On Wed, Aug 07, 2019 at 03:17:02PM +0300, Heikki Linnakangas wrote:
> On 07/08/2019 14:42, Thomas Munro wrote:
>> I think I'd put nowait and skip locked under a separate category "FOR
>> UPDATE" or "row locking" or something, but maybe that's just me... can
>> you call that stuff DML?
>
> Yeah, I
Alvaro Herrera writes:
> On 2019-Aug-07, Tom Lane wrote:
>> The problem in "timeouts" is that it has to use drearily long timeouts
>> to be sure that the behavior will be stable even on really slow machines
>> (think CLOBBER_CACHE_ALWAYS or valgrind --- it can take seconds for them
>> to reach a w
Heikki Linnakangas writes:
> The elephant in the room is the 'timeouts' test, which takes about 40
> seconds, out of a total runtime of 90 seconds. So we'd really want to
> run that in parallel with everything else. Or split 'timeouts' into
> multiple tests that could run in parallel. I don't t
On 2019-Aug-07, Tom Lane wrote:
> The problem in "timeouts" is that it has to use drearily long timeouts
> to be sure that the behavior will be stable even on really slow machines
> (think CLOBBER_CACHE_ALWAYS or valgrind --- it can take seconds for them
> to reach a waiting state that other machi
On 2019-Aug-07, Heikki Linnakangas wrote:
> The elephant in the room is the 'timeouts' test, which takes about 40
> seconds, out of a total runtime of 90 seconds. So we'd really want to run
> that in parallel with everything else. Or split 'timeouts' into multiple
> tests that could run in paralle
On 07/08/2019 18:52, Alvaro Herrera wrote:
On 2019-Aug-07, Tom Lane wrote:
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 incr
On 2019-Aug-07, Tom Lane wrote:
> 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
> co
Heikki Linnakangas 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 h
On 07/08/2019 14:42, Thomas Munro wrote:
On Wed, Aug 7, 2019 at 11:28 PM Heikki Linnakangas wrote:
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 concurre
On Wed, Aug 7, 2019 at 11:28 PM Heikki Linnakangas wrote:
> 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 g
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