[#MDEV-29369] rpl.rpl_semi_sync_shutdown_await_ack fails regularly with Result content mismatch

This test fails at least every few days, with the following (or very similar) output:

10.5 55c648a73
rpl.rpl_semi_sync_shutdown_await_ack 'mix' w2 [ fail ]
Test ended at 2022-08-23 06:27:25

CURRENT_TEST: rpl.rpl_semi_sync_shutdown_await_ack
--- /buildbot/amd64-ubuntu-1804-clang10-asan/build/mysql-test/suite/rpl/r/rpl_semi_sync_shutdown_await_ack.result 2022-08-23 05:25:37.000000000 +0000
+++ /buildbot/amd64-ubuntu-1804-clang10-asan/build/mysql-test/suite/rpl/r/rpl_semi_sync_shutdown_await_ack.reject 2022-08-23 06:27:14.537615682 +0000
@@ -213,7 +213,7 @@
Rpl_semi_sync_master_no_tx 1
connection server_1_con2;
# Check logs to ensure shutdown was delayed
-FOUND 2 /Delaying shutdown to await semi-sync ACK/ in mysqld.1.err
+FOUND 1 /Delaying shutdown to await semi-sync ACK/ in mysqld.1.err
# Validate slave data is in correct state
connection server_2;
select count(*)=0 from t1;
@@ -331,7 +331,7 @@
Rpl_semi_sync_master_no_tx 0
connection server_1_con2;
# Check logs to ensure shutdown was delayed
-FOUND 3 /Delaying shutdown to await semi-sync ACK/ in mysqld.1.err
+FOUND 2 /Delaying shutdown to await semi-sync ACK/ in mysqld.1.err
# Validate slave data is in correct state
connection server_2;
select count(*)=0 from t1;
@@ -455,7 +455,7 @@
Rpl_semi_sync_master_no_tx 0
connection server_1_con2;
# Check logs to ensure shutdown was delayed
-FOUND 4 /Delaying shutdown to await semi-sync ACK/ in mysqld.1.err
+FOUND 3 /Delaying shutdown to await semi-sync ACK/ in mysqld.1.err
# Validate slave data is in correct state
connection server_2;
select count(*)=0 from t1;

mysqltest: Result content mismatch

10.10 90c3b2835
rpl.rpl_semi_sync_shutdown_await_ack 'row' w3 [ fail ]
Test ended at 2022-06-10 17:42:00

CURRENT_TEST: rpl.rpl_semi_sync_shutdown_await_ack
--- /buildbot/amd64-ubuntu-1804-valgrind/build/mysql-test/suite/rpl/r/rpl_semi_sync_shutdown_await_ack.result 2022-06-08 12:15:43.000000000 +0000
+++ /buildbot/amd64-ubuntu-1804-valgrind/build/mysql-test/suite/rpl/r/rpl_semi_sync_shutdown_await_ack.reject 2022-06-10 17:41:59.807669171 +0000
@@ -449,10 +449,10 @@
#-- Ensure either ACK was received (yes_tx=1) or timeout (no_tx=1)
show status like 'Rpl_semi_sync_master_yes_tx';
Variable_name Value
-Rpl_semi_sync_master_yes_tx 1
+Rpl_semi_sync_master_yes_tx 0
show status like 'Rpl_semi_sync_master_no_tx';
Variable_name Value
-Rpl_semi_sync_master_no_tx 0
+Rpl_semi_sync_master_no_tx 1
connection server_1_con2;
# Check logs to ensure shutdown was delayed
FOUND 4 /Delaying shutdown to await semi-sync ACK/ in mysqld.1.err

mysqltest: Result content mismatch

The test tends to be retry-pass. Fails happen mostly on amd64-ubuntu-1804-valgrind and amd64-ubuntu-1804-clang10-asan, but sometimes on amd64-ubuntu-2004-msan and once on kvm-asan. So, the fails are probably due to slowness of the builders.

[MDEV-29369] rpl.rpl_semi_sync_shutdown_await_ack fails regularly with Result content mismatch Created: 2022-08-24 Updated: 2024-01-25
Status:	In Review
Project:	MariaDB Server
Component/s:	Replication, Tests
Affects Version/s:	10.4, 10.5, 10.6, 10.7, 10.8, 10.9, 10.10
Fix Version/s:	10.4, 10.5, 10.6

[MDEV-29369] rpl.rpl_semi_sync_shutdown_await_ack fails regularly with Result content mismatch Created: 2022-08-24 Updated: 2024-01-25