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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Trivial Update of "Hbase" by stack
Date Sat, 19 Jan 2008 17:31:07 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The following page has been changed by stack:
http://wiki.apache.org/hadoop/Hbase

The comment on the change is:
Made page layout mirror that of hadoops (Suggested by Edward Yoon).  Cleanup.

------------------------------------------------------------------------------
  
  = Bigtable-like structured storage for Hadoop HDFS =
  
- == Table Of Contents ==
- 
+ [[Anchor(links)]]
+ == Project Links ==
   * [#news News]
   * [#background Background]
-  * [#rationale Rationale]
-  * [#goals Goals]
-   * [#nongoals Non-Goals]
-  * [#links Project Links]
-  * [#contributors Initial Contributors]
-  * [#comments Comments]
- 
+  * [wiki:Hbase/HbaseArchitecture  Hbase Architecture]
+  * [http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Nightly/javadoc/org/apache/hadoop/hbase/package-summary.html#package_description
 Getting Started] description hosted inside the HBase javadoc package description or see how
to checkout, build and run hbase in about [wiki:Hbase/10Minutes 10 Minutes].
+  * [wiki:Hbase/FAQ FAQ]
+  * [wiki:Hbase/UsingBloomFilters Using Bloom Filters]
+  * [http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Nightly/javadoc/org/apache/hadoop/hbase/package-summary.html
HBase API Docs] built as part of Hadoop nightlies
+  * Hbase and Performance
+   * [wiki:Hbase/PerformanceEvaluation Tools for evaluating HBase performance and scalability]
+   * [:Hbase/HbaseRTDS]: Discuss the evaluation of Hbase
+  * [http://lucene.apache.org/hadoop/mailing_lists.html#Users Mailing Lists] -- hbase discussion
happens up on the hadoop mailing list
+  * Hbase IRC channel is #hbase at irc.freenode.net.
+  * [:Hbase/HbaseRest] HBase REST-gateway spec.
+  * [:Hbase/ThriftApi] HBase Thrift gateway discussion and spec.
+  * [:HBase/HBasePresentations] HBase presentations
+  * [:Hbase/MapReduce] Using HBase !MapReducing
+  * [:Hbase/IssuePriorityGuidelines] How to rate the priority of your issues in JIRA.
+  * [:Hbase/HbaseShell:Hbase Shell], a Query Language Shell for Hadoop + Hbase 
+  * [:Hbase/PoweredBy: PoweredBy], a list of sites and applications powered by Hbase
  
  [[Anchor(news)]]
  == NEWS: ==
@@ -47, +57 @@

  Google's [http://labs.google.com/papers/bigtable.html Bigtable],
  a distributed storage system for structured data, is a very effective 
  mechanism for storing very large amounts of data in a distributed
- environment.
-  
- Just as Bigtable leverages the distributed data storage provided
+ environment. Just as Bigtable leverages the distributed data storage provided
  by the [http://labs.google.com/papers/gfs.html Google File System],
- Hbase will provide Bigtable-like capabilities on top of Hadoop.
+ Hbase will provide Bigtable-like capabilities on top of Hadoop. 
+ Data is organized into tables, rows and columns. An Iterator-like interface is available
- 
- Data is organized into tables, rows and columns, but a query language
- like SQL is not supported. Instead, an Iterator-like interface is available
  for scanning through a row range (and of course there is an ability to
  retrieve a column value for a specific key).
- 
  Any particular column may have multiple values for the same row key.
  A secondary key can be provided to select a particular value or an
  Iterator can be set up to scan through the key-value pairs for that column 
- given a specific row key.
+ given a specific row key. See [wiki:Hbase/HbaseArchitecture  Hbase Architecture]
+ to learn more about Hbase.
  
  [[Anchor(rationale)]]
- == Rationale ==
+ === Rationale ===
  
  Both Google's GFS and Hadoop's HDFS provide a mechanism to
  reliably store large amounts of data. However, there is not really a 
@@ -75, +81 @@

  accessing these large data sets.
  
  [[Anchor(goals)]]
- == Goals ==
+ === Goals ===
  
  Design (and subsequently implement) a structured storage system as
  similar to Google's Bigtable as possible for the Hadoop environment.
  
  [[Anchor(nongoals)]]
- === Non-Goals ===
+ ==== Non-Goals ====
  
   * Gratuitous changes that are essentially "re-inventing the wheel" or are the result of
"not invented here".
-  * Until the first working version is completed, requests for additional features should
be posted at [wiki:Self:Hbase/HbaseFeatureRequests Hbase Feature Requests] to prevent "feature
creep" or "one plus" requests that are not necessary in an initial release.
   * Premature optimization. Once there is a working version, the system will be profiled
for hot spots.
  
- [[Anchor(links)]]
- == Project Links ==
- 
-  * [wiki:Hbase/HbaseArchitecture  Hbase Architecture]
-  * [http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Nightly/javadoc/org/apache/hadoop/hbase/package-summary.html#package_description
 Getting Started] description hosted inside the HBase javadoc package description or see how
to checkout, build and run hbase in about [wiki:Hbase/10Minutes 10 Minutes].
-  * [wiki:Hbase/FAQ FAQ]
-  * [wiki:Hbase/HbaseFeatureRequests Requested New Features]
-  * [wiki:Hbase/UsingBloomFilters Using Bloom Filters]
-  * [http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Nightly/javadoc/org/apache/hadoop/hbase/package-summary.html
HBase API Docs] built as part of Hadoop nightlies
-  * Hbase and Performance
-   * [wiki:Hbase/PerformanceEvaluation Tools for evaluating HBase performance and scalability]
-   * [:Hbase/HbaseRTDS]: Discuss the evaluation of Hbase
-  * [http://lucene.apache.org/hadoop/mailing_lists.html#Users Mailing Lists] -- hbase discussion
happens up on the hadoop mailing list
-  * Hbase IRC channel is #hbase at irc.freenode.net.
-  * [:Hbase/HbaseRest] HBase REST-gateway spec.
-  * [:Hbase/ThriftApi] HBase Thrift gateway discussion and spec.
-  * [:HBase/HBasePresentations] HBase presentations
-  * [:Hbase/MapReduce] Using HBase !MapReducing
-  * [:Hbase/IssuePriorityGuidelines] How to rate the priority of your issues in JIRA.
-  * [:Hbase/HbaseShell:Hbase Shell], a Query Language Shell for Hadoop + Hbase 
-  * [:Hbase/PoweredBy: PoweredBy], a list of sites and applications powered by Hbase
  
  [[Anchor(contributors)]]
  == Initial Contributors ==

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