soumyakanti3578 commented on a change in pull request #1317:
URL: https://github.com/apache/hive/pull/1317#discussion_r461641840
##########
File path: common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
##########
@@ -487,6 +487,10 @@ private static void populateLlapDaemonVarsSet(Set<String>
llapDaemonVarsSetLocal
* in the underlying Hadoop configuration.
*/
public static enum ConfVars {
+ MSC_CACHE_ENABLED("hive.metastore.client.cache.enabled", true,
+ "This property enables a Caffeiene LoadingCache for Metastore
client"),
+ MSC_CACHE_MAX_SIZE("hive.metastore.client.cache.maxSize", 1_000_000_000,
Review comment:
I will also do similar change in `MetatoreConf.java`
##########
File path: common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
##########
@@ -487,6 +487,10 @@ private static void populateLlapDaemonVarsSet(Set<String>
llapDaemonVarsSetLocal
* in the underlying Hadoop configuration.
*/
public static enum ConfVars {
+ MSC_CACHE_ENABLED("hive.metastore.client.cache.enabled", true,
+ "This property enables a Caffeiene LoadingCache for Metastore
client"),
+ MSC_CACHE_MAX_SIZE("hive.metastore.client.cache.maxSize", 1_000_000_000,
Review comment:
1. Can I just add `10MB`, or do I have to add the actual number
`10000000` ?
2. Do I also add similar property in corresponding `hivemetastore-site.xml`?
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java
##########
@@ -1631,6 +1633,9 @@ public Table
apply(org.apache.hadoop.hive.metastore.api.Table table) {
}
} catch (Exception e) {
throw new HiveException(e);
+ } finally {
+ long diff = System.nanoTime() - t1;
+ LOG.debug(String.format(logString, "getTablesByType", diff, dbName, ""));
Review comment:
I will still add `(LOG.isDebugEnabled())` just to be extra careful
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