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### オプションなしで起動(デフォルトの lower_case_table_names = 0) | |
$ sudo docker run -d -P -e MYSQL_ALLOW_EMPTY_PASSWORD=1 -e MYSQL_ROOT_PASSWORD="""" -e MYSQL_ROOT_HOST=""%"" mysql/mysql-server:5.6 | |
$ mysql -h172.17.0.3 | |
mysql> create database d1; | |
Query OK, 1 row affected (0.01 sec) | |
mysql> use d1 | |
Database changed |
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[yoku0825@150-95-141-50 work]$ time cmake3 -DWITH_BOOST=../mysql-8.0.21/boost ../mysql-8.0.21 | |
-- Running cmake version 3.17.3 | |
-- Found Git: /usr/bin/git (found version "1.8.3.1") | |
-- This is el6, el7 or el8 as found from 'uname -r' or 'rpm -qf /' | |
-- We probably need some devtoolset compiler | |
-- Using /opt/rh/devtoolset-9/root/usr/bin/gcc | |
-- Using /opt/rh/devtoolset-9/root/usr/bin/g++ | |
-- MySQL 8.0.21 | |
-- The C compiler identification is GNU 9.3.1 | |
-- The CXX compiler identification is GNU 9.3.1 |
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$ docker run --entrypoint="/usr/sbin/mysqld" mysql/mysql-server:8.0 --plugin-load=group_replication.so --help --verbose | grep group | |
The following groups are read: mysqld server mysqld-8.0 | |
--defaults-group-suffix=# | |
Also read groups with concat(group, suffix) | |
--binlog-group-commit-sync-delay=# | |
binary log group commit sync queue to fill before | |
--binlog-group-commit-sync-no-delay-count=# | |
--binlog-group-commit-sync-delay), the commit procedure | |
The maximum time that the binary log group commit will | |
bytes. Rows will be grouped into events smaller than this |
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mysqld 6330 mysql 27u REG 0,38 1048584 2240585 /tmp/mysql_temptable.e5TG4F (deleted) | |
mysqld 6330 mysql 28u REG 0,38 2097160 2240604 /tmp/mysql_temptable.fz9ETI (deleted) | |
mysqld 6330 mysql 29u REG 0,38 2097160 2240605 /tmp/mysql_temptable.MRogLL (deleted) | |
mysqld 6330 mysql 30u REG 0,38 4194312 2240606 /tmp/mysql_temptable.DkB4GO (deleted) | |
mysqld 6330 mysql 31u REG 0,38 4194312 2240607 /tmp/mysql_temptable.OlwnMR (deleted) | |
mysqld 6330 mysql 32u REG 0,38 8388616 2240608 /tmp/mysql_temptable.F7hg4U (deleted) | |
mysqld 6330 mysql 33u REG 0,38 8388616 2240609 /tmp/mysql_temptable.a9KQUZ (deleted) | |
mysqld 6330 mysql 34u REG 0,38 16777224 2240610 /tmp/mysql_temptable.25rpe5 (deleted) | |
mysqld 6330 mysql 35u REG 0,38 16777224 2240602 /tmp/mysql_temptable.3djHti (deleted) | |
mysqld 6330 mysql 36u REG 0,38 33554440 2240603 /tmp/mysql_temptable.PKmzMw (deleted) |
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*************************** 1. row *************************** | |
EXPLAIN: -> Table scan on <temporary> (actual time=0.001..0.016 rows=62 loops=1) | |
-> Temporary table with deduplication (actual time=99911.386..99911.423 rows=62 loops=1) | |
-> Filter: (is_metrics_list_analyze_90.`name` in ('lock_deadlocks','lock_row_lock_time_avg')) (actual time=99790.494..99908.201 rows=1178 loops=1) | |
-> Table scan on is_metrics_list_analyze_90 (actual time=0.002..40.599 rows=174298 loops=1) | |
-> Materialize (actual time=99788.102..99874.969 rows=174298 loops=1) | |
-> Window aggregate with buffering: first_value(daily_is_metrics_list.avg_count) OVER w_all, last_value(daily_is_metrics_list.avg_count) OVER w_all (actual time=98284.457..99478.783 rows=174298 loops=1) | |
