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View File Name :
binlog_group_commit_sync_delay_error.test
# ==== Purpose ==== # # This test will set a value for binlog_group_commit_sync_delay # which will be a non multiple of delta(the waiting time is # broken into smaller chunks called as delta), and execute some # transactions after that. # # The test verifies that server does not hang when a non multiple of 10 # is assigned to binlog_group_commit_sync_delay variable. # # Related bugs and Worklogs # # Bug#28091735:COMMIT WILL HANG IF BINLOG_GROUP_COMMIT_SYNC_DELAY # IS NOT A MULTIPLE OF 10 # this is binlog format agnostic --source include/have_binlog_format_row.inc --let $bgcd_saved = `SELECT @@GLOBAL.binlog_group_commit_sync_delay` --let $bgcc_saved = `SELECT @@GLOBAL.binlog_group_commit_sync_no_delay_count` CREATE TABLE t(s INT); # Set the delay to a non multiple of delta, in this case # delta will be 3, MAX(1, wait_time * .1) and so it will not be # a multiple of the waiting time which is 32 SET GLOBAL binlog_group_commit_sync_delay = 32; SET GLOBAL binlog_group_commit_sync_no_delay_count = 0; BEGIN; INSERT INTO t VALUES(10); COMMIT; # Hangs here without the fix #cleanup --eval SET GLOBAL binlog_group_commit_sync_delay = $bgcd_saved --eval SET GLOBAL binlog_group_commit_sync_no_delay_count = $bgcc_saved DROP TABLE t;