From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi> |
Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Grouping isolationtester tests in the schedule |
Date: | 2019-08-07 15:08:57 |
Message-ID: | 30181.1565190537@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Heikki Linnakangas <hlinnaka(at)iki(dot)fi> writes:
> The list of tests in src/test/isolation/isolation_schedule has grown
> over the years. Originally, they were all related to Serializable
> Snapshot Isolation, but there are different kinds of concurrency tests
> there now. More tests is good, but the schedule file has grown into a
> big inscrutable list with zero comments.
> I propose to categorize the tests and add some divider comments to the
> file, see attached.
+1 for concept, didn't review your divisions.
Something related I've been wondering about is whether we could
parallelize the isolation tests. A difficulty here is that the
slowest ones tend to also be timing-sensitive, such that running
them in parallel would increase the risk of failure. But we
could likely get at least some improvement.
regards, tom lane
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