Thank you very much Mark and Tim for precise answers - I have to be also more precise giving questions next time, because I am interested in practical limits and big DSpace installations. However, thanks again for the great summary of possible (and theoretical) DSpace capabilities.
Vlastik On 8/23/19 3:10 PM, Mark H. Wood wrote: > On Fri, Aug 23, 2019 at 03:57:46AM -0700, Vlastimil Krejčíř wrote: >> back in April 2013 I asked the community about the DSpace scalability, see: >> >> http://dspace.2283337.n4.nabble.com/DSpace-scalability-tens-of-hundreds-TBs-tt4662988.html#a4663047 >> >> Now, at 2019, it is time to ask the same question :-). >> >> How much data / how many items can DSpace handle? > > That's a difficult question to answer, without defining "handle" more > precisely. > > There is a theoretical limit to the number of distinct objects that > DSpace can manage, imposed by the way they are uniquely identified. > In v1 through v5 it was the number of 31-bit integers: about two > billion. In v6 it is the number of distinct UUIDs of a certain type, > which is less than 1.6e19 but probably more than 2.0e9. The majority > of those identifiers will be on bitstreams, with a somewhat smaller > number allocated to items, and a relatively smaller proportion given to > collections and communities. > > DSpace doesn't set a limit on how much data it can store. That will > be determined by the nature of the underlying filesystem and the > distribution of sizes of individual bitstreams. HTTP may also set > some limits on the sizes of individual accesses. > > The *practical* limits will also depend on the combination of network > capacity, bitstream sizes, HTTP timeout settings, and how long the > typical user is willing to wait. > > It is a large and ramifying question. :-) > -- All messages to this mailing list should adhere to the DuraSpace Code of Conduct: https://duraspace.org/about/policies/code-of-conduct/ --- You received this message because you are subscribed to the Google Groups "DSpace Community" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/dspace-community/043bbf69-8c94-01d7-6032-f62d3ba9e6a4%40ics.muni.cz.
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