背景:[13223] 17 Mar 13:18:02.207 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add ...
内核参数overcommit memory : 它是 内存分配策略 可选值: 。 :表示内核将检查是否有足够的可用内存供应用进程使用 如果有足够的可用内存,内存申请允许 否则,内存申请失败,并把错误返回给应用进程。 :表示内核允许分配所有的物理内存,而不管当前的内存状态如何。 :表示内核允许分配超过所有物理内存和交换空间总和的内存 内核参数zone reclaim mode: 可选值 a 当某个节 ...
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背景:[13223] 17 Mar 13:18:02.207 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add ...
一、背景 公司的redis有时background save db不成功,通过log发现下面的告警,很可能由它引起的: [13223] 17 Mar 13:18:02.207 # WARNING overcommit_memory is set to 0! Background save ...
Redis在启动时不成功, 查看日志发现如下警告: WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add ...
公司的几台Redis服务器出现不明故障,查看Redis日志,发现如下提示: [34145] 01 Jan 17:42:02 # WARNING overcommit_memory is set to 0! Background save may fail under low memory ...
1:Mongod日志warning: mongodb日志显示如下: WARNING: You are running on a NUMA machine. We suggest launching mongod like this to avoid performance ...
问题现象: (1) 设备接入BBC(集中管理平台,会占用很大的虚拟内存空间)用top查看到系统free还有100多MB,此时启动golang程序会出现 out of memory. (2) 设备不接入BBC,用top查看到系统free还有100多MB,此时 ...
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 ...
10gen在mongodb的部署指南上,提到了在NUMA机器上,mongodb可能会出现问题,参见:http://docs.mongodb.org/manual/administration/production-notes/#production-numa 里面引用了一篇博客,主要讲MySQL ...