mongoDB配置问题--mongo shell 警告
#shell连接mongoDB之后给如下警告MongoDB shell version: 3.0.2
connecting to: test
Server has startup warnings:
2015-04-22T09:59:51.085+0800 I CONTROL
2015-04-22T09:59:51.085+0800 I CONTROL ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always'.
2015-04-22T09:59:51.085+0800 I CONTROL ** We suggest setting it to 'never'
2015-04-22T09:59:51.085+0800 I CONTROL
2015-04-22T09:59:51.085+0800 I CONTROL ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'.
2015-04-22T09:59:51.085+0800 I CONTROL ** We suggest setting it to 'never'
2015-04-22T09:59:51.085+0800 I CONTROL
2015-04-22T09:59:51.085+0800 I CONTROL ** WARNING: soft rlimits too low. rlimits set to 30543 processes, 64000 files. Number of processes should be at least 32000 : 0.5 times number of files.
2015-04-22T09:59:51.085+0800 I CONTROL
-虽然不影响学习但是由于本菜的强迫症.....
#解决方法(其实本菜完全不知道这是在干嘛)
前两个警告：root权限下
# echo never >/sys/kernel/mm/transparent_hugepage/enabled
# echo never >/sys/kernel/mm/transparent_hugepage/defrag
第三个警告：
在/etc/security/limits.d/下修改文件99-mongodb-nproc.conf(如果没有则新建文件)添加内容:
#mongodb set limits config
*-fsize unlimited # (file size)
*-cpu unlimited # (cpu time)
*-as unlimited # (virtual memory size)
*-nofile 64000 # (open files)
*-nproc 64000 # (processes/threads)
然后重启mongoDB再进入mongo shell警告消失
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