Doc: add explanation about the shared memory required by shared relation cache.

Add description to "Memory requirement" section so that in Pgpool-II
4.1 and after require additional shared memory for shared relation
cache.

diff --git a/doc.ja/src/sgml/performance.sgml b/doc.ja/src/sgml/performance.sgml
index 50e3fa8059c5217e9eaeeabd07653c2ef7dff2c3..461d60ef7548272f3caac99e3d6edaa111a6639c 100644 (file)
--- a/doc.ja/src/sgml/performance.sgml
+++ b/doc.ja/src/sgml/performance.sgml
@@ -48,6 +48,10 @@
       必要メモリ量に関しては<xref linkend="guc-memqcache-total-size">と<xref linkend="guc-memqcache-max-num-cache">を参照してください。
     </para>
 
+    <para>
+     ただし<productname>Pgpool-II</productname> 4.1移行では、インメモリクエリキャッシュが有効になっていなくても、<xref linkend="guc-enable-shared-relcache">が有効なら(デフォルトで有効です)、追加で64MBの共有メモリを使用することに注意してください。
+    </para>
+
    </sect3>
    
    <sect3 id="process-memory-requirement">

diff --git a/doc/src/sgml/performance.sgml b/doc/src/sgml/performance.sgml
index 3f7594e786c0c407dbb0f5041842eb591b98f134..3f192d6e52de1569bc02c425cfac0eef1d0c11cb 100644 (file)
--- a/doc/src/sgml/performance.sgml
+++ b/doc/src/sgml/performance.sgml
@@ -61,6 +61,13 @@
        size.
     </para>
 
+    <para>
+     Note that, however, in <productname>Pgpool-II</productname> 4.1
+     or after, even if the in memory query cache is not enabled, it
+     consumes additional 64MB of shared memory, if <xref
+     linkend="guc-enable-shared-relcache"> is enabled (it is enabled
+     by default).
+    </para>
    </sect3>
    
    <sect3 id="process-memory-requirement">