"Knut Anders Hatlen (JIRA)" <[email protected]> writes: > [ > https://issues.apache.org/jira/browse/DERBY-5067?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel > ] > > Knut Anders Hatlen closed DERBY-5067.
Jeg får disse rapportene, men det er tungt å lese dem (rar linjebrekking, ingen grafikk).. hva gjør du får å raskt se hva som er trenden? Dag > ------------------------------------- > > > The results seem to have stabilized at the same level as before the > enabling of istat. Closing the issue. > >> Performance regression tests should populate tables before creating indexes >> --------------------------------------------------------------------------- >> >> Key: DERBY-5067 >> URL: https://issues.apache.org/jira/browse/DERBY-5067 >> Project: Derby >> Issue Type: Improvement >> Components: Test >> Affects Versions: 10.8.0.0 >> Reporter: Knut Anders Hatlen >> Assignee: Knut Anders Hatlen >> Fix For: 10.8.0.0 >> >> Attachments: pk.diff, select.png >> >> >> I've noticed that the results from some of the performance regression tests >> have become more unstable the last two weeks. See for example here: >> http://home.online.no/~olmsan/derby/perf/select_30d.html >> I suspect it's because the automatic index statistics thread is running (the >> instability started at about the same time as it was enabled). We should >> make the test clients create indexes after the tables have been populated so >> that the statistics will be up to date and no work in the background is >> needed.
