrub_thread_active, log_scrub_thread(): Declare in static rather than global scope. Let these be created by log_init() and freed by log_shutdown(). rotate_thread_t::should_shutdown(): Do not shut down before the SRV_SHUTDOWN_FLUSH_PHASE. srv_any_background_threads_are_active(): Remove. These checks now exist in logs_empty_and_mark_files_at_shutdown(). logs_empty_and_mark_files_at_shutdown(): Shut down the threads in the proper order. Keep fil_crypt_thread() and log_scrub_thread() alive until SRV_SHUTDOWN_FLUSH_PHASE, and check that they actually terminate. |
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| archive | ||
| blackhole | ||
| cassandra | ||
| connect | ||
| csv | ||
| example | ||
| federated | ||
| federatedx | ||
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| innobase | ||
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