hbase/conf/hbase-default.xml

<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<configuration>
  <property>
    <name>hbase.master</name>
    <value>0.0.0.0:60000</value>
    <description>The host and port that the HBase master runs at.
        TODO: Support 'local' (All running in single context).
    </description>
  </property>
  <property>
    <name>hbase.regionserver</name>
    <value>0.0.0.0:60010</value>
    <description>The host and port a HBase region server runs at.
    </description>
  </property>
  <property>
    <name>hbase.regionserver.class</name>
    <value>org.apache.hadoop.hbase.HRegionInterface</value>
    <description>An interface that is assignable to HRegionInterface.  Used in HClient for
    opening proxy to remote region server.
    </description>
  </property>
  <property>
    <name>hbase.rootdir</name>
    <value>${hadoop.tmp.dir}/hbase</value>
    <description>The directory shared by region servers.
    </description>
  </property>
  <property>
    <name>hbase.client.pause</name>
    <value>30000</value>
    <description>General client pause value.  Used mostly as value to wait
    before running a retry of a failed get, region lookup, etc.</description>
  </property>
  <property>
    <name>hbase.client.retries.number</name>
    <value>5</value>
    <description>Maximum retries.  Used as maximum for all retryable
    operations such as fetching of the root region from root region
    server, getting a cell's value, starting a row update, etc.
    Default: 5.
    </description>
  </property>
  <property>
    <name>hbase.master.meta.thread.rescanfrequency</name>
    <value>60000</value>
    <description>How long the HMaster sleeps (in milliseconds) between scans of
    the root and meta tables.
    </description>
  </property>
  <property>
    <name>hbase.master.lease.period</name>
    <value>30000</value>
    <description>HMaster server lease period in milliseconds. Default is
    30 seconds.  Region servers must report in within this period else
    they are considered dead.  On loaded cluster, may need to up this
    period.</description>
  </property>
  <property>
    <name>hbase.regionserver.lease.period</name>
    <value>30000</value>
    <description>HRegion server lease period in milliseconds. Default is
    30 seconds. Clients must report in within this period else they are
    considered dead.</description>
  </property>
  <property>
    <name>hbase.server.thread.wakefrequency</name>
    <value>10000</value>
    <description>Time to sleep in between searches for work (in milliseconds).
    Used as sleep interval by service threads such as META scanner and log roller.
    </description>
  </property>
  <property>
    <name>hbase.regionserver.handler.count</name>
    <value>10</value>
    <description>Count of RPC Server instances spun up on RegionServers
    Same property is used by the HMaster for count of master handlers.
    Default is 10.
    </description>
  </property>
  <property>
    <name>hbase.regionserver.msginterval</name>
    <value>15000</value>
    <description>Interval between messages from the RegionServer to HMaster
    in milliseconds.  Default is 15. Set this value low if you want unit
    tests to be responsive.
    </description>
  </property>
  <property>
    <name>hbase.regionserver.maxlogentries</name>
    <value>30000</value>
    <description>Rotate the logs when count of entries exceeds this value.
    Default: 30,000
    </description>
  </property>
  <property>
    <name>hbase.hregion.maxunflushed</name>
    <value>10000</value>
    <description>
    Memcache will be flushed to disk if number of Memcache writes
    are in excess of this number.
    </description>
  </property>
  <property>
    <name>hbase.hregion.max.filesize</name>
    <value>134217728</value>
    <description>
    Maximum desired file size for an HRegion.  If filesize exceeds
    value + (value / 2), the HRegion is split in two.  Default: 128M.
    </description>
  </property>
</configuration>