Yes sort of, FLE is finished, then enough observer's messages reach the leader before participant's messages do. Whether its rare depends on the number of observers and participants. For example with very few participants and many observers your chance of hitting this are quite high.
Alex On Thu, Apr 5, 2018 at 11:44 AM, Andor Molnar <[email protected]> wrote: > Maybe I'm missing something here, but this looks like a rare edge case to > me. Participants must finish the leader election successfully and right > after enough followers should fail to send epoch to the leader, so > observers can take it over. > > Is that description accurate? > > Andor > > > On Thu, Apr 5, 2018 at 7:35 PM, Alexander Shraer <[email protected]> > wrote: > > > To clarify - in a deployment with observers this bug can potentially > cause > > data loss. A server could be elected leader based just on the support of > > observers, even if this servers data is stale wrt other followers. > > > > It is certainly a blocker, just not sure if for 3.4.11 or 3.4.12. > > > > > > Alex > > On Thu, Apr 5, 2018 at 10:29 AM Andor Molnar <[email protected]> wrote: > > > > > I don't think it's a blocker. > > > The jira and PR has been open since last December and 3.4.11 has > released > > > without it. > > > > > > Although this bug is also important to fix, I believe it's more > important > > > to release a fix for the regression we've found in 3.4.11 asap. > > > > > > Abe, any thoughts? > > > > > > Regards, > > > Andor > > > > > > > > > > > > On Thu, Apr 5, 2018 at 7:00 PM, Alexander Shraer <[email protected]> > > > wrote: > > > > > > > Sorry for coming in at the last moment. I'm not sure when the next > 3.4 > > > > release is scheduled, so just wanted to mention this bug, > > > > which I believe is a blocker for either this or next release: > > > > https://issues.apache.org/jira/browse/ZOOKEEPER-2959 > > > > > > > > Best, > > > > Alex > > > > > > > > On Thu, Apr 5, 2018 at 9:09 AM, Ted Yu <[email protected]> wrote: > > > > > > > > > Can the vote be closed ? > > > > > > > > > > It seems we have enough +1's > > > > > > > > > > Thanks > > > > > > > > > > > > > > >
