svn commit: r1393467 - /hbase/branches/0.89-fb/src/main/java/org/apache/hadoop/hbase/ipc/HBaseServer.java

[mb...@apache.org]

Author: mbautin
Date: Wed Oct  3 12:50:52 2012
New Revision: 1393467

URL: http://svn.apache.org/viewvc?rev=1393467&view=rev
Log:
[HBASE-6925] Change socket write size from 8K to 64K for HBaseServer

Author: kranganathan

Summary: Changing this seems to improve scan perf by 25% (37% with prefetching enabled).

Test Plan: Tested by running server with this limit. Will run unit tests as well.

Reviewers: kannan, aaiyer

Reviewed By: kannan

CC: hbase-eng@

Differential Revision: https://phabricator.fb.com/D590312

Modified:
    hbase/branches/0.89-fb/src/main/java/org/apache/hadoop/hbase/ipc/HBaseServer.java

Modified: hbase/branches/0.89-fb/src/main/java/org/apache/hadoop/hbase/ipc/HBaseServer.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.89-fb/src/main/java/org/apache/hadoop/hbase/ipc/HBaseServer.java?rev=1393467&r1=1393466&r2=1393467&view=diff
==============================================================================
--- hbase/branches/0.89-fb/src/main/java/org/apache/hadoop/hbase/ipc/HBaseServer.java (original)
+++ hbase/branches/0.89-fb/src/main/java/org/apache/hadoop/hbase/ipc/HBaseServer.java Wed Oct  3 12:50:52 2012
@@ -1492,7 +1492,7 @@ public abstract class HBaseServer {
    * done in chunks of this size. Most RPC requests and responses would be
    * be smaller.
    */
-  private static int NIO_BUFFER_LIMIT = 8*1024; //should not be more than 64KB.
+  private static int NIO_BUFFER_LIMIT = 64*1024; //should not be more than 64KB.
 
   /**
    * This is a wrapper around {@link WritableByteChannel#write(ByteBuffer)}.