sysbench: error while loading shared libraries: libmysqlclient.so.18: cannot ope
安装编译完后sysbench后，报错。报错信息：
# sysbench -v
sysbench: error while loading shared libraries: libmysqlclient.so.18: cannot open shared object file: No such file or directory
解决方法：
1、
# ls -l /usr/local/mysql/lib/libmysqlclient.so.18*
lrwxrwxrwx. 1 mysql mysql 24 Aug 13 19:16 /usr/local/mysql/lib/libmysqlclient.so.18 -> libmysqlclient.so.18.0.0
-rwxr-xr-x.1 mysql mysql 6892140 Aug 13 19:16/usr/local/mysql/lib/libmysqlclient.so.18.0.0
文件是存在的，使用软链接连接下；
# ln -s /usr/local/mysql/lib/libmysqlclient.so.18 /usr/lib/
此时测试是否可以，如果不可以进行第二步。
2、
# vi /etc/ld.so.conf
在末尾加上：export LD_LIBRARY_PATH=/usr/local/mysql/lib mysql的安装目录。
# ldconfig
# sysbench -v
Unknown command: -v.
Usage:
sysbench ... --test= ... command
General options:
--num-threads=N number of threads to use
--max-requests=N limit for total number of requests
--max-time=N limit for total execution time in seconds
--forced-shutdown=STRING amount of time to wait after --max-time before forcing shutdown
--thread-stack-size=SIZE size of stack per thread
--tx-rate=N target transaction rate (tps)
--tx-jitter=N target transaction variation, in microseconds
--report-interval=N periodically report intermediate statistics with a specified interval in seconds. 0 disables intermediate reports
--test=STRING test to run
--debug= print more debugging info
--validate= perform validation checks where possible
--help= print help and exit
--version= print version and exit
--rand-init= initialize random number generator
--rand-type=STRING random numbers distribution {uniform,gaussian,special}
--rand-spec-iter=N number of iterations used for numbers generation
--rand-spec-pct=N percentage of values to be treated as 'special' (for special distribution)
--rand-spec-res=N percentage of 'special' values to use (for special distribution)
--rand-seed=N seed for random number generator, ignored when 0
Log options:
--verbosity=N verbosity level {5 - debug, 0 - only critical messages}
--percentile=N percentile rank of query response times to count
Compiled-in tests:
fileio - File I/O test
cpu - CPU performance test
memory - Memory functions speed test
threads - Threads subsystem performance test
mutex - Mutex performance test
Commands: prepare run cleanup help version
See 'sysbench --test= help' for a list of options for each test.
此时基本可以确定问题解决。
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