gerrit-migration-environment

What to check for migration

• check release notes
• check plugin compatibility
• timing of the operations, expecially reindexing
• reindexing: check time taken and resource usage
• check both upgrade and rollback plan with incoming RW traffic

Useful commands

• Generate changes in bulk

while true; do git checkout -f origin/master; for i in $(seq 1 $(( ( RANDOM % 150 )  + 5 ))); do  base64 /dev/urandom | head -c $(( ( RANDOM % 10000000 )  + 100000 )) > $RANDOM-$i; done; git add . && git commit -m "Add file $(date)" && git push origin HEAD:refs/for/master
; sleep 2; done;

• Backup Postgres DB

• Restore Postgres DB