Hi there! We've been seen some odd error messages in Solr 9.4 during replica and collection creation:
Received unsolicited snitch tag headpUsage from node NodeImpl(solr-node-1) Received unsolicited snitch tag sysLoadAvg from node NodeImpl(solr-node-1) Received unsolicited snitch tag freedisk from node NodeImpl(solr-node-1) Received unsolicited snitch tag totaldisk from node NodeImpl(solr-node-1) After digging into it, our cluster, configured with AffinityplacementFactor [1] to distribute replicas/shards equally, encounters this problem. Although this factory doesn't require checking certain node metrics [2] the code sets their corresponding findings as null at [3] leading to error messages above [4]. To me, ignoring these error messages might be a temporary solution at the moment. However since Affinity placement doesn't require those parameters from metrics, we might follow a similar condition as in [5], what's your take on this? Thanks, Hakan 1. https://solr.apache.org/guide/solr/latest/configuration-guide/replica-placement-plugins.html#affinityplacementfactory 2. https://github.com/apache/solr/blob/d16b791d295096e6b075cb3dbb3d9782f2be8913/solr/solrj-zookeeper/src/java/org/apache/solr/client/solrj/impl/NodeValueFetcher.java#L47 3. https://github.com/apache/solr/blob/d16b791d295096e6b075cb3dbb3d9782f2be8913/solr/solrj-zookeeper/src/java/org/apache/solr/client/solrj/impl/NodeValueFetcher.java#L145 4. https://github.com/apache/solr/blob/d16b791d295096e6b075cb3dbb3d9782f2be8913/solr/core/src/java/org/apache/solr/cluster/placement/impl/AttributeFetcherImpl.java#L158 5. https://github.com/apache/solr/blob/d16b791d295096e6b075cb3dbb3d9782f2be8913/solr/solrj-zookeeper/src/java/org/apache/solr/client/solrj/impl/NodeValueFetcher.java#L129C17-L129C17
