[root@centos7 redis-5.0.3]# cat /apps/redis/logs/redis.log
16690:C 07 Feb 2020 20:09:33.769 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
16690:C 07 Feb 2020 20:09:33.769 # Redis version=5.0.3, bits=64, commit=00000000, modified=0, pid=16690, just started
16690:C 07 Feb 2020 20:09:33.769 # Configuration loaded
16690:C 07 Feb 2020 20:09:33.769 * supervised by systemd, will signal readiness
16690:M 07 Feb 2020 20:09:33.770 # You requested maxclients of 10000 requiring at least 10032 max file descriptors.
16690:M 07 Feb 2020 20:09:33.770 # Server can't set maximum open files to 10032 because of OS error: Operation not permitted.
16690:M 07 Feb 2020 20:09:33.770 # Current maximum open files is 4096. maxclients has been reduced to 4064 to compensate for low ulimit. If you need higher maxclients increase 'ulimit -n'.
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_.-```.`_. ''-._ Redis 5.0.3 (00000000/0) 64 bit
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( ' , .-`|`, ) Running in standalone mode
|`-._`-...-` __...-.``-._|'` _.-'| Port: 6379
| `-._ `._ / _.-'| PID: 16690
`-._ `-._ `-./ _.-' _.-'|`-._`-._ `-.__.-' _.-'_.-'||`-._`-._ _.-'_.-'| http://redis.io
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16690:M 07 Feb 2020 20:09:33.771 # Server initialized
16690:M 07 Feb 2020 20:09:33.771 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect. #不影响初次使用的错误
16690:M 07 Feb 2020 20:09:33.771 # WARNING you have Transparent Huge Pages (THP) support enabled in your kernel. This will create latency and memory usage issues with Redis. To fix this issue run the command 'echo never > /sys/kernel/mm/transparent_hugepage/enabled' as root, and add it to your /etc/rc.local in order to retain the setting after a reboot. Redis must be restarted after THP is disabled.#不影响初次使用的错误
16690:M 07 Feb 2020 20:09:33.771 * Ready to accept connections