sam-an-cloudera commented on a change in pull request #662: Hive-21787:
Metastore table cache enhancement
URL: https://github.com/apache/hive/pull/662#discussion_r293636457
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File path:
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/cache/SharedCache.java
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@@ -1480,47 +1688,52 @@ public boolean refreshTablesInCache(String catName,
String dbName, List<Table> t
}
}
- public ColumnStatistics getTableColStatsFromCache(String catName, String
dbName,
- String tblName, List<String> colNames, String validWriteIds, boolean
areTxnStatsSupported) throws MetaException {
+ public ColumnStatistics getTableColStatsFromCache(String catName, String
dbName, String tblName,
+ List<String> colNames, String validWriteIds, boolean
areTxnStatsSupported) throws MetaException {
try {
cacheLock.readLock().lock();
- TableWrapper tblWrapper =
tableCache.get(CacheUtils.buildTableKey(catName, dbName, tblName));
+ tableCacheRWLock.readLock().lock();
Review comment:
please see my comments below.
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