Re: 15beta1 test failure on mips in isolation/expected/stats

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, myon(at)debian(dot)org, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: 15beta1 test failure on mips in isolation/expected/stats
Date: 2022-05-20 04:22:14
Message-ID: 268353.1653020534@sss.pgh.pa.us
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Andres Freund <andres(at)anarazel(dot)de> writes:
> Hm. Does the instability vanish if you switch s2_commit_prepared_a and s1_ff?

Like this?

diff --git a/src/test/isolation/specs/stats.spec b/src/test/isolation/specs/stats.spec
index be4ae1f4ff..70be29b207 100644
--- a/src/test/isolation/specs/stats.spec
+++ b/src/test/isolation/specs/stats.spec
@@ -562,8 +562,9 @@ permutation
s1_table_insert_k1 # should be counted
s1_table_update_k1 # dito
s1_prepare_a
+ s1_ff
s2_commit_prepared_a
- s1_ff s2_ff
+ s2_ff
s1_table_stats

# S1 prepares, S1 aborts prepared

There's some fallout in the expected-file, of course, but this
does seem to fix it (20 consecutive successful runs now at
100/2). Don't see why though ...

regards, tom lane

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