Github user manishgupta88 commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2244#discussion_r184915943
--- Diff:
hadoop/src/main/java/org/apache/carbondata/hadoop/CacheClient.java ---
@@ -16,21 +16,40 @@
*/
package org.apache.carbondata.hadoop;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.carbondata.common.logging.LogService;
+import org.apache.carbondata.common.logging.LogServiceFactory;
import org.apache.carbondata.core.cache.Cache;
import org.apache.carbondata.core.cache.CacheProvider;
import org.apache.carbondata.core.cache.CacheType;
+import org.apache.carbondata.core.datastore.SegmentTaskIndexStore;
import org.apache.carbondata.core.datastore.TableSegmentUniqueIdentifier;
+import org.apache.carbondata.core.datastore.block.SegmentProperties;
import org.apache.carbondata.core.datastore.block.SegmentTaskIndexWrapper;
+import org.apache.carbondata.core.metadata.AbsoluteTableIdentifier;
+import
org.apache.carbondata.core.metadata.schema.table.column.ColumnSchema;
/**
* CacheClient : Holds all the Cache access clients for Btree, Dictionary
*/
public class CacheClient {
+ private static final LogService LOGGER =
+ LogServiceFactory.getLogService(CacheClient.class.getName());
+
+ private final Object lock = new Object();
+
// segment access client for driver LRU cache
private CacheAccessClient<TableSegmentUniqueIdentifier,
SegmentTaskIndexWrapper>
segmentAccessClient;
+ private static Map<SegmentTaskIndexStore.SegmentPropertiesWrapper,
SegmentProperties>
+ segmentProperties =
+ new ConcurrentHashMap<>();
--- End diff --
Move this to above line
---
