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Retry for stale reads in KV CAS chaos test #4769

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@mprimi mprimi commented Nov 8, 2023

Relax KV CAS test which was failing immediately upon reading a key with a revision which is known to be stale.
Instead, retry the read until a newer version is returned.

Signed-off-by: Marco Primi marco@synadia.com

@mprimi mprimi requested a review from a team as a code owner November 8, 2023 19:07
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Prefer to leave direct gets but you can use checkFor() helper to wait for a certain period of time for the get to be current.

@mprimi mprimi force-pushed the marco/chaos_test_kv_direct_get branch from 6ad58b4 to a743862 Compare November 8, 2023 23:13
@mprimi mprimi changed the title Turn off DirectGet for KV bucket in test Retry for stale reads in KV CAS chaos test Nov 8, 2023
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mprimi commented Nov 8, 2023

@derekcollison updated to leave DirectGet on, be more tolerant of stale reads, and retry with checkFor.

(2 commits for easier review, squashable on merge)

@derekcollison derekcollison self-requested a review November 9, 2023 00:19
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@mprimi mprimi force-pushed the marco/chaos_test_kv_direct_get branch from a743862 to 564661c Compare November 9, 2023 16:53
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mprimi commented Nov 9, 2023

Updated indentation in 2nd commit
Added 3rd commit to switch to require_ where appropriate

@mprimi mprimi force-pushed the marco/chaos_test_kv_direct_get branch from 564661c to 88a10b1 Compare November 15, 2023 18:28
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mprimi commented Nov 15, 2023

Just rebased, the Jenkins error comes from Run non JetStream/MQTT tests from the server package::TestProcessSignalMultipleProcessesGlob, the rest is green.

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One comment on the allow direct update to false.

@mprimi mprimi force-pushed the marco/chaos_test_kv_direct_get branch from 88a10b1 to 136687e Compare November 17, 2023 23:53
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Can we check the failures, seems all tests fails so probably failed staticcheck or something.

Also, @mprimi is this the test that shows reset you wanted us to look at?

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mprimi commented Dec 14, 2023

@derekcollison this got stale, I'll rebase.

The failing RAFT i mentioned is a different (draft) PR: #4626

Signed-off-by: Marco Primi marco@synadia.com
When detecting a stale value, retry rather than fail immediately.

Signed-off-by: Marco Primi marco@synadia.com
Signed-off-by: Marco Primi marco@synadia.com
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mprimi commented Dec 15, 2023

Freshly rebased on top of latest main.

@github-actions github-actions bot added the stale This issue has had no activity in a while label Mar 19, 2024
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3 participants