Hi!

> I will look into the size of the jnl file but should that not be
> located where the blazegraph is running from the sparql endpoint or
> is this a special flavour? Was also thinking of looking into a gitlab
> runner which occasionally could generate a HDT file from the ttl dump
> if our server can handle it but for this an md5 sum file would be
> preferable or should a timestamp be sufficient?

Publishing jnl file for Blazegraph may be not as useful as one would
think, because jnl file is specific for a specific vocabulary and
certain other settings - i.e., unless you run the same WDQS code (which
customizes some of these) of the same version, you won't be able to use
the same file. Of course, since WDQS code is open source, it may be good
enough, so in general publishing such file may be possible.

Currently, it's about 300G size uncompressed. No idea how much
compressed. Loading it takes a couple of days on reasonably powerful
machine, more on labs ones (I haven't tried to load full dump on labs
for a while, since labs VMs are too weak for that).

In general, I'd say it'd take about 100M per million of triples. Less if
triples are using repeated URIs, probably more if they contain ton of
text data.

-- 
Stas Malyshev
smalys...@wikimedia.org

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