SOLR-17084: SolrJ: shorten error message; don't serialize all "zombie…

…s" (#2097) LBSolrClient (used by CloudSolrClient) now returns the count of core tracked as not live AKA zombies instead of the full list of cores. This list is potentially VERY long which was causing high CPU and memory usage.
apache · Nov 30, 2023 · 0b95a6e · 0b95a6e
1 parent c1a3fd3
commit 0b95a6e
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diff --git a/solr/CHANGES.txt b/solr/CHANGES.txt
@@ -110,7 +110,8 @@ Improvements
 
 Optimizations
 ---------------------
-(No changes)
+* SOLR-17084: LBSolrClient (used by CloudSolrClient) now returns the count of core tracked as not live AKA zombies
+  instead of the full list of cores. This list is potentially VERY long which was causing high CPU and memory usage.
 
 Bug Fixes
 ---------------------

diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/impl/LBSolrClient.java b/solr/solrj/src/java/org/apache/solr/client/solrj/impl/LBSolrClient.java
@@ -358,7 +358,10 @@ public Rsp request(Req req) throws SolrServerException, IOException {
       }
     }
     throw new SolrServerException(
-        "No live SolrServers available to handle this request:" + zombieServers.keySet(), ex);
+        "No live SolrServers available to handle this request. (Tracking "
+            + zombieServers.size()
+            + " not live)",
+        ex);
   }
 
   /**