FWIW, +1 to Alex's proposal, and I'll try to contribute around CASSANDRA-16262.
On Wed, Feb 17, 2021 at 4:20 AM Benjamin Lerer <benjamin.le...@datastax.com> wrote: > Based on the discussions I had with Alex, it is clear that Harry has been a > really valuable tool to find some issues that we would have otherwise > missed. > Part of the problem with CASSANDRA-16262 was in my opinion that we lacked > experience with the tool itself and did not know where to start. > Alex nicely proposed to take over the ownership of the ticket. Harry > apparently has nearly all the functionality required to accomplish this. > That sounds to me like a great proposal. :-) > Thanks for that Alex > > On Wed, Feb 17, 2021 at 10:39 AM Oleksandr Petrov < > oleksandr.pet...@gmail.com> wrote: > > > In the absence of a fuzz testing tool I would probably support excluding > > this ticket from GA, but speaking from recent experience it feels to me > > that fixing bugs is blocking us from further fuzz testing more than fuzz > > testing is blocking us from releases. In other words, you run a fuzz test > > for a relatively short amount of time, and then spend several days to fix > > and merge the issue that was triggered to unblock further testing. > > > > > > In a relatively short amount of time, we've been able to hit at least > these > > four issues: > > > > - Group By in-jvm paging issue: > > https://issues.apache.org/jira/browse/CASSANDRA-16427 > > - Group By breaks range tombstone closer: > > https://issues.apache.org/jira/browse/CASSANDRA-16431 > > - Reverse iteration + paging: > > https://issues.apache.org/jira/browse/CASSANDRA-16435 > > - NPE in Slice#make on RT + partition deletion reconciliation: > > https://issues.apache.org/jira/browse/CASSANDRA-16453 > > > > I think we would've hit the first one without a fuzz testing tool, since > it > > was a relatively obvious one, but looking at the output from Harry it was > > immediately clear what's going on, so I still consider its output useful. > > There was one more issue that was discovered independently, but was also > > caught with a fuzz test tool later. Its prior discovery with a test tool > > was blocked by the fix of an issue that was occurring more frequently. > > > > Maybe it's ok to release a release candidate, but we probably should > still > > wait a bit to cut a final release. WDYT? > > > > > > > > > > On Mon, Feb 1, 2021 at 1:33 PM Benjamin Lerer < > benjamin.le...@datastax.com > > > > > wrote: > > > > > It seems to me that CASSANDRA-16180 > > > <https://issues.apache.org/jira/browse/CASSANDRA-16180>, > CASSANDRA-16262 > > > <https://issues.apache.org/jira/browse/CASSANDRA-16262> and > > > CASSANDRA-16181 > > > <https://issues.apache.org/jira/browse/CASSANDRA-16181> already highly > > > improve the test coverage on distributed read and write paths. > > > CASSANDRA-16262 sounds like a nice to have but should probably not > block > > > 4.0 GA > > > I am +1 to push it out of 4.0-rc. > > > > > > Thanks to you and Andres for all the work you contributed on > > > CASSANDRA-15579 > > > <https://issues.apache.org/jira/browse/CASSANDRA-15579>. It is some > > great > > > work :-) > > > > > > On Thu, Jan 28, 2021 at 6:45 PM Caleb Rackliffe < > > calebrackli...@gmail.com> > > > wrote: > > > > > > > Hey everyone, > > > > > > > > I wanted to have a quick conversation about CASSANDRA-16262 > > > > <https://issues.apache.org/jira/browse/CASSANDRA-16262>. As I > > mentioned > > > in > > > > the Jira > > > > < > > > > > > > > > > https://issues.apache.org/jira/browse/CASSANDRA-16262?focusedCommentId=17273891&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-17273891 > > > > > > > > > ... > > > > > > > > *"I was chatting w/ Andres de la Peña > > > > < > https://issues.apache.org/jira/secure/ViewProfile.jspa?name=adelapena > > > > > > > the > > > > other day, and it feels like there's an argument for allowing 4.0 to > > > > release without this work being complete. We've certainly come a long > > way > > > > w/ CASSANDRA-15579 > > > > <https://issues.apache.org/jira/browse/CASSANDRA-15579> already, > > filling > > > > in > > > > a number of gaps that existed."* > > > > > > > > Any strong opinions out there? > > > > > > > > > > > > > -- > > alex p > > >
