Hi Malcolm,
Unfortunately, there is no vacuum-like procedure for Sedna (except for
reloading with se_exp export, se_exp restore). Though if it grows too fast
(without actual data growing) that's strange. At least we can check that
there are no leaks or some obvious non-optimal data file usages.
1. How many updates do you run? What kind of updates (mostly inserts,
replaces or deletes)?
2. Do actual data grow? Check it with se_exp utility - just serialize
everything and compare with the initial state.
3. Could you try to reproduce this without indexing. Is result the same?
4. Run doc('$document_<name>') for stand-alone documents
and doc('$collection_<name>') for collection to retrieve statistics. Reload
with se_exp export, se_exp restore. Retrieve statistics again and send us
results.
5. Could you give us something to try to reproduce this on our side?
Ivan Shcheklein,
Sedna Team
With 3.4.66, the core sedata file grows significantly as inserts and
> updates are applied.****
>
> ** **
>
> We have systems with 1 GB of XML data that take up 10 GB of diskspace. **
> **
>
> ** **
>
> I understand that there are factors beyond raw XML to diskspace size, such
> as indexing.****
>
> ** **
>
> Question****
>
> Is file fragmentation still an issue with the latest Sedna RC?
> Are there approaches to resolving fragmentation?****
>
> Does backup/restore fix the diskspace issue? (Not that I want to implement
> backup/restore processes, but just inquiring)****
>
> ** **
>
> Background****
>
> We are utilizing Amazon micro-instances that have a standard 15 GB. We
> had planned on worse case scenarios around 6-8 GB per- instance. We are
> concerned that sedata diskspace may exceed the 15 GB capabilities.****
>
> ** **
>
> Thanks,****
>
> Malcolm****
>
>
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