Hello, I'm trying to create an autoscaling cluster with node_added_trigger and node_lost_trigger triggers to allow to grow and srink depending of load, but I've not found too much info about this options and then only I've archieve is a collection that creates a lot of réplicas on same node when it starts, and another collection that just keeps with the same replica number.
I've created three ZK nodes, and I've joined a Solr node to that ZK cluster. After that, I've created two collections with this simple commands: curl " http://127.0.0.1:8983/solr/admin/collections?action=CREATE&name=test&numShards=1&replicationFactor=1&maxShardsPerNode=1 " curl " http://127.0.0.1:8983/solr/admin/collections?action=CREATE&name=test2&numShards=1&replicationFactor=1&maxShardsPerNode=1 " I've added the two triggers using the example of the Solr manual: curl -X POST -H 'Content-Type: application/json' ' http://localhost:8983/solr/admin/autoscaling' --data-binary '{ "set-trigger": { "name": "node_added_trigger", "event": "nodeAdded", "waitFor": "5s", "preferredOperation": "ADDREPLICA" } }' curl -X POST -H 'Content-Type: application/json' ' http://localhost:8983/solr/admin/autoscaling' --data-binary '{ "set-trigger": { "name": "node_lost_trigger", "event": "nodeLost", "waitFor": "120s", "preferredOperation": "DELETENODE" }}' And after all this, I've added a node to test. When that node starts, the test collection starts to add replicas without control (it added even 12 replicas on the new node), and the test2 collection keeps on just one replica. If I delete the test collection and repeat the process of add the new node, then the test2 have the same behavior and creates a lot of replicas on new node. Delete trigger works just fine, and when the node is down for about 120s it is deleted from collection without problem. Is there any way to create just one replica when a node joins the cluster?. Thanks! -- _________________________________________ Daniel Carrasco Marín Ingeniería para la Innovación i2TIC, S.L. Tlf: +34 911 12 32 84 Ext: 223 www.i2tic.com _________________________________________
