| From: | Peter Geoghegan <pg(at)bowt(dot)ie> |
|---|---|
| To: | Kyle Kingsbury <aphyr(at)jepsen(dot)io> |
| Cc: | PostgreSQL mailing lists <pgsql-bugs(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Potential G2-item cycles under serializable isolation |
| Date: | 2020-06-08 02:59:09 |
| Message-ID: | CAH2-Wzn=YB0g6qN=HSWgXFy6ro3rm5LCV0AdPgSFGsP_Ersi7Q@mail.gmail.com |
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| Lists: | pgsql-bugs |
On Sun, Jun 7, 2020 at 7:54 PM Peter Geoghegan <pg(at)bowt(dot)ie> wrote:
> In the example RR log that I posted the other day, the update + abort
> transaction was here (jepsen process 39/xid 1680826):
>
> [rr 316505 584863]
> 1591388175.991-316505-7/407-1680826-SELECT-5edaa7f9.4d459-jepsen
> process 39 LOG: execute <unnamed>: select (val) from txn0 where id =
> $1
> 1591388175.991-316505-7/407-1680826-SELECT-5edaa7f9.4d459-jepsen
> process 39 DETAIL: parameters: $1 = '1470'
> [rr 316505 584881]
> 1591388175.992-316505-7/0-1680826-ROLLBACK-5edaa7f9.4d459-jepsen
> process 39 LOG: execute <unnamed>: ROLLBACK
I mean in the case of the G2-Item that Kyle chose to focus on
yesterday specifically -- G2-item #0 from the log_rr_recording.log
execution.
--
Peter Geoghegan
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