psalagnac commented on code in PR #3344:
URL: https://github.com/apache/solr/pull/3344#discussion_r2087212237
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solr/core/src/java/org/apache/solr/core/CoreContainer.java:
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@@ -449,6 +456,10 @@ public CoreContainer(NodeConfig config, CoresLocator
locator, boolean asyncSolrC
this.allowListUrlChecker = AllowListUrlChecker.create(config);
this.indexSearcherExecutor = SolrIndexSearcher.initCollectorExecutor(cfg);
+
+ this.indexFingerprintExecutor =
+ ExecutorUtil.newMDCAwareFixedThreadPool(
Review Comment:
Can't we have lazily initialized threads instead for memory saving? My
understanding is they will no be used most of the time.
This can be achieved with
```
ExecutorUtil.newMDCAwareCachedThreadPool(
EXECUTOR_MAX_CPU_THREADS, Integer.MAX_VALUE, ...
```
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