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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Trivial Update of "Hbase/FAQ" by stack
Date Mon, 19 May 2008 21:30:34 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/FAQ

The comment on the change is:
Added 'Any advice for smaller clusters in write-heavy environments'

------------------------------------------------------------------------------
   1. [#10 How do cell deletes work?]
   1. [#11 What ports does HBase use?]
   1. [#12 Why is HBase ignoring HDFS client configuration such as dfs.replication?]
+  1. [#13 Any advice for smaller clusters in write-heavy environments]
  
  == Answers ==
  
@@ -113, +114 @@

  Not counting the ports used by hadoop -- hdfs and mapreduce -- by default, hbase runs the
master and its informational http server at 60000 and 60010 respectively and regionservers
at 60020 and their informational http server at 60030.  ''${HBASE_HOME}/conf/hbase-default.xml''
lists the default values of all ports used.  Also check ''${HBASE_HOME}/conf/hbase-site.xml''
for site-specific overrides.
  
  
- '''12. [[Anchor(11)]] Why is HBase ignoring HDFS client configuration such as dfs.replication?'''
+ '''12. [[Anchor(12)]] Why is HBase ignoring HDFS client configuration such as dfs.replication?'''
  
  If you have made HDFS client configuration on your hadoop cluster, HBase will not see this
configuration unless you do one of the following:
  
@@ -123, +124 @@

  
  The first option is the better of the three since it avoids duplication.
  
+ '''13. [[Anchor(13)]] Any advice for smaller clusters in write-heavy environments?'''
+   See [http://mail-archives.apache.org/mod_mbox/hadoop-hbase-user/200805.mbox/%3C25e5a0c00805072129w3b54599r286940f134c6f235@mail.gmail.com%3E
Advice for smaller clusters in write-heavy environments]
+ 

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