-> Table scan on <temporary> (actual time=0.002..51.313 rows=174298 loops=1) | |
-> Temporary table (actual time=98283.337..98386.183 rows=174298 loops=1) | |
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(gdb) bt full | |
+bt full | |
#0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 | |
No locals. | |
#1 0x00000000007b7705 in native_cond_wait (mutex=0x1de8450 <Connection_handler_manager::LOCK_connection_count>, | |
cond=0x1de8410 <Connection_handler_manager::COND_connection_count>) at /home/yoku0825/mysql-5.7.30/include/thr_cond.h:147 | |
No locals. | |
#2 my_cond_wait (mp=0x1de8450 <Connection_handler_manager::LOCK_connection_count>, | |
cond=0x1de8410 <Connection_handler_manager::COND_connection_count>) at /home/yoku0825/mysql-5.7.30/include/thr_cond.h:202 | |
No locals. |
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(gdb) bt | |
+bt | |
#0 mysql_execute_command(THD*, bool) () at /home/yoku0825/mysql-8.0.20/sql/sql_parse.cc:2634 | |
#1 0x0000000000eb8378 in mysql_parse (thd=thd@entry=0x7f8f400101d0, parser_state=parser_state@entry=0x7f8f97f6e4d0) | |
at /home/yoku0825/mysql-8.0.20/sql/sql_parse.cc:5306 | |
#2 0x0000000000eba4d5 in dispatch_command(THD*, COM_DATA const*, enum_server_command) () | |
at /home/yoku0825/mysql-8.0.20/sql/sql_parse.cc:1776 | |
#3 0x0000000000ebb314 in do_command (thd=thd@entry=0x7f8f400101d0) at /home/yoku0825/mysql-8.0.20/sql/sql_parse.cc:1274 | |
#4 0x0000000000fccc70 in handle_connection (arg=arg@entry=0x751fc50) | |
at /home/yoku0825/mysql-8.0.20/sql/conn_handler/connection_handler_per_thread.cc:302 |
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$ gdb -p 20825 | |
(gdb) up | |
+up | |
#1 0x0000000000d4c9ad in Mysqld_socket_listener::listen_for_connection_event (this=0x34bcac0) | |
at /home/yoku0825/mysql-5.7.30/sql/conn_handler/socket_connection.cc:859 | |
859 int retval= poll(&m_poll_info.m_fds[0], m_socket_map.size(), -1); | |
(gdb) p connection_count | |
+p connection_count | |
No symbol "connection_count" in current context. | |
(gdb) up |
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--- /usr/bin/pt-query-digest 2020-04-24 02:41:46.000000000 +0900 | |
+++ ./pt-query-digest.ex 2020-05-13 14:43:23.213959417 +0900 | |
@@ -4513,2 +4513,3 @@ | |
No_index_used => ($event->{No_index_used} ? 'Yes' : 'No'), | |
+ Result_size => $packet->{data_len} || 0, | |
}; | |
@@ -7692,2 +7693,3 @@ | |
bytes | |
+ Result_size | |
); |
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mysql80 110> EXPLAIN SELECT COUNT(*); | |
+----+-------------+-------+------------+------+---------------+------+---------+------+------+----------+----------------+ | |
| id | select_type | table | partitions | type | possible_keys | key | key_len | ref | rows | filtered | Extra | | |
+----+-------------+-------+------------+------+---------------+------+---------+------+------+----------+----------------+ | |
| 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | | |
+----+-------------+-------+------------+------+---------------+------+---------+------+------+----------+----------------+ | |
1 row in set, 1 warning (0.00 sec) | |
mysql80 110> SHOW WARNINGS; | |
+-------+------+----------------------------------------------+ |