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MXS-1775 Add functions for checking disk space of servers

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This commit is contained in:
Johan Wikman
2018-06-05 10:54:15 +03:00
parent 4325ab620b
commit 5172c43e29
4 changed files with 173 additions and 2 deletions
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9
Documentation/Getting-Started/Configuration-Guide.md
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@ -1284,7 +1284,8 @@ how full the corresponding disk may be, before action is taken. E.g. an entry li
specifies that the disk that has been mounted on `/data` may be used until 80%
of the total space has been consumed. Multiple entries can be specified by
separating them by a comma. If the path is specified using `*`, then the limit
applies to all disks.
applies to all disks. However, the value of `*` is only applied if there is not
an exact match.
Note that if a particular disk has been mounted on several paths, only one path
need to be specified. If several are specified, then the one with the smallest
@ -1294,8 +1295,12 @@ Examples:
```
disk_space_threshold=*:80
disk_space_threshold=/data:80
disk_space_threshold=/data1:80,/data2:70,/data3:30
disk_space_threshold=/data1:80,/data2:60,*:90
```
The last line means that the disk mounted at `/data1` may be used up to
80%, the disk mounted at `/data2` may be used up to 60% and all other disks
mounted at any paths may be used up until 90% of maximum capacity, before
MaxScale starts to warn to take action.
Note that the path to be used, is one of the paths returned by:
```