okumin commented on code in PR #4444:
URL: https://github.com/apache/hive/pull/4444#discussion_r1239647627
##########
ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java:
##########
@@ -5700,11 +5701,26 @@ public HiveMetaHook getHook(
}
};
- if (conf.getBoolVar(ConfVars.METASTORE_FASTPATH)) {
- return new SessionHiveMetaStoreClient(conf, hookLoader, allowEmbedded);
- } else {
- return RetryingMetaStoreClient.getProxy(conf, hookLoader,
metaCallTimeMap,
- SessionHiveMetaStoreClient.class.getName(), allowEmbedded);
+ return createMetaStoreClientFactory(conf)
+ .createMetaStoreClient(conf, hookLoader, allowEmbedded,
metaCallTimeMap);
+ }
+
+ private static HiveMetaStoreClientFactory
createMetaStoreClientFactory(HiveConf conf) throws
+ MetaException {
+ String metaStoreClientFactoryClassName = MetastoreConf.getVar(conf,
+ MetastoreConf.ConfVars.METASTORE_CLIENT_FACTORY_CLASS);
Review Comment:
I have two thoughts.
- I think we have to explicitly disable `hive.metastore.fastpath` when
configuring `metastore.client.class` since
[RetryingMetaStoreClient](https://github.com/apache/hive/blob/master/standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/RetryingMetaStoreClient.java)
is tightly coupled with `SessionHiveMetaStoreClient`
- It could be acceptable if we change [the description of
hive.metastore.fastpath](https://github.com/apache/hive/blob/rel/release-4.0.0-alpha-2/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java#L937-L940)
- I guess people in the world already depend on
`hive.metastore.client.factory.class` since we have failed to merge the patch
for 7 years... This is the biggest headache
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