| Server IP : 172.67.216.182 / Your IP : 162.158.106.127 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /www/server/mysql/src/mysql-test/suite/binlog/r/ |
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# # Bug 92108: Deadlock by concurrent SHOW BINLOGS, # performance_schema.session_variables query, and binlog purge # RESET MASTER; FLUSH LOGS; connect con1,localhost,root,,; SET DEBUG_SYNC="purge_logs_after_lock_index_before_thread_count SIGNAL purge_ready WAIT_FOR finish_purge"; PURGE BINARY LOGS BEFORE '2038-01-19'; connect con2,localhost,root,,; SET DEBUG_SYNC="materialize_session_variable_array_THD_locked SIGNAL pfs_ready WAIT_FOR finish_pfs"; SELECT * FROM performance_schema.session_variables WHERE VARIABLE_NAME LIKE 'binlog_transaction_dependency_tracking';; connect con3,localhost,root,,; SET DEBUG_SYNC="show_binlogs_after_lock_log_before_lock_index SIGNAL show_ready WAIT_FOR finish_show"; SHOW BINARY LOGS; connection default; SET DEBUG_SYNC="now WAIT_FOR purge_ready"; SET DEBUG_SYNC="now WAIT_FOR pfs_ready"; SET DEBUG_SYNC="now WAIT_FOR show_ready"; SET DEBUG_SYNC="now SIGNAL finish_purge"; SET DEBUG_SYNC="now SIGNAL finish_pfs"; SET DEBUG_SYNC="now SIGNAL finish_show"; connection con1; Warnings: Warning 1868 file master-bin.000002 was not purged because it is the active log file. disconnect con1; connection con2; VARIABLE_NAME VARIABLE_VALUE binlog_transaction_dependency_tracking COMMIT_ORDER disconnect con2; connection con3; disconnect con3; connection default; SET DEBUG_SYNC= 'RESET';