FANNG1 commented on PR #4548:
URL: https://github.com/apache/gravitino/pull/4548#issuecomment-2339489837

   > 1. 2.9M    
distribution/package/iceberg-rest-server/libs/guava-32.1.3-jre.jar
   > 2. 1.8M    
distribution/package/iceberg-rest-server/libs/log4j-core-2.22.0.jar
   
   Iceberg REST server could run on standalone mode, couldn't reuse the jars 
from Gravitino server, so the two jars seems necessary.
   
   > 3. 1.6M    
distribution/package/iceberg-rest-server/libs/hadoop-mapreduce-client-core-2.10.2.jar
   
   There are runtime dependences for the MapReduce client.
   ```
   Caused by: java.lang.NoClassDefFoundError: org/apache/hadoop/mapred/JobConf
        at org.apache.hadoop.hive.conf.HiveConf.initialize(HiveConf.java:4051)
        at org.apache.hadoop.hive.conf.HiveConf.<init>(HiveConf.java:4019)
        at org.apache.iceberg.hive.HiveClientPool.<init>(HiveClientPool.java:55)
        at 
org.apache.iceberg.hive.CachedClientPool.lambda$clientPool$0(CachedClientPool.java:96)
        at 
com.github.benmanes.caffeine.cache.BoundedLocalCache.lambda$doComputeIfAbsent$14(BoundedLocalCache.java:2406)
        at 
java.base/java.util.concurrent.ConcurrentHashMap.compute(ConcurrentHashMap.java:[191](https://github.com/apache/gravitino/actions/runs/10784541742/job/29908323252?pr=4863#step:8:192)6)
        at 
com.github.benmanes.caffeine.cache.BoundedLocalCache.doComputeIfAbsent(BoundedLocalCache.java:2404)
        at 
com.github.benmanes.caffeine.cache.BoundedLocalCache.computeIfAbsent(BoundedLocalCache.java:2387)
        at 
com.github.benmanes.caffeine.cache.LocalCache.computeIfAbsent(LocalCache.java:108)
        at 
com.github.benmanes.caffeine.cache.LocalManualCache.get(LocalManualCache.java:62)
        at 
org.apache.iceberg.hive.CachedClientPool.clientPool(CachedClientPool.java:96)
        at 
org.apache.iceberg.hive.CachedClientPool.run(CachedClientPool.java:122)
        at 
org.apache.iceberg.hive.HiveCatalog.loadNamespaceMetadata(HiveCatalog.java:443)
   ```


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