rdblue commented on a change in pull request #2325:
URL: https://github.com/apache/iceberg/pull/2325#discussion_r594631930
##########
File path: hive-metastore/src/main/java/org/apache/iceberg/hive/HiveCatalog.java
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@@ -547,4 +541,42 @@ public void setConf(Configuration conf) {
public Configuration getConf() {
return conf;
}
+
+ @VisibleForTesting
+ HiveClientPool clientPool() {
+ synchronized (CLIENT_POOL_CACHE) {
+ String metastoreUri = conf.get(HiveConf.ConfVars.METASTOREURIS.varname,
"");
+ Pair<HiveClientPool, Long> cacheEntry =
CLIENT_POOL_CACHE.getIfPresent(metastoreUri);
+ HiveClientPool clientPool = cacheEntry == null ? new
HiveClientPool(clientPoolSize, conf) : cacheEntry.first();
+ CLIENT_POOL_CACHE.put(metastoreUri, Pair.of(clientPool,
System.currentTimeMillis() + evictionInterval));
Review comment:
Why use a cache but not delegate thread safety to it? Shouldn't this use
`get` with an init function?
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