WDQS Graph Split Manual Data Load Notes
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Authored by RKemper on Dec 7 2023, 8:12 PM.

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	F41571200: WDQS Graph Split Manual Data Load Notes
	Dec 7 2023, 8:12 PM

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	# Downtime host(s) to reduce noise
	ryankemper@cumin1001:~$ sudo -E cookbook sre.hosts.downtime --days 7 -r 'graph split experiments T350106' wdqs102[2-4].eqiad.wmnet

	# Set permissions on files if not already sufficient
	chmod 555 /srv/T350106/gzips/gzips/gzips/nt_wd_schol/*


	# Run from `/srv/T350106/gzips/gzips/gzips/nt_wd_schol/*` to change file ext from .txt.gz to .ttl.gz
	for FILE in *; do NEW_FILE="$(echo $FILE \| sed 's~.txt.gz~.ttl.gz~';)"; sudo mv $FILE $NEW_FILE; done


	# Disable puppet, stop blazegraph, clear out jnl file, start blazegraph, restart exporter
	sudo disable-puppet "T350106" && sudo systemctl stop wdqs-blazegraph && sleep 5 && rm -fv /srv/wdqs/wikidata.jnl && sleep 5 && sudo systemctl start wdqs-blazegraph && sudo systemctl restart prometheus-blazegraph-exporter-wdqs-blazegraph.service


	# Get slightly-modified loadData.sh into place if not present
	scp loadData.sh ryankemper@wdqs1023.eqiad.wmnet:/home/ryankemper/loadData.sh

	# Modify further to match file format of /srv/T350106/gzips/gzips/gzips/nt_wd_schol/* (in this case) if necessary
	vi /srv/T350106/loadData.sh

	# Run on first chunk
	sudo /srv/T350106/loadData.sh -n wdq -d /srv/T350106/gzips/gzips/gzips/nt_wd_schol -s 0 -e 0

	# Run on all remaining chunks
	sudo /srv/T350106/loadData.sh -n wdq -d /srv/T350106/gzips/gzips/gzips/nt_wd_schol

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