这篇文章主要介绍“MySQL执行执行pt-query-digest报错的原因”，在日常操作中，相信很多人在mysql执行执行pt-query-digest报错的原因问题上存在疑惑，小编查阅了各式资料，整理出简单好用的操作方法，希望对大家解答”mysql执行执行pt-query-digest报错的原因”的疑惑有所帮助！接下来，请跟着小编一起来学习吧！
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文章目录
操作环境
[root@three57 mysql57_dir]# more /etc/redhat-release
Red Hat Enterprise Linux Server release 6.8 (Santiago)
[root@three57 mysql57_dir]# pt-query-digest --version
pt-query-digest 3.1.0
问题
[root@three57 percona-toolkit-3.1.0]# pt-query-digest --interval=2 --processlist -uroot -psystem
Reading from STDIN ...
install_driver(mysql) failed: Attempt to reload DBD/mysql.pm aborted.
Compilation failed in require at (eval 23) line 3.
分析问题
[root@three57 percona-toolkit-3.1.0]# locate mysql.so
/usr/lib64/perl5/auto/DBD/mysql/mysql.so
[root@three57 percona-toolkit-3.1.0]# ldd /usr/lib64/perl5/auto/DBD/mysql/mysql.so
linux-vdso.so.1 => (0x00007ffcf6dd4000)
libmysqlclient.so.16 => not found 确实没找到mysql动态链接库
libz.so.1 => /lib64/libz.so.1 (0x00007f9b0e1cb000)
libcrypt.so.1 => /lib64/libcrypt.so.1 (0x00007f9b0df94000)
libnsl.so.1 => /lib64/libnsl.so.1 (0x00007f9b0dd7b000)
libm.so.6 => /lib64/libm.so.6 (0x00007f9b0daf6000)
libssl.so.10 => /usr/lib64/libssl.so.10 (0x00007f9b0d88a000)
libcrypto.so.10 => /usr/lib64/libcrypto.so.10 (0x00007f9b0d4a6000)
libc.so.6 => /lib64/libc.so.6 (0x00007f9b0d111000)
libfreebl3.so => /lib64/libfreebl3.so (0x00007f9b0cf0e000)
libgssapi_krb5.so.2 => /lib64/libgssapi_krb5.so.2 (0x00007f9b0ccca000)
libkrb5.so.3 => /lib64/libkrb5.so.3 (0x00007f9b0c9e2000)
libcom_err.so.2 => /lib64/libcom_err.so.2 (0x00007f9b0c7de000)
libk5crypto.so.3 => /lib64/libk5crypto.so.3 (0x00007f9b0c5b2000)
libresolv.so.2 => /lib64/libresolv.so.2 (0x00007f9b0c397000)
libdl.so.2 => /lib64/libdl.so.2 (0x00007f9b0c193000)
/lib64/ld-linux-x86-64.so.2 (0x000000381da00000)
libkrb5support.so.0 => /lib64/libkrb5support.so.0 (0x00007f9b0bf88000)
libkeyutils.so.1 => /lib64/libkeyutils.so.1 (0x00007f9b0bd84000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f9b0bb67000)
libselinux.so.1 => /lib64/libselinux.so.1 (0x00007f9b0b947000)
[root@three57 mysql57_dir]# rpm -qa|grep -i --color mysql
mysql-community-common-5.7.21-1.el6.x86_64
mysql-community-server-5.7.21-1.el6.x86_64
perl-DBD-MySQL-4.013-3.el6.x86_64
mysql-community-libs-5.7.21-1.el6.x86_64
mysql-community-client-5.7.21-1.el6.x86_64
[root@three57 mysql57_dir]# locate /usr/lib64/mysql/libmysqlclient.so.20
/usr/lib64/mysql/libmysqlclient.so.20
/usr/lib64/mysql/libmysqlclient.so.20.3.8
(注：它是提供mysql旧版本的共享库文件）
[root@three57 mysql57_dir]# rpm -ivh mysql-community-libs-compat-5.7.21-1.el6.x86_64.rpm
warning: mysql-community-libs-compat-5.7.21-1.el6.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing... ########################################### [100%]
1:mysql-community-libs-co########################################### [100%]
[root@three57 mysql57_dir]# locate libmysqlclient.so.16
/usr/lib64/mysql/libmysqlclient.so.16
/usr/lib64/mysql/libmysqlclient.so.16.0.0
[root@three57 mysql57_dir]# ldd /usr/lib64/perl5/auto/DBD/mysql/mysql.so
linux-vdso.so.1 => (0x00007ffd3fee9000)
libmysqlclient.so.16 => /usr/lib64/mysql/libmysqlclient.so.16 (0x00007f346d4e3000)
libz.so.1 => /lib64/libz.so.1 (0x00007f346d2cd000)
libcrypt.so.1 => /lib64/libcrypt.so.1 (0x00007f346d095000)
libnsl.so.1 => /lib64/libnsl.so.1 (0x00007f346ce7c000)
libm.so.6 => /lib64/libm.so.6 (0x00007f346cbf8000)
libssl.so.10 => /usr/lib64/libssl.so.10 (0x00007f346c98b000)
libcrypto.so.10 => /usr/lib64/libcrypto.so.10 (0x00007f346c5a7000)
libc.so.6 => /lib64/libc.so.6 (0x00007f346c213000)
libfreebl3.so => /lib64/libfreebl3.so (0x00007f346c00f000)
libgssapi_krb5.so.2 => /lib64/libgssapi_krb5.so.2 (0x00007f346bdcb000)
libkrb5.so.3 => /lib64/libkrb5.so.3 (0x00007f346bae4000)
libcom_err.so.2 => /lib64/libcom_err.so.2 (0x00007f346b8df000)
libk5crypto.so.3 => /lib64/libk5crypto.so.3 (0x00007f346b6b3000)
libresolv.so.2 => /lib64/libresolv.so.2 (0x00007f346b499000)
libdl.so.2 => /lib64/libdl.so.2 (0x00007f346b294000)
/lib64/ld-linux-x86-64.so.2 (0x000000381da00000)
libkrb5support.so.0 => /lib64/libkrb5support.so.0 (0x00007f346b089000)
libkeyutils.so.1 => /lib64/libkeyutils.so.1 (0x00007f346ae86000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f346ac68000)
libselinux.so.1 => /lib64/libselinux.so.1 (0x00007f346aa49000)
到此，关于“mysql执行执行pt-query-digest报错的原因”的学习就结束了，希望能够解决大家的疑惑。理论与实践的搭配能更好的帮助大家学习，快去试试吧！若想继续学习更多相关知识，请继续关注创新互联网站，小编会继续努力为大家带来更多实用的文章！
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