Import

Import
edit
state  ✅
url  https://wiki.bitplan.com/index.php/Wikidata_Import_2026-07-17
target  QLever
start  2026-07-17
end  2026-07-18
days  0.6
os  Ubuntu 22.04.3 LTS
cpu  Intel(R) Xeon(R) Gold 6326 CPU @ 2.90GHz (16 cores)
ram  512
triples  21,412,979,492
comment  latest-all.ttl.bz2 08-Jul-2026 124325724078

latest-lexemes.ttl.bz2 10-Jul-2026 621907978


qlv based

list

qlv --list
/hd/beta/qlever/wikidata_20260216/
/hd/delta/qlever/wikidata_20251210/

check disk space

qlv -s
Directory  Device           Available      Total Type
alpha      /dev/sdb1             835G       3.5T  SSD
beta       /dev/sdc1             1.1T       3.5T  SSD
delta      /dev/sde1             1.3T       3.5T  SSD
eneco      /dev/sda1             4.1T        11T  HDD
gamma      /dev/sdd1             1.1T       3.5T  SSD
mantax     /dev/nvme0n1p1        720G       5.8T  SSD

not enough space for a fresh run yet - delta space to be reused after the switch

clean

wf@wikidata:/hd/beta/qlever$ sudo rm -rf wikidata_20260216

Available downloads

as per the directory listing at https://dumps.wikimedia.org/wikidatawiki/entities/ (checked 2026-07-17):

latest-all.json.bz2      14-Jul-2026   102,222,056,434
latest-all.ttl.bz2       08-Jul-2026   124,325,724,078
latest-all.nt.bz2        08-Jul-2026   194,048,936,341
latest-truthy.nt.bz2     10-Jul-2026    43,021,139,444
latest-lexemes.ttl.bz2   10-Jul-2026       621,907,978

a fresh run would reach ≈ 2026-07-06; graph split impact on dumps unverified

pull

qlv -p
Pulling QLever Docker images...
Using default tag: latest
latest: Pulling from adfreiburg/qlever
ca2678b20700: Pull complete 
4beef36c1648: Pull complete 
1f4eb586a84a: Pull complete 
de2fdb26c967: Pull complete 
3dfb25f41bbb: Pull complete 
04647e7ab3ed: Pull complete 
614c91f84b8f: Pull complete 
aa1ae6b7973e: Pull complete 
39e38785eb49: Pull complete 
f46616ea2e84: Pull complete 
d59465e6ef1b: Pull complete 
5a7859b14362: Pull complete 
63d86f8fb3df: Pull complete 
7d251e7326a9: Pull complete 
9d6bc40d244f: Pull complete 
41e5cbbe9294: Pull complete 
848c27917e05: Pull complete 
Digest: sha256:00122e1d1392c725fd8917360af08e79a30b531d5ad09cd420db7fc253757336
Status: Downloaded newer image for adfreiburg/qlever:latest
docker.io/adfreiburg/qlever:latest
✅:Successfully pulled adfreiburg/qlever
Using default tag: latest
latest: Pulling from adfreiburg/qlever-ui
c6a83fedfae6: Already exists 
d7c82518a7cd: Already exists 
14d88fabbbe9: Already exists 
5a3d34767148: Already exists 
a241ded2a651: Already exists 
27704eb5c7a9: Pull complete 
4f4fb700ef54: Pull complete 
9a36fe5fdbd7: Pull complete 
51cddbd3d31c: Pull complete 
2c07b39a521b: Pull complete 
ff89656a3aa9: Pull complete 
4bf74232d112: Pull complete 
Digest: sha256:2bdbfac438c8d43ae5337bb547993b1880e5c43b63871c74ca180aa123644851
Status: Downloaded newer image for adfreiburg/qlever-ui:latest
docker.io/adfreiburg/qlever-ui:latest
✅:Successfully pulled adfreiburg/qlever-ui

qlever control check

python --version
Python 3.10.12
which qlever
/home/wf/.local/bin/qlever
pip install -U qlever
...
qlever --version

To enable autocompletion, run the following command, and consider adding it to your `.bashrc` or `.zshrc`:
eval "$(register-python-argcomplete qlever)" && export QLEVER_ARGCOMPLETE_ENABLED=1
qlever 0.5.50

space

qlv -s
Directory  Device           Available      Total Type
alpha      /dev/sdb1             835G       3.5T  SSD
beta       /dev/sdc1             1.6T       3.5T  SSD
delta      /dev/sde1             1.3T       3.5T  SSD
eneco      /dev/sda1             4.1T        11T  HDD
gamma      /dev/sdd1             1.1T       3.5T  SSD
mantax     /dev/nvme0n1p1        720G       5.8T  SSD
wf@wikidata:/hd/beta$ du -sm wikidata_20251123_mdb/
1845303	wikidata_20251123_mdb/
wf@wikidata:/hd/beta$ ls -l wikidata_20251123_mdb/*.ttl
-rw-rw-r-- 1 wf wf 971755901449 Nov 24  2025 wikidata_20251123_mdb/wikidata-combined.ttl
wf

start

qlv --disk beta -ir
✅:Created directory /hd/beta/qlever/wikidata_20260717
✅:Started screen session qlever_wikidata_20260717.
✅:Logging to /hd/beta/qlever/wikidata_20260717/screen.log
tail -1 screen.log 
QLever indexing process completed at Sat Jul 18 08:33:10 AM CEST 2026
wf@wikidata:/hd/delta/qlever/wikidata_20251210$ qlever stop
wf@wikidata:/hd/beta/qlever/wikidata_20260717 qlever start