Re: [mdr-users] Btree is there just 2 files (data & Index)

Martin Matula wrote:
> Hi Adam,
> by default there are just these two files (per many extents). Plus, 
> during the work with the database, a backup file is automatically 
> created (kind of a transaction log - with btb extension) that gets 
> deleted on the repository shutdown.
> MDR and b-tree also supports what we call storage federation. It allows 
> you to split up the metadata into several storage files to the 
> granularity of a single (or more) extent per two files (btx and btb) and 
> mount/unmount these storage partitions with extends as needed.
> Martin
> 

Thanks.

Adam

> 
> Adam wrote:
> 
>> Dear All,
>>
>> One of the questions raised by the HL7 ppl was to do with how many 
>> files the btree engine creates. According to the architecture web page 
>> the engine has an index file & a data file. Is that it for many 
>> extents/models etc or is it one datafile&index per extent/model?
>>
>> TIA
>>
>> Adam
>>
> 
>