thanks for pointing me to Solr's Zookeeper servlet. I will look at the source to see how I can use to fulfill my needs.
Bill On Thu, Jan 3, 2013 at 6:43 PM, Mark Miller <markrmil...@gmail.com> wrote: > Technically, you want to make sure zookeeper reports the node as live and > active. > > You could use the same api that the UI uses for that - the > localhost:port/solr/zookeeper (I think?) servlet. > > If you can't reach it for a node, it's obviously down - if you can reach > it, parse the json and see if it notes the node as active? > > Not quite as clean as you'd like prob. Might be worth a JIRA issue to look > at further options. > > - Mark > > On Jan 3, 2013, at 5:54 PM, Bill Au <bill.w...@gmail.com> wrote: > > > Thanks, Mark. > > > > That does remove the node. And it seems to do so permanently. Even > when I > > restart Solr after unloading, it does not join the SolrCloud cluster. > And > > I can get it to re-join the cluster by creating the core. > > > > Anyone know if there is an API to determine the state of a node. When > AWS > > auto scaling add a new node, I need to make sure it has before active > > before I enable it in the load balancer. > > > > Bill > > > > > > > > > > On Thu, Jan 3, 2013 at 9:10 AM, Mark Miller <markrmil...@gmail.com> > wrote: > > > >> > >> http://wiki.apache.org/solr/CoreAdmin#UNLOAD > >> > >> - Mark > >> > >> On Jan 3, 2013, at 9:06 AM, Bill Au <bill.w...@gmail.com> wrote: > >> > >>> Mark, > >>> What do you mean by "unload them"? > >>> > >>> I am using an AWS load balancer with my auto scaling group in stead of > >>> using Solr's built-in load balancer. I am no sharding my index. I am > >>> using SolrCloud for replication only. I am doing local search on each > >>> instance and sending all updates to the shard leader directly because I > >>> want to minimize traffic between nodes during search and update > >>> > >>> Bill > >>> > >>> > >>> On Wed, Jan 2, 2013 at 6:47 PM, Mark Miller <markrmil...@gmail.com> > >> wrote: > >>> > >>>> > >>>> On Jan 2, 2013, at 5:51 PM, Bill Au <bill.w...@gmail.com> wrote: > >>>> > >>>>> Is anyone running Solr 4.0 SolrCloud with AWS auto scaling? > >>>>> > >>>>> My concern is that as AWS auto scaling add and remove instances to > >>>>> SolrCloud, the number of nodes in SolrCloud Zookeeper config will > grow > >>>>> indefinitely as removed instances will never be used again. AWS auto > >>>>> scaling will keep on adding new instances, and there is no way to > >> remove > >>>>> them from Zookeeper, right? > >>>> > >>>> You can unload them and that removes them. > >>>> > >>>>> What's the effect of have all these phantom > >>>>> nodes? > >>>> > >>>> Unless they are only replicas, they would need to be removed. > >>>> > >>>> Also, unless you are using elastic ips, > >>>> https://issues.apache.org/jira/browse/SOLR-4078 may be of interest. > >>>> > >>>> - Mark > >> > >> > >
