release-22.2: backupccl: deflake TestScheduleChainingLifecycle #95635
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This patch will skip the test if the machine clock is close to midnight, and increases the frequency of incremental backups to run every 2 minutes. Previously, the backup schedule in this test used the following crontab recurrence: '*/5 * * * *'. In english, this means "run a full backup now, and then run a full backup every day at midnight, and an incremental every 5 minutes. This test also relies on an incremental backup running after the first full backup. But, what happens if the first full backup gets scheduled to run within 5 minutes of midnight? A second full backup may get scheduled before the expected incremental backup, breaking the invariant the test expects. Fixes #88575 #95186 Release note: None
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Backport 1/1 commits from #95606 on behalf of @msbutler.
/cc @cockroachdb/release
This patch will skip the test if the machine clock is close to midnight, and increases the frequency of incremental backups to run every 2 minutes.
Previously, the backup schedule in this test used the following crontab recurrence: '*/5 * * * *'. In english, this means "run a full backup now, and then run a full backup every day at midnight, and an incremental every 5 minutes. This test also relies on an incremental backup running after the first full backup. But, what happens if the first full backup gets scheduled to run within 5 minutes of midnight? A second full backup may get scheduled before the expected incremental backup, breaking the invariant the test expects.
Fixes #88575 #95186
Release note: None
Release justification: test only change