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万里数据库/GreatSQL-Manual

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GreatSQL 提交于 24天前 . 更新所有安装指南，都增加systemd服务管理方案

Ubuntu系统中安装GreatSQL

本节介绍如何用二进制包方式安装GreatSQL数据库，假定本次安装是在Ubuntu 22.04.3 x86_64环境中安装，并且是以root用户身份执行安装操作。

环境介绍

$ lsb_release -a

...
LSB Version:    core-11.1.0ubuntu4-noarch:security-11.1.0ubuntu4-noarch
Distributor ID: Ubuntu
Description:    Ubuntu 22.04.3 LTS
Release:        22.04
Codename:       jammy
----

$ getconf GNU_LIBC_VERSION

...
glibc 2.35

在开始安装前，请根据文档 安装准备 已经完成准备工作。

下载安装包

查看机器的glibc版本，以选择正确的安装包：

$ getconf GNU_LIBC_VERSION

...
glibc 2.35

如果您的glibc版本为2.28或更高版本，请选择带有"glibc2.28"标识的安装包；如果您的glibc版本为2.17，请选择带有"glibc2.17"标识的安装包。

点击此处下载最新的安装包，下载以下二进制包就可以：

  • GreatSQL-8.0.32-27-Linux-glibc2.28-x86_64.tar.xz

将下载的二进制包放到安装目录下，并解压缩：

cd /usr/local
curl -o GreatSQL-8.0.32-27-Linux-glibc2.28-x86_64.tar.xz https://product.greatdb.com/GreatSQL-8.0.32-27/GreatSQL-8.0.32-27-Linux-glibc2.28-x86_64.tar.xz
tar xf GreatSQL-8.0.32-27-Linux-glibc2.28-x86_64.tar.xz

安装GreatSQL需要先安装其他依赖包，可执行下面命令完成：

sudo apt-get install -y libaio-dev libnuma-dev libnuma1 net-tools openssl libssl-dev libjemalloc2 libjemalloc-dev libdigest-md5-perl

::: tip 小贴士 包名称在centos和Ubuntu上是不同的,若要安装其它依赖包请使用apt search <包名>查找。 :::

  • pkg-config: 在 Ubuntu 中，pkg-config 工具已经预安装，无需额外安装。
  • perl: Perl 已经预安装在 Ubuntu 中，无需额外安装。
  • libaio-devel: 在 Ubuntu 中，对应的是 libaio-dev。
  • numactl-devel: 在 Ubuntu 中，对应的是 libnuma-dev。
  • numactl-libs: 在 Ubuntu 中，对应的是 libnuma1。
  • net-tools: 在 Ubuntu 中，对应的是 net-tools。
  • openssl: 在 Ubuntu 中，对应的是 openssl。
  • openssl-devel: 在 Ubuntu 中，对应的是 libssl-dev。
  • jemalloc: 在 Ubuntu 中，对应的是 libjemalloc2。
  • jemalloc-devel: 在 Ubuntu 中，对应的是 libjemalloc-dev。
  • perl-Data-Dumper: 在 Ubuntu 中，对应的是 perl 包自带的，无需额外安装。
  • perl-Digest-MD5: 在 Ubuntu 中，对应的是 libdigest-md5-perl。

进入到GreatSQL-8.0.32-27-Linux-glibc2.28-x86_64/bin目录，输入命令ldd mysqld mysql | grep "not found"若不显示其它信息则已经不缺必要软件包

启动前准备

创建或修改 /etc/my.cnf 配置文件

如果 /etc/my.cnf 配置文件不存在就新建一个，文件内容请参考这份 my.cnf 模板，可根据实际情况修改，一般主要涉及数据库文件分区、目录，内存配置等少数几个选项。以下面这份为例：

[client]
socket    = /data/GreatSQL/mysql.sock
[mysql]
loose-skip-binary-as-hex
prompt = "(\\D)[\\u@GreatSQL][\\d]>"
no-auto-rehash
[mysqld]
user    = mysql
port    = 3306
server_id = 3306
basedir = /usr/local/GreatSQL-8.0.32-27-Linux-glibc2.28-x86_64
datadir = /data/GreatSQL
socket  = /data/GreatSQL/mysql.sock
pid-file = mysql.pid
character-set-server = UTF8MB4
skip_name_resolve = ON
default_time_zone = "+8:00"
bind_address = "0.0.0.0"
secure_file_priv = /data/GreatSQL

