[maksaska]

Adds ducktests that fill one volume of a persistent server node under load and record what the node does today: the log volume (also filled by System.out, and across a restart), JFR, a volume shared by logs and data, WAL, WAL archive, partitions, work, and CDC. What the node does per volume is in the Jira issue.

Framework: mount_tmpfs(path, size_mb) for size-limited volumes, IgniteNodeSpecFileOutput (stdout and stderr appended to console.log by the shell, as nohup does), and @Reproducer(global_name), which ignores a test unless its global is set.

Tested: all 10 cases pass with -n 4 -gj '{"disk_full_tests": true}'; without the global they are ignored.

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