innodb.innodb_defragment, innodb.innodb_defrag_concurrent, innodb.innodb_defrag_stats failed in buildbot, timeout, can't connect to local MySQL server

innodb.innodb_defragment 'innodb_plugin' w1 [ fail ]  timeout after 7200 seconds

        Test ended at 2017-12-05 18:52:06

Test case timeout after 7200 seconds

== /mnt/buildbot/build/mariadb-10.1.30/mysql-test/var/1/log/innodb_defragment.log == 

CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b VARCHAR(256), KEY SECOND(a, b)) ENGINE=INNODB;

optimize table t1;

Table	Op	Msg_type	Msg_text

test.t1	optimize	status	OK

INSERT INTO t1 VALUES (100000, REPEAT('A', 256));

INSERT INTO t1 VALUES (200000, REPEAT('A', 256));

INSERT INTO t1 VALUES (300000, REPEAT('A', 256));

INSERT INTO t1 VALUES (400000, REPEAT('A', 256));

optimize table t1;

Table	Op	Msg_type	Msg_text

test.t1	optimize	status	OK

create procedure defragment()

begin

set @i = 0;

repeat

set @i = @i + 1;

optimize table t1;

until @i = 3 end repeat;

end //

select count(stat_value) from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name  in ('n_pages_freed');

 == /mnt/buildbot/build/mariadb-10.1.30/mysql-test/var/1/tmp/analyze-timeout-mysqld.1.err ==

mysqltest: Could not open connection 'default' after 500 attempts: 2002 Can't connect to local MySQL server through socket '/mnt/buildbot/build/mariadb-10.1.30/mysql-test/var/tmp/1/mysqld.1.sock' (111 "Connection refused")

 - saving '/mnt/buildbot/build/mariadb-10.1.30/mysql-test/var/1/log/innodb.innodb_defragment-innodb_plugin/' to '/mnt/buildbot/build/mariadb-10.1.30/mysql-test/var/log/innodb.innodb_defragment-innodb_plugin/'

worker[1] > Restart  - not started

***Warnings generated in error logs during shutdown after running tests: innodb.innodb_defragment

InnoDB: Warning: semaphore wait:

InnoDB: Warning: semaphore wait:

innodb.innodb_defrag_concurrent 'innodb_plugin' w2 [ fail ]  timeout after 7200 seconds

        Test ended at 2017-12-05 18:52:39

Test case timeout after 7200 seconds

== /mnt/buildbot/build/mariadb-10.1.30/mysql-test/var/2/log/innodb_defrag_concurrent.log == 

SET @@global.innodb_defragment_n_pages = 20;

select count(*) from t1;

count(*)

20000

select count(*) from t1 force index (second);

count(*)

20000

select count(*) from t1 force index (third);

count(*)

20000

select count(*) from t1;

count(*)

15800

select count(*) from t1 force index (second);

count(*)

15800

select count(*) from t1 force index (third);

count(*)

15800

select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name  in ('n_pages_freed');

 == /mnt/buildbot/build/mariadb-10.1.30/mysql-test/var/2/tmp/analyze-timeout-mysqld.1.err ==

mysqltest: Could not open connection 'default' after 500 attempts: 2002 Can't connect to local MySQL server through socket '/mnt/buildbot/build/mariadb-10.1.30/mysql-test/var/tmp/2/mysqld.1.sock' (111 "Connection refused")

innodb.innodb_defrag_stats 'innodb_plugin' w1 [ fail ]  timeout after 7200 seconds

        Test ended at 2017-12-05 20:52:59

Test case timeout after 7200 seconds

== /mnt/buildbot/build/mariadb-10.1.30/mysql-test/var/1/log/innodb_defrag_stats.log == 

count(stat_value) > 0

1

select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_pages_freed');

count(stat_value) > 0

1

select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_leaf_pages_defrag');

count(stat_value) > 0

1

INSERT INTO t1 (b) SELECT b from t1;

select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_page_split');

count(stat_value) > 0

1

select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_pages_freed');

count(stat_value) > 0

1

select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name in ('n_leaf_pages_defrag');

count(stat_value) > 0

1

# Table rename should cause stats rename.

rename table t1 to t2;