But still happening for me, is there any config on zookeeper side to make this fix to work? Ram On Tue, Jan 21, 2020 at 2:12 PM Michael Han wrote: > Could be ZOOKEEPER-1506, though this should be fixed already in 3.4.14. > > On Tue, Jan 21, 2020 at 2:01 PM rammohan ganapavarapu < > rammohanganap@gmail.com> wrote: > > > Hi Enrico, > > > > I see same with both 3.4.5 and 3.4.14 > > > > Ram > > > > On Tue, Jan 21, 2020 at 1:53 PM Enrico Olivelli > > wrote: > > > > > Hi, > > > Which version of ZK are you using? > > > Enrico > > > > > > > > > Il mar 21 gen 2020, 22:51 rammohan ganapavarapu < > rammohanganap@gmail.com > > > > > > ha scritto: > > > > > > > Hi, > > > > > > > > Does zookeeper cache the host IP? if so how long does it cache? I > have > > a > > > > zk cluster in autoscaling groups and when a new node comes up, other > > > nodes > > > > still resolving to old IP. Is there any setting to invalidate dns > cache > > > for > > > > zookeeper? or is it jvm dns cache? until other nodes resolves to new > > IP, > > > > this node not able to join the cluster. > > > > > > > > Thanks, > > > > Ram > > > > > > > > > >