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Rename Paused states to Stopping.

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I'm not a fan of "Paused", for two reasons:

- Paused implies that the tenant/timeline with no activity on it. That's
  not true; the tenant/timeline can still have active tasks working on it.

- Paused implies that it can be resumed later. It can not. A tenant or
  timeline in this state cannot be switched back to Active state anymore.
  A completely new Tenant or Timeline struct can be constructed for the
  same tenant or timeline later, e.g. if you detach and later re-attach
  the same tenant, but that's a different thing.

Stopping describes the state better. I also considered "ShuttingDown",
but Stopping is simpler as it's a single word.
This commit is contained in:
Heikki Linnakangas
2022-11-30 01:10:16 +02:00
committed by Heikki Linnakangas
parent 9a6c0be823
commit 33834c01ec
6 changed files with 31 additions and 31 deletions
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test_runner/fixtures/neon_fixtures.py
+2 -2
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@@ -1765,8 +1765,8 @@ class NeonPageserver(PgProtocol):
# FIXME: we shouldn't be considering it an error: https://github.com/neondatabase/neon/issues/2946
".*could not flush frozen layer.*queue is in state Stopped", # when schedule layer upload fails because queued got closed before compaction got killed
".*wait for layer upload ops to complete.*", # .*Caused by:.*wait_completion aborted because upload queue was stopped
".*gc_loop.*Gc failed, retrying in.*timeline is paused: Paused", # When gc checks timeline state after acquiring layer_removal_cs
".*compaction_loop.*Compaction failed, retrying in.*timeline is paused: Paused", # When compaction checks timeline state after acquiring layer_removal_cs
".*gc_loop.*Gc failed, retrying in.*timeline is Stopping", # When gc checks timeline state after acquiring layer_removal_cs
".*compaction_loop.*Compaction failed, retrying in.*timeline is Stopping", # When compaction checks timeline state after acquiring layer_removal_cs
".*query handler for 'pagestream.*failed: Timeline .* was not found", # postgres reconnects while timeline_delete doesn't hold the tenant's timelines.lock()
]