morrySnow commented on code in PR #49097:
URL: https://github.com/apache/doris/pull/49097#discussion_r2003286370


##########
fe/fe-core/src/main/java/org/apache/doris/datasource/ExternalMetaCacheMgr.java:
##########
@@ -131,6 +131,19 @@ public ExternalMetaCacheMgr() {
         paimonMetadataCacheMgr = new 
PaimonMetadataCacheMgr(commonRefreshExecutor);
     }
 
+    private ExecutorService newThreadPool(boolean isCheckpointCatalog, int 
numThread, int queueSize,
+            String poolName, int timeoutSeconds,
+            boolean needRegisterMetric) {
+        String executorNamePrefix = isCheckpointCatalog ? "Checkpoint" : 
"NotCheckpoint";
+        String realPoolName = executorNamePrefix + poolName;
+        if (isCheckpointCatalog) {

Review Comment:
   add comment to explain why use different ThreadPool



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