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Add documentation on IEC and SI prefixes

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This commit is contained in:
Johan Wikman
2017-01-23 10:19:20 +02:00
parent 105f626e76
commit 806a25167a
1 changed files with 26 additions and 0 deletions
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Documentation/Getting-Started/Configuration-Guide.md
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@ -81,6 +81,32 @@ The values of the parameter that are not on the first line need to have at
least one whitespace character before them in order for them to be recognized least one whitespace character before them in order for them to be recognized
as a part of the multi-line parameter. as a part of the multi-line parameter.
### Sizes
Where _specifically noted_, a number denoting a size can be suffixed by a subset of
the IEC binary prefixes or the SI prefixes. In the former case the number will be
interpreted as a certain multiple of 1024 and in the latter case as a certain multiple
of 1000. The supported IEC binary suffixes are `Ki`, `Mi`, `Gi` and `Ti` and the
supported SI suffixes are `k`, `M`, `G` and `T`. In both cases, the matching is
case insensitive.
For instance, the following entries
```
max_size=1099511628000
max_size=1073741824Ki
max_size=1048576Mi
max_size=1024Gi
max_size=1Ti
```
are equivalent, as are the following
```
max_size=1000000000000
max_size=1000000000k
max_size=1000000M
max_size=1000G
max_size=1T
```
### Global Settings ### Global Settings
The global settings, in a section named `[MaxScale]`, allow various parameters The global settings, in a section named `[MaxScale]`, allow various parameters