Can't locate Data/Dumper.pm in @INC (@INC contains:

执行 pt-query-digest slow.log > digest.log 命令时报错：

[root@CentOS-CLI-MySql data]# pt-query-digest slow.log > digest.log

Can't locate Data/Dumper.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at /usr/local/toolkit/bin/pt-query-digest line 75.

BEGIN failed--compilation aborted at /usr/local/toolkit/bin/pt-query-digest line 75.

原因是：缺少 Data-Dumper-2.154.tar.gz这个包，直接下载安装就ok了

wget http://www.cpan.org/modules/by-module/Data/Data-Dumper-2.154.tar.gz

tar xvzf Data-Dumper-2.154.tar.gz

cd Data-Dumper-2.121

perl Makefile.PL

make

make install