# Performance
lock_wait_timeout = 3600
open_files_limit    = 65535
back_log = 1024
max_connections = 512
max_connect_errors = 1000000
table_open_cache = 4096
table_definition_cache = 2048
thread_stack = 512K
sort_buffer_size = 4M
join_buffer_size = 4M
read_buffer_size = 8M
read_rnd_buffer_size = 4M
bulk_insert_buffer_size = 64M
thread_cache_size = 768
interactive_timeout = 600
wait_timeout = 600
tmp_table_size = 32M
max_heap_table_size = 32M
max_allowed_packet = 64M
net_buffer_shrink_interval = 180
sql_generate_invisible_primary_key = ON
loose-lock_ddl_polling_mode = ON
loose-lock_ddl_polling_runtime = 200

# Logs
log_timestamps = SYSTEM
log_error = error.log
log_error_verbosity = 3
slow_query_log = ON
log_slow_extra = ON
slow_query_log_file = slow.log
long_query_time = 0.01
log_queries_not_using_indexes = ON
log_throttle_queries_not_using_indexes = 60
min_examined_row_limit = 100
log_slow_admin_statements = ON
log_slow_replica_statements = ON
log_slow_verbosity = FULL
log_bin = binlog
binlog_format = ROW
sync_binlog = 1
binlog_cache_size = 4M
max_binlog_cache_size = 2G
max_binlog_size = 1G
binlog_space_limit = 500G
binlog_rows_query_log_events = ON
binlog_expire_logs_seconds = 604800
binlog_checksum = CRC32
binlog_order_commits = OFF
gtid_mode = ON
enforce_gtid_consistency = ON

# Replication
relay-log = relaylog
relay_log_recovery = ON
replica_parallel_type = LOGICAL_CLOCK
replica_parallel_workers = 16
binlog_transaction_dependency_tracking = WRITESET
replica_preserve_commit_order = ON
replica_checkpoint_period = 2
loose-rpl_read_binlog_speed_limit = 100

# MGR
loose-plugin_load_add = 'mysql_clone.so'
loose-plugin_load_add = 'group_replication.so'
loose-group_replication_group_name = "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaa1"
loose-group_replication_local_address = "172.16.16.10:33061"
loose-group_replication_group_seeds = "172.16.16.10:33061,172.16.16.11:33061,172.16.16.12:33061"
loose-group_replication_communication_stack = "XCOM"
loose-group_replication_recovery_use_ssl = OFF
loose-group_replication_ssl_mode = DISABLED
loose-group_replication_start_on_boot = OFF
loose-group_replication_bootstrap_group = OFF
loose-group_replication_exit_state_action = READ_ONLY
loose-group_replication_flow_control_mode = "DISABLED"
loose-group_replication_single_primary_mode = ON
loose-group_replication_enforce_update_everywhere_checks = OFF
loose-group_replication_majority_after_mode = ON
loose-group_replication_communication_max_message_size = 10M
loose-group_replication_arbitrator = OFF
loose-group_replication_single_primary_fast_mode = 1
loose-group_replication_request_time_threshold = 100
loose-group_replication_primary_election_mode = GTID_FIRST
loose-group_replication_unreachable_majority_timeout = 0
loose-group_replication_member_expel_timeout = 5
loose-group_replication_autorejoin_tries = 288
loose-group_replication_recovery_get_public_key = ON
loose-group_replication_donor_threshold = 100
report_host = "172.16.16.10"

# InnoDB
innodb_buffer_pool_size = 2G
innodb_buffer_pool_instances = 8
innodb_data_file_path = ibdata1:12M:autoextend
innodb_flush_log_at_trx_commit = 1
innodb_log_buffer_size = 64M
innodb_redo_log_capacity = 6G
innodb_doublewrite_files = 2
innodb_doublewrite_pages = 128
innodb_max_undo_log_size = 4G
innodb_io_capacity = 10000
innodb_io_capacity_max = 20000
innodb_open_files = 65535
innodb_flush_method = O_DIRECT
innodb_use_fdatasync = ON
innodb_lru_scan_depth = 4000
innodb_lock_wait_timeout = 10
innodb_rollback_on_timeout = ON
innodb_print_all_deadlocks = ON
innodb_online_alter_log_max_size = 4G
innodb_print_ddl_logs = ON
innodb_status_file = ON
innodb_status_output = OFF
innodb_status_output_locks = ON
innodb_sort_buffer_size = 64M
innodb_adaptive_hash_index = OFF
innodb_numa_interleave = OFF
innodb_spin_wait_delay = 20
innodb_print_lock_wait_timeout_info = ON
innodb_change_buffering = none
kill_idle_transaction = 300
innodb_data_file_async_purge = ON

#innodb monitor settings
#innodb_monitor_enable = "module_innodb,module_server,module_dml,module_ddl,module_trx,module_os,module_purge,module_log,module_lock,module_buffer,module_index,module_ibuf_system,module_buffer_page,module_adaptive_hash"

