Hi,
The readonlymode feature was added 8 years ago but is still marked as
experimental and requires setting a JVM system property to enable it.
What steps are required to promote this feature to "fully supported" status
and allow enablement via the "readonlymode.enabled" setting in zoo.cfg?
th
This is really useful discussion, I really appreciate it! I'm not too
worried about the restarts that I saw and they are totally unrelated to the
upgrade. The upgrade is only relevant insofar as I was seeking confidence
that I would not see the issue once upgraded to 3.5.5 but I'm inclined to
belie
I think it is possible to perform a rolling upgrade from 3.4, all of my
customers migrated one year ago and without any issue (reported to my team).
Norbert, where did you find that information?
btw I would like to setup tests about backward compatibility,
server-to-server and client-to-server
E
I tried only from 3.4.14 and there it was possible. I recommend first to
upgrade to the latest 3.4 version and then to 3.5
> Am 02.10.2019 um 21:40 schrieb Jerry Hebert :
>
> Hi Jörn,
>
> No, this was a very intermittent issue. We've been running this ensemble
> for about four years now and ha
I can confirm that a rolling update from Zk 3.4 to ZK 3.5 is possible if and
only if a ZK ensemble is used. standalone updates may introduce difficulties.
Of course I cannot tell for all possible setups, but for a ZK ensemble with
multiple Solr instances it is possible.
> Am 03.10.2019 um 14:55
On 10/3/2019 2:45 AM, Norbert Kalmar wrote:
As for running a mixed version of 3.5 and 3.4 quorum - I'm afraid it will
not work. From 3.5 we have a check on PROTOCOL_VERSION. 3.4 did not have
this protocol version, so when the nodes try to communicate it will throw
an exception. Plus, it is not a
Hi,
Here are the issues we encountered so far upgrading to 3.5.5 from 3.4:
https://cwiki.apache.org/confluence/display/ZOOKEEPER/Upgrade+FAQ
As Enrico mentioned, nothing similar so far. One is no snapshot taken yet
the other is 4 letter words needs to be whitelisted.
As for running a mixed versi
