1. Installation percona-toolkit.rpm given when:
warning: percona-toolkit.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
error: Failed dependencies:
perl(Time::HiRes) is needed by percona-toolkit-2.2.16-1.noarch
perl(Term::ReadKey) is needed by percona-toolkit-2.2.16-1.noarch
2 Analysis:
Perl-TermReadKey missing dependencies and perl-Time-HiRes
3. The solution: install dependencies
①yum -y install perl-TermReadKey
② yum -y install perl-Time-HiRes
4. Replace #rpm -ivh percona-toolkit.rpm
