Author: kturner
Date: Wed Apr 9 16:32:49 2014
New Revision: 1586018
URL: http://svn.apache.org/r1586018
Log:
ACCUMULO-2396 add intro to release notes
Modified:
accumulo/site/trunk/content/release_notes/1.6.0.mdtext
Modified: accumulo/site/trunk/content/release_notes/1.6.0.mdtext
URL:
http://svn.apache.org/viewvc/accumulo/site/trunk/content/release_notes/1.6.0.mdtext?rev=1586018&r1=1586017&r2=1586018&view=diff
==============================================================================
--- accumulo/site/trunk/content/release_notes/1.6.0.mdtext (original)
+++ accumulo/site/trunk/content/release_notes/1.6.0.mdtext Wed Apr 9 16:32:49
2014
@@ -18,11 +18,11 @@ Notice: Licensed to the Apache Softwa
**DRAFT 1.6.0 RELEASE NOTES**
-Apache Accumulo 1.6.0
+Apache Accumulo 1.6.0 adds some major new features and fixes many bugs. This
release contains changes from 609 issues contributed by 36 contributors and
committers.
-This document is a work in progress.
+TODO paragraph on API changes
-TODO recommend hadoop 2
+Accumulo 1.6.0 runs on Hadoop 1, however Hadoop 2 with HA namenode is
recommended for production systems. In addition to HA, Hadoop 2 also offers
better data durability guarantees, in the case when nodes lose power, than
Hadoop 1.
## Notable Improvements
@@ -34,7 +34,7 @@ To overcome this bottleneck, support for
### Table namespaces
-Administering an Accumulo instance with many tables is cumbersome. To ease
this, [ACCUMULO-802][ACCUMULO-802] introduced table namespaces which allow
tables to be grouped into logical collections. This allows configuration and
permission changes to made to a namespace, which will apply to all of its
tables. Example use cases are ... TODO
+Administering an Accumulo instance with many tables is cumbersome. To ease
this, [ACCUMULO-802][ACCUMULO-802] introduced table namespaces which allow
tables to be grouped into logical collections. This allows configuration and
permission changes to made to a namespace, which will apply to all of its
tables.
### Conditional Mutations
@@ -87,6 +87,7 @@ ticket that contains numerous fixes to e
### Other notable changes
* [ACCUMULO-842][ACCUMULO-842] Added FATE administration to shell
+ * [ACCUMULO-1442][ACCUMULO-1442] JLine2 support was added to the shell. This
adds features like history search and other nice things GNU Readline has.
* [ACCUMULO-1481][ACCUMULO-1481] The root tablet is now the root table.
* [ACCUMULO-1566][ACCUMULO-1566] When read-ahead starts in the scanner is now
configurable.
* [ACCUMULO-1667][ACCUMULO-1667] Added a synchronous version of online and
offline table
@@ -98,14 +99,10 @@ ticket that contains numerous fixes to e
## Notable Bug Fixes
-TODO kturner looked at bugs w/ fix version of 1.6.0 and a non-empty affects
version and selected ones he thought were relevant to users.... need others
devs to do this
-TODO some bugs may be unintelligible to end users... either improve the issue
descritpion or remove from list
-
* [ACCUMULO-324][ACCUMULO-324] System/site constraints and iterators should
NOT affect the METADATA table
* [ACCUMULO-335][ACCUMULO-335] Can't batchscan over the !METADATA table
* [ACCUMULO-391][ACCUMULO-391] Added support for reading from multiple tables
in a Map Reduce job.
* [ACCUMULO-1018][ACCUMULO-1018] Client does not give informative message
when user can not read table
- * [ACCUMULO-1442][ACCUMULO-1442] JLine2 support was added to the shell. This
adds features like history search and other nice things GNU Readline has.
* [ACCUMULO-1492][ACCUMULO-1492] bin/accumulo should follow symbolic links
* [ACCUMULO-1572][ACCUMULO-1572] Single node zookeeper failure kills
connected Accumulo servers
* [ACCUMULO-1661][ACCUMULO-1661] AccumuloInputFormat cannot fetch empty
column family
@@ -113,7 +110,6 @@ TODO some bugs may be unintelligible to
* [ACCUMULO-1698][ACCUMULO-1698] stop-here doesn't consider system hostname
* [ACCUMULO-1901][ACCUMULO-1901] start-here.sh starts only one GC process
even if more are defined
* [ACCUMULO-1920][ACCUMULO-1920] Monitor was not seeing zookeeper updates for
tables
- * [ACCUMULO-1921][ACCUMULO-1921] NPE in tablet assignment
* [ACCUMULO-1994][ACCUMULO-1994] Proxy does not handle Key timestamps
correctly
* [ACCUMULO-2037][ACCUMULO-2037] Tablets are now assigned to the last
location
* [ACCUMULO-2174][ACCUMULO-2174] VFS Classloader has potential to collide
localized resources
@@ -148,8 +144,6 @@ For more information, see [ACCUMULO-1950
* [ACCUMULO-2008][ACCUMULO-2008] Block cache reserves section for in-memory
blocks
* [ACCUMULO-2059][ACCUMULO-2059] Namespace constraints easily get clobbered
by table constraints
-TODO look for other known issues
-
## Documentation updates
* [ACCUMULO-1218][ACCUMULO-1218] document the recovery from a failed zookeeper
@@ -228,7 +222,6 @@ and, in HDFS High-Availability instances
[ACCUMULO-1901]: https://issues.apache.org/jira/browse/ACCUMULO-1901
"start-here.sh starts only one GC process even if more are defined"
[ACCUMULO-1905-comment]:
https://issues.apache.org/jira/browse/ACCUMULO-1905?focusedCommentId=13915208&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13915208
[ACCUMULO-1920]: https://issues.apache.org/jira/browse/ACCUMULO-1920 "monitor
not seeing zookeeper updates"
-[ACCUMULO-1921]: https://issues.apache.org/jira/browse/ACCUMULO-1921 "NPE in
tablet assignment"
[ACCUMULO-1933]: https://issues.apache.org/jira/browse/ACCUMULO-1933 "Make
unit on memory parameters case-insensitive"
[ACCUMULO-1946]: https://issues.apache.org/jira/browse/ACCUMULO-1946 "Include
dfs.datanode.synconclose in hdfs configuration documentation"
[ACCUMULO-1950]: https://issues.apache.org/jira/browse/ACCUMULO-1950 "Reduce
the number of calls to hsync"
