> and store this in the Solr config. I don't think it's ever possible.
On Sat, Sep 28, 2019 at 2:02 PM Jörn Franke <jornfra...@gmail.com> wrote: > Some food for thoughts: if zookeeper can dynamically reconfigure then Solr > must be able to do so as well. Let’s assume you start with an ensemble > server1,server2,server3 and store this in the Solr config. During lifetime > of the Solr service it is changed to server4,server5,server6. Now Solr > service is restarted and it cannot connect anymore to zookeeper as > server1,server2,server3 do not exist anymore. > I propose to have a dynamic config file / Solr service to record those > changes in a local file that is available after restart . > > > Am 27.09.2019 um 19:33 schrieb Shawn Heisey <apa...@elyograg.org>: > > > > On 9/27/2019 10:39 AM, LEE Ween Jiann wrote: > >> FYI, solr-zookeeper-headless resolves to 3 different IPs. And > getZkRawResponse() method only connects to 1 of the 3. > >> My suggestion is the following: > >> - List<String> zookeepers = > Arrays.asList(zkHost.split("/")[0].split(",")); > >> + List<String> zookeeperHosts = > Arrays.asList(zkHost.split("/")[0].split(",")); > >> + final List<String> zookeepers = new ArrayList<>(); > >> + for (String host : zookeeperHosts) { > >> + // resolve host and add all IP:port to zookeepers array > >> + } > >> Let me know your thoughts. > > > > I think that Solr should query the ZK client for information about what > server hosts are active, rather than relying on the connection string, > unless that information cannot be obtained by the client. > > > > That will be particularly important now that Solr contains ZK client > version 3.5.x. When paired with servers also running 3.5 or later, it is > capable of dynamic reconfiguration. It is entirely possible that the > active server list will be very different than the connection string. > > > > According to the ZK team, the /zookeeper/config znode has this > information. I do not know if that is new in version 3.5 or if it also > exists in 3.4. > > > > Thanks, > > Shawn > -- Sincerely yours Mikhail Khludnev