Author: jdcryans
Date: Fri Oct 9 21:55:44 2009
New Revision: 823712
URL: http://svn.apache.org/viewvc?rev=823712&view=rev
Log:
HBASE-1899 Use scanner caching in shell count
Modified:
hadoop/hbase/trunk/CHANGES.txt
hadoop/hbase/trunk/bin/HBase.rb
Modified: hadoop/hbase/trunk/CHANGES.txt
URL:
http://svn.apache.org/viewvc/hadoop/hbase/trunk/CHANGES.txt?rev=823712&r1=823711&r2=823712&view=diff
==============================================================================
--- hadoop/hbase/trunk/CHANGES.txt (original)
+++ hadoop/hbase/trunk/CHANGES.txt Fri Oct 9 21:55:44 2009
@@ -104,6 +104,7 @@
HBASE-1506 [performance] Make splits faster
HBASE-1722 Add support for exporting HBase metrics via JMX
(Gary Helming via Stack)
+ HBASE-1899 Use scanner caching in shell count
OPTIMIZATIONS
Modified: hadoop/hbase/trunk/bin/HBase.rb
URL:
http://svn.apache.org/viewvc/hadoop/hbase/trunk/bin/HBase.rb?rev=823712&r1=823711&r2=823712&view=diff
==============================================================================
--- hadoop/hbase/trunk/bin/HBase.rb (original)
+++ hadoop/hbase/trunk/bin/HBase.rb Fri Oct 9 21:55:44 2009
@@ -545,6 +545,8 @@
now = Time.now
scan = Scan.new()
scan.setCacheBlocks(false)
+ # We can safely set scanner caching with the first key only filter
+ scan.setCaching(10)
scan.setFilter(FirstKeyOnlyFilter.new())
s = @table.getScanner(scan)
count = 0
