Redis 启动警告错误解决 启动错误 1.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'…
关于启动tomcatINFO警告错误问题解决: #apr 与 tomcat-native 提供更好的伸缩性.性能和集成到本地服务器技术.如果没有apr技术,启动tomcat 时出现如下提示:INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/j…
1. warning: #767-D: conversion from pointer to smaller integer 解释:将指针转换为较小的整数 影响:可能造成的影响:容易引起数据截断,造成不必要的数据丢失.如果出现bug,很难调试. 改正:尽量避免这种转换,避免不了要确定转换的数据不会引起数据丢失. 2. warning: #177-D:variable "i" was declared but never referenced 解释:变量i定义了,但是没有使用 影响:没有…
启动错误 (1)WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.(2)WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue…