Index: hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java =================================================================== --- hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java (revision 1400668) +++ hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java (working copy) @@ -528,6 +528,16 @@ public static int DEFAULT_HBASE_CLIENT_PREFETCH_LIMIT = 10; /** + * Parameter name to set the default scanner caching for all clients. + */ + public static String HBASE_CLIENT_SCANNER_CACHING = "hbase.client.scanner.caching"; + + /** + * Default value for {@link #HBASE_CLIENT_SCANNER_CACHING} + */ + public static int DEFAULT_HBASE_CLIENT_SCANNER_CACHING = 10; + + /** * Parameter name for number of rows that will be fetched when calling next on * a scanner if it is not served from memory. Higher caching values will * enable faster scanners but will eat up more memory and some calls of next Index: hbase-server/src/main/java/org/apache/hadoop/hbase/client/ClientScanner.java =================================================================== --- hbase-server/src/main/java/org/apache/hadoop/hbase/client/ClientScanner.java (revision 1400668) +++ hbase-server/src/main/java/org/apache/hadoop/hbase/client/ClientScanner.java (working copy) @@ -120,7 +120,9 @@ if (this.scan.getCaching() > 0) { this.caching = this.scan.getCaching(); } else { - this.caching = conf.getInt("hbase.client.scanner.caching", 1); + this.caching = conf.getInt( + HConstants.HBASE_CLIENT_SCANNER_CACHING, + HConstants.DEFAULT_HBASE_CLIENT_SCANNER_CACHING); } // initialize the scanner Index: hbase-server/src/main/java/org/apache/hadoop/hbase/client/HTable.java =================================================================== --- hbase-server/src/main/java/org/apache/hadoop/hbase/client/HTable.java (revision 1400668) +++ hbase-server/src/main/java/org/apache/hadoop/hbase/client/HTable.java (working copy) @@ -264,7 +264,8 @@ this.autoFlush = true; this.currentWriteBufferSize = 0; this.scannerCaching = this.configuration.getInt( - "hbase.client.scanner.caching", 1); + HConstants.HBASE_CLIENT_SCANNER_CACHING, + HConstants.DEFAULT_HBASE_CLIENT_SCANNER_CACHING); this.maxKeyValueSize = this.configuration.getInt( "hbase.client.keyvalue.maxsize", -1); Index: hbase-server/src/main/resources/hbase-default.xml =================================================================== --- hbase-server/src/main/resources/hbase-default.xml (revision 1400668) +++ hbase-server/src/main/resources/hbase-default.xml (working copy) @@ -133,7 +133,7 @@ hbase.client.scanner.caching - 1 + 10 Number of rows that will be fetched when calling next on a scanner if it is not served from (local, client) memory. Higher caching values will enable faster scanners but will eat up more memory