#pfs settings
performance_schema = 1
#performance_schema_instrument = '%memory%=on'
performance_schema_instrument = '%lock%=on'

新建mysql用户

/sbin/groupadd mysql
/sbin/useradd -g mysql mysql -d /dev/null -s /sbin/nologin

新建 datadir

新建数据库主目录，并修改权限模式及属主：

mkdir -p /data/GreatSQL
chown -R mysql:mysql /data/GreatSQL
chmod -R 700 /data/GreatSQL

增加GreatSQL系统服务

推荐采用systemd来管理GreatSQL服务，执行 vim /etc/systemd/system/greatsql.service 命令，添加下面的内容：

[Unit]
Description=GreatSQL Server
Documentation=man:mysqld(8)
Documentation=http://dev.mysql.com/doc/refman/en/using-systemd.html
After=network.target
After=syslog.target
[Install]
WantedBy=multi-user.target
[Service]

# some limits
# file size
LimitFSIZE=infinity
# cpu time
LimitCPU=infinity
# virtual memory size
LimitAS=infinity
# open files
LimitNOFILE=65535
# processes/threads
LimitNPROC=65535
# locked memory
LimitMEMLOCK=infinity
# total threads (user+kernel)
TasksMax=infinity
TasksAccounting=false

User=mysql
Group=mysql
#如果是GreatSQL 5.7版本，此处需要改成simple模式，否则可能服务启用异常
#如果是GreatSQL 8.0版本则可以使用notify
#如果启动时my.cnf中增加daemonize=1参数（以daemon方式启动GreatSQL），则可以采用forking模式
#Type=simple
Type=notify
TimeoutSec=10
PermissionsStartOnly=true
ExecStartPre=/usr/local/GreatSQL-8.0.32-27-Linux-glibc2.28-x86_64/bin/mysqld_pre_systemd
ExecStart=/usr/local/GreatSQL-8.0.32-27-Linux-glibc2.28-x86_64/bin/mysqld $MYSQLD_OPTS
EnvironmentFile=-/etc/sysconfig/mysql
Restart=on-failure
RestartPreventExitStatus=1
Environment=MYSQLD_PARENT_PID=1
PrivateTmp=false

务必确认文件中 ExecStartPre 和 ExecStart 两个参数指定的目录及文件名是否正确。

提示：如果不是安装到默认的 /usr/local/ 目录下，请编辑 bin/mysqld_pre_systemd 脚本，修改脚本中几处涉及 GreatSQL 安装路径的地方。

执行命令重载systemd，加入 greatsql 服务，如果没问题就不会报错：

systemctl daemon-reload

这就安装成功并将GreatSQL添加到系统服务中，后面可以用 systemctl 来管理GreatSQL服务。

启动GreatSQL

执行下面的命令启动GreatSQL服务

systemctl start greatsql

如果是在一个全新环境中首次启动GreatSQL数据库，可能会失败，因为在 mysqld_pre_systemd 的初始化处理逻辑中，需要依赖 /var/lib/mysql-files 目录保存一个临时文件。如果首次启动失败，可能会有类似下面的报错提示：

::: details 查看运行结果

$ systemctl status greatsql

...
● greatsql.service - GreatSQL Server
   Loaded: loaded (/etc/systemd/system/greatsql.service; disabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since ...
     Docs: man:mysqld(8)
           http://dev.mysql.com/doc/refman/en/using-systemd.html
  Process: 1258165 ExecStart=/usr/local/GreatSQL-8.0.32-27-Linux-glibc2.28-x86_64/bin/mysqld $MYSQLD_OPTS (code=exited, status=1/FAILURE)
  Process: 1257969 ExecStartPre=/usr/local/GreatSQL-8.0.32-27-Linux-glibc2.28-x86_64/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)
 Main PID: 1258165 (code=exited, status=1/FAILURE)
   Status: "Server shutdown complete"

systemd[1]: Starting GreatSQL Server...
mysqld_pre_systemd[1257969]: mktemp: failed to create file via template ‘/var/lib/mysql-files/install-validate-password-plugin.XXXXXX.sql’: No such file or directory
mysqld_pre_systemd[1257969]: chmod: cannot access '': No such file or directory
mysqld_pre_systemd[1257969]: /usr/local/GreatSQL-8.0.32-27-Linux-glibc2.28-x86_64/bin/mysqld_pre_systemd: line 43: : No such file or directory
mysqld_pre_systemd[1257969]: /usr/local/GreatSQL-8.0.32-27-Linux-glibc2.28-x86_64/bin/mysqld_pre_systemd: line 44: $initfile: ambiguous redirect
systemd[1]: greatsql.service: Main process exited, code=exited, status=1/FAILURE
systemd[1]: greatsql.service: Failed with result 'exit-code'.
systemd[1]: Failed to start GreatSQL Server.

