[solr] branch branch_9x updated: Avoid unnecessary map creation while serializing DocCollection

[noble]

This is an automated email from the ASF dual-hosted git repository.

noble pushed a commit to branch branch_9x
in repository https://gitbox.apache.org/repos/asf/solr.git


The following commit(s) were added to refs/heads/branch_9x by this push:
     new df091fc5c98 Avoid unnecessary map creation while serializing 
DocCollection
df091fc5c98 is described below

commit df091fc5c98848e542af01623c071f486f4c7f4c
Author: Noble Paul <noble.p...@gmail.com>
AuthorDate: Wed Apr 12 22:07:03 2023 +1000

    Avoid unnecessary map creation while serializing DocCollection
---
 .../java/org/apache/solr/common/cloud/DocCollection.java    | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git 
a/solr/solrj/src/java/org/apache/solr/common/cloud/DocCollection.java 
b/solr/solrj/src/java/org/apache/solr/common/cloud/DocCollection.java
index 55068c70aac..3806a1a008b 100644
--- a/solr/solrj/src/java/org/apache/solr/common/cloud/DocCollection.java
+++ b/solr/solrj/src/java/org/apache/solr/common/cloud/DocCollection.java
@@ -24,7 +24,6 @@ import java.util.Collection;
 import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.Iterator;
-import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
@@ -32,8 +31,8 @@ import java.util.Set;
 import java.util.function.BiConsumer;
 import java.util.function.BiPredicate;
 import java.util.function.Supplier;
+import org.apache.solr.common.MapWriter;
 import org.apache.solr.common.cloud.Replica.ReplicaStateProps;
-import org.apache.solr.common.util.CollectionUtil;
 import org.noggit.JSONWriter;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -328,10 +327,12 @@ public class DocCollection extends ZkNodeProps implements 
Iterable<Slice> {
 
   @Override
   public void write(JSONWriter jsonWriter) {
-    LinkedHashMap<String, Object> all = 
CollectionUtil.newLinkedHashMap(slices.size() + 1);
-    all.putAll(propMap);
-    all.put(CollectionStateProps.SHARDS, slices);
-    jsonWriter.write(all);
+    jsonWriter.write(
+        (MapWriter)
+            ew -> {
+              propMap.forEach(ew.getBiConsumer());
+              ew.put(CollectionStateProps.SHARDS, slices);
+            });
   }
 
   public Replica getReplica(String coreNodeName) {