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From e..@apache.org
Subject svn commit: r1495029 - /accumulo/site/trunk/content/notable_features.mdtext
Date Thu, 20 Jun 2013 14:42:58 GMT
Author: ecn
Date: Thu Jun 20 14:42:58 2013
New Revision: 1495029

URL: http://svn.apache.org/r1495029
Log:
More 1.5 updates

Modified:
    accumulo/site/trunk/content/notable_features.mdtext

Modified: accumulo/site/trunk/content/notable_features.mdtext
URL: http://svn.apache.org/viewvc/accumulo/site/trunk/content/notable_features.mdtext?rev=1495029&r1=1495028&r2=1495029&view=diff
==============================================================================
--- accumulo/site/trunk/content/notable_features.mdtext (original)
+++ accumulo/site/trunk/content/notable_features.mdtext Thu Jun 20 14:42:58 2013
@@ -74,11 +74,11 @@ and Zookeeper (see [FATE](#fate)).
 
 ### Write ahead log
 
-Tablet servers send mutations to loggers, not HDFS.  Each mutation is written
-to multiple loggers, before being committed.  In normal configurations, loggers
+In version 1.4, tablet servers send mutations to loggers which write to the local file system,
not HDFS.  
+Each mutation is written to multiple loggers, before being committed.  In normal configurations,
loggers
 are run on every server that runs a tablet server.  When a log is needed for
 recovery, it is copied into HDFS.  For efficient recovery, the log is sorted as
-it is copied.
+it is copied.  In version 1.5, write ahead logs are written to HDFS, and loggers are no longer
needed.
 
 ### Logical time
 
@@ -378,7 +378,8 @@ used to accommodate new data patterns in
 ### Tablet Merging (1.4)
 
 Tablet merging is a new feature. Merging of tablets can be requested in the
-shell; Accumulo does not merge tablets automatically.
+shell; Accumulo does not merge tablets automatically. In 1.5, the METADATA tablets 
+can be merged.
 
 ### Table Cloning (1.4)
 
@@ -406,4 +407,3 @@ beginning and end of the range are split
 [2]: /1.4/user_manual/Security.html
 [4]: /1.4/user_manual/Writing_Accumulo_Clients.html
 [6]: /1.4/user_manual/High_Speed_Ingest.html#Bulk_Ingest
-



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