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Posted to commits@hbase.apache.org by st...@apache.org on 2013/06/19 06:57:59 UTC
svn commit: r1494457 -
/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/KeyValueHeap.java
Author: stack
Date: Wed Jun 19 04:57:59 2013
New Revision: 1494457
URL: http://svn.apache.org/r1494457
Log:
HBASE-801 Avoid unnecessary lazy seek
Modified:
hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/KeyValueHeap.java
Modified: hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/KeyValueHeap.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/KeyValueHeap.java?rev=1494457&r1=1494456&r2=1494457&view=diff
==============================================================================
--- hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/KeyValueHeap.java (original)
+++ hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/KeyValueHeap.java Wed Jun 19 04:57:59 2013
@@ -294,7 +294,8 @@ public class KeyValueHeap extends NonLaz
}
boolean seekResult;
- if (isLazy) {
+ if (isLazy && heap.size() > 0) {
+ // If there is only one scanner left, we don't do lazy seek.
seekResult = scanner.requestSeek(seekKey, forward, useBloom);
} else {
seekResult = NonLazyKeyValueScanner.doRealSeek(