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HBASE-11648 Typo of config: hbase.hstore.compaction.ratio in book.xml (Liu Shaohui)

This commit is contained in:
stack 2014-08-01 09:55:30 -07:00
parent a2bbb6b43c
commit 8ec64ec0df
2 changed files with 9 additions and 9 deletions
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2
hbase-common/src/main/resources/hbase-default.xml
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@ -673,7 +673,7 @@ possible configurations would overwhelm and obscure the important.
<name>hbase.hstore.compaction.min.size</name>
<value>134217728</value>
<description>A StoreFile smaller than this size will always be eligible for minor compaction.
HFiles this size or larger are evaluated by hbase.store.compaction.ratio to determine if
HFiles this size or larger are evaluated by hbase.hstore.compaction.ratio to determine if
they are eligible. Because this limit represents the "automatic include"limit for all
StoreFiles smaller than this value, this value may need to be reduced in write-heavy
environments where many StoreFiles in the 1-2 MB range are being flushed, because every

16
src/main/docbkx/book.xml
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@ -3262,7 +3262,7 @@ myHtd.setValue(HTableDescriptor.SPLIT_POLICY, MyCustomSplitPolicy.class.getName(
</listitem>
<listitem>
<para>For each StoreFile, its size multiplied by
<varname>hbase.store.compaction.ratio</varname> (or
<varname>hbase.hstore.compaction.ratio</varname> (or
<varname>hbase.hstore.compaction.ratio.offpeak</varname> if
off-peak hours are configured and it is during off-peak hours) is
less than the sum of the sizes of the other HFiles in the
@ -3359,10 +3359,10 @@ myHtd.setValue(HTableDescriptor.SPLIT_POLICY, MyCustomSplitPolicy.class.getName(
locality on the StoreFile.</para>
</step>
<step>
<para>The value of the <varname>hbase.store.compaction.ratio</varname> parameter
<para>The value of the <varname>hbase.hstore.compaction.ratio</varname> parameter
is multiplied by the sum of StoreFiles smaller than a given file, to determine
whether that StoreFile is selected for compaction during a minor compaction. For
instance, if hbase.store.compaction.ratio is 1.2, FileX is 5 mb, FileY is 2 mb,
instance, if hbase.hstore.compaction.ratio is 1.2, FileX is 5 mb, FileY is 2 mb,
and FileZ is 3 mb:</para>
<screen>5 &lt;= 1.2 x (2 + 3) or 5 &lt;= 6</screen>
<para>In this scenario, FileX is eligible for minor compaction. If FileX were 7
@ -3438,7 +3438,7 @@ myHtd.setValue(HTableDescriptor.SPLIT_POLICY, MyCustomSplitPolicy.class.getName(
<entry>hbase.hstore.compaction.min.size</entry>
<entry><para>A StoreFile smaller than this size will always be eligible for
minor compaction. StoreFiles this size or larger are evaluated by
<varname>hbase.store.compaction.ratio</varname> to determine if they are
<varname>hbase.hstore.compaction.ratio</varname> to determine if they are
eligible.</para>
<para>Because this limit represents the "automatic include" limit for
all StoreFiles smaller than this value, this value may need to be reduced
@ -3579,7 +3579,7 @@ myHtd.setValue(HTableDescriptor.SPLIT_POLICY, MyCustomSplitPolicy.class.getName(
</programlisting>
Important knobs: <itemizedlist>
<listitem>
<para><code>hbase.store.compaction.ratio</code> Ratio used in compaction file
<para><code>hbase.hstore.compaction.ratio</code> Ratio used in compaction file
selection algorithm (default 1.2f).</para>
</listitem>
<listitem>
@ -3614,7 +3614,7 @@ myHtd.setValue(HTableDescriptor.SPLIT_POLICY, MyCustomSplitPolicy.class.getName(
<code>TestCompactSelection</code>.</para>
<itemizedlist>
<listitem>
<para><code>hbase.store.compaction.ratio</code> = 1.0f </para>
<para><code>hbase.hstore.compaction.ratio</code> = 1.0f </para>
</listitem>
<listitem>
<para><code>hbase.hstore.compaction.min</code> = 3 (files) </para>
@ -3660,7 +3660,7 @@ myHtd.setValue(HTableDescriptor.SPLIT_POLICY, MyCustomSplitPolicy.class.getName(
<para>This example mirrors an example from the unit test
<code>TestCompactSelection</code>. <itemizedlist>
<listitem>
<para><code>hbase.store.compaction.ratio</code> = 1.0f </para>
<para><code>hbase.hstore.compaction.ratio</code> = 1.0f </para>
</listitem>
<listitem>
<para><code>hbase.hstore.compaction.min</code> = 3 (files) </para>
@ -3702,7 +3702,7 @@ myHtd.setValue(HTableDescriptor.SPLIT_POLICY, MyCustomSplitPolicy.class.getName(
<para>This example mirrors an example from the unit test
<code>TestCompactSelection</code>. <itemizedlist>
<listitem>
<para><code>hbase.store.compaction.ratio</code> = 1.0f </para>
<para><code>hbase.hstore.compaction.ratio</code> = 1.0f </para>
</listitem>
<listitem>
<para><code>hbase.hstore.compaction.min</code> = 3 (files) </para>