:::

只需手动创建 /var/lib/mysql-files 目录，再次启动GreatSQL服务即可：

mkdir -p /var/lib/mysql-files && chown -R mysql:mysql /var/lib/mysql-files
systemctl start greatsql

检查服务是否已启动，以及进程状态：

$ systemctl status greatsql

...
● greatsql.service - GreatSQL Server
   Loaded: loaded (/etc/systemd/system/greatsql.service; disabled; vendor preset: disabled)
   Active: active (running) since Tue 2024-07-12 10:08:06 CST; 6min ago
     Docs: man:mysqld(8)
           http://dev.mysql.com/doc/refman/en/using-systemd.html
  Process: 60129 ExecStartPre=/usr/local/GreatSQL-8.0.32-27-Linux-glibc2.28-x86_64/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)
 Main PID: 60231 (mysqld)
   Status: "Server is operational"
    Tasks: 49 (limit: 149064)
   Memory: 5.6G
   CGroup: /system.slice/greatsql.service
           └─60231 /usr/local/GreatSQL-8.0.32-27-Linux-glibc2.28-x86_64/bin/mysqld

systemd[1]: Starting GreatSQL Server...
systemd[1]: Started GreatSQL Server.

$ ps -ef | grep mysqld

...
mysql      60231       1  2 10:08 ?        00:00:10 /usr/local/GreatSQL-8.0.32-27-Linux-glibc2.28-x86_64/bin/mysqld

$ ss -lntp | grep mysqld

...
LISTEN 0      70                 *:33060            *:*    users:(("mysqld",pid=60231,fd=38))
LISTEN 0      128                *:3306             *:*    users:(("mysqld",pid=60231,fd=43))

# 查看数据库文件
$ ls /data/GreatSQL

...
 auto.cnf        ca-key.pem        error.log           '#ib_archive'    '#innodb_redo'       mysql.ibd         performance_schema   server-key.pem   undo_002
 binlog.000001   ca.pem           '#file_purge'         ib_buffer_pool   innodb_status.258   mysql.pid         private_key.pem      slow.log
 binlog.000002   client-cert.pem  '#ib_16384_0.dblwr'   ibdata1         '#innodb_temp'       mysql.sock        public_key.pem       sys
 binlog.index    client-key.pem   '#ib_16384_1.dblwr'   ibtmp1           mysql               mysql.sock.lock   server-cert.pem      undo_001

可以看到，GreatSQL服务已经正常启动了。

连接登入GreatSQL

在上面进行GreatSQL初始化时，会为 root@localhost 用户生成一个随机密码，记录在 error.log 日志文件中，例如下面这样：

$ grep -i root /data/GreatSQL/error.log

...
A temporary password is generated for root@localhost: ji!pjndiw5sJ

复制该密码，将用于首次登入GreatSQL所需。

部分GreatSQL二进制包方式安装后，有可能初始化的root密码是空的，这种情况下可以直接登入并修改成安全密码。

$ mysql -uroot  -p"ji!pjndiw5sJ"   #<--这里输入刚才复制的临时密码
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 11
Server version: 8.0.32-27 GreatSQL, Release 27, Revision aa66a385910
...
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
...
greatsql> status;
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.

首次登入立刻提醒该密码已过期，需要修改，执行 SQL 命令 ALTER USER USER() IDENTIFIED BY 修改即可：

greatsql> ALTER USER USER() IDENTIFIED BY 'GreatSQL@2022';  #<--修改密码
Query OK, 0 rows affected (0.02 sec)

greatsql> status;
...
Server version:         8.0.32-27 GreatSQL, Release 27, Revision aa66a385910
...

GreatSQL数据库安装并初始化完毕。

安装MySQL Shell

接下来安装MySQL Shell，可以使用mysql-shell-8.0.32，但是要注意MGR中并不支持仲裁节点

解压mysql-shell-8.0.32-linux-glibc2.12-x86-64bit.tar.gz

tar zxf mysql-shell-8.0.32-linux-glibc2.12-x86-64bit.tar.gz

直接运行即可

$ mysql-shell-8.0.32-linux-glibc2.12-x86-64bit/bin/mysqlsh

MySQL Shell 8.0.32

Copyright (c) 2016, 2023, Oracle and/or its affiliates.
Oracle is a registered trademark of Oracle Corporation and/or its affiliates.
Other names may be trademarks of their respective owners.

Type '\help' or '\?' for help; '\quit' to exit.
 MySQL  JS >

MySQL Shell就可以正常使用，并继续构建MGR集群了。

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