Vlad
Thank you, english is not my first language, I interpreted the sentence as "go calculate the total amount of ram, then set the value as a number within such percentage of your ram...", but thanks for the clarification. Perhaps to avoid other users making the same mistake each configurable variable on firebird .cfg files could have a "domain" explaining what type of variable it is, like "Domain = From 0 to 100, up to 2 decimals allowed, decimal separator is DOT". Furthermore, in this case I first understood what was required was actually a percentage number, but then changed my mind as it would be too hard for most users to think that way, as percentage mathematically speaking the way to represent 20% is actually 0.2, so it goes from 0 to 1.
I hope this helps other users,
Cheers,
Fabian
----- Original Message -----Sent: Wednesday, June 01, 2016 9:32 PMSubject: [firebird-support] Re: Issue with Database Cache Size on FB 3.0---In firebird-support@yahoogroups.com, <fabianch@...> wrote :
...
> The setting we are playing with are:
>
> On firebird.conf
>
> FileSystemCacheThreshold = 0
> FileSystemCacheSize = 17179869184 (this is 16 GB - the server has 32 GB
> ram.)
Does you ever read comments describing this setting ? I can do it for you :
"measured in % of total physical RAM".
I.e. any value not in range [0..100] is wrong by definition. Read firebird.log, it should contain
error message:
"Incorrect FileSystemCacheSize setting %d. Using default (30 percent)."
If you really want to limit file system cache by 50% of avalable RAM - set FileSystemCacheSize
value to 50 (and restart Firebird), no need to calc in bytes...
Regards,
Vlad
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Posted by: <fabianch@itbizolutions.com.au>
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++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Visit http://www.firebirdsql.org and click the Documentation item
on the main (top) menu. Try FAQ and other links from the left-side menu there.
Also search the knowledgebases at http://www.ibphoenix.com/resources/documents/
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Visit http://www.firebirdsql.org and click the Documentation item
on the main (top) menu. Try FAQ and other links from the left-side menu there.
Also search the knowledgebases at http://www.ibphoenix.com/resources/documents/
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
.
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