问题：通过源码安装pt-table-sync和pt-table-checksum时，perl Makefile.PL执行异常。
安装perl-DBD-MySQL过程报错：
# yum install -y perl-DBD-MySQL
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package perl-DBD-MySQL.x86_64 0:4.023-6.el7 will be installed
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: perl-DBD-MySQL-4.023-6.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: perl-DBD-MySQL-4.023-6.el7.x86_64
--> Running transaction check
---> Package mariadb-libs.x86_64 1:5.5.64-1.el7 will be installed
Removing mariadb-libs.x86_64 1:5.5.64-1.el7 - u due to obsoletes from installed mysql-community-libs-5.7.19-1.el7.x86_64
--> Restarting Dependency Resolution with new changes.
--> Running transaction check
---> Package mariadb-libs.x86_64 1:5.5.64-1.el7 will be installed
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: perl-DBD-MySQL-4.023-6.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: perl-DBD-MySQL-4.023-6.el7.x86_64
--> Running transaction check
---> Package mariadb-libs.x86_64 1:5.5.60-1.el7_5 will be installed
Removing mariadb-libs.x86_64 1:5.5.60-1.el7_5 - u due to obsoletes from installed mysql-community-libs-5.7.19-1.el7.x86_64
--> Restarting Dependency Resolution with new changes.
--> Running transaction check
---> Package mariadb-libs.x86_64 1:5.5.60-1.el7_5 will be installed
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: perl-DBD-MySQL-4.023-6.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: perl-DBD-MySQL-4.023-6.el7.x86_64
--> Running transaction check
---> Package mariadb-libs.x86_64 1:5.5.56-2.el7 will be installed
Removing mariadb-libs.x86_64 1:5.5.56-2.el7 - u due to obsoletes from installed mysql-community-libs-5.7.19-1.el7.x86_64
--> Restarting Dependency Resolution with new changes.
--> Running transaction check
---> Package mariadb-libs.x86_64 1:5.5.56-2.el7 will be installed
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: perl-DBD-MySQL-4.023-6.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: perl-DBD-MySQL-4.023-6.el7.x86_64
--> Finished Dependency Resolution
Error: Package: perl-DBD-MySQL-4.023-6.el7.x86_64 (base-el7)
Requires: libmysqlclient.so.18(libmysqlclient_18)(64bit)
Error: Package: perl-DBD-MySQL-4.023-6.el7.x86_64 (base-el7)
Requires: libmysqlclient.so.18()(64bit)
You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles --nodigest
解决方案：
1、从官网下载对应环境的rpm包 Software Downloads - Percona
2、按顺序安装rpm包
# rpm -ivh Percona-XtraDB-Cluster-shared-compat-57-5.7.28-31.41.2.el7.x86_64.rpm
warning: Percona-XtraDB-Cluster-shared-compat-57-5.7.28-31.41.2.el7.x86_64.rpm: Header V4 RSA/SHA256 Signature, key ID 8507efa5: NOKEY
Preparing... ################################# [100%]
Updating / installing...
1:Percona-XtraDB-Cluster-shared-com################################# [100%]
# rpm -ivh Percona-XtraDB-Cluster-shared-57-5.7.28-31.41.2.el7.x86_64.rpm
warning: Percona-XtraDB-Cluster-shared-57-5.7.28-31.41.2.el7.x86_64.rpm: Header V4 RSA/SHA256 Signature, key ID 8507efa5: NOKEY
Preparing... ################################# [100%]
3、安装perl-DBD-MySQL
# yum install -y perl-DBD-MySQL
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package perl-DBD-MySQL.x86_64 0:4.023-6.el7 will be installed
--> Finished Dependency Resolution
...
Warning: RPMDB altered outside of yum.
Installing : perl-DBD-MySQL-4.023-6.el7.x86_64 1/1
Verifying : perl-DBD-MySQL-4.023-6.el7.x86_64 1/1
Installed:
perl-DBD-MySQL.x86_64 0:4.023-6.el7
Complete!
解决。
