Update FAQ.

Author: bmomjian

doc/FAQ

@@ -32,7 +32,7 @@
                            User Client Questions
 
    2.1) Are there ODBC drivers for PostgreSQL?
-   2.2) What tools are available for hooking PostgreSQL to Web pages?
+   2.2) What tools are available for use PostgreSQL with Web pages?
    2.3) Does PostgreSQL have a graphical user interface? A report
    generator? An embedded query language interface?
    2.4) What languages are available to communicate with PostgreSQL?
@@ -50,11 +50,10 @@
    3.5) How do I prevent other hosts from accessing my PostgreSQL
    database?
    3.6) Why can't I connect to my database from another machine?
-   3.7) All my servers crash under concurrent table access. Why?
-   3.8) How do I tune the database engine for better performance?
-   3.9) What debugging features are available?
-   3.10) I get "Sorry, too many clients" when trying to connect. Why?
-   3.11) What are the pg_sorttempNNN.NN files in my database directory?
+   3.7) How do I tune the database engine for better performance?
+   3.8) What debugging features are available?
+   3.9) I get "Sorry, too many clients" when trying to connect. Why?
+   3.10) What are the pg_sorttempNNN.NN files in my database directory?
 
                            Operational Questions
 
@@ -197,9 +196,6 @@
 
     1.6) Where can I get support?
 
-   There is no support for PostgreSQL from the University of California,
-   Berkeley. It is maintained through volunteer effort.
-   
    The main mailing list is: pgsql-general@PostgreSQL.org. It is
    available for discussion of matters pertaining to PostgreSQL. To
    subscribe, send mail with the following lines in the body (not the
@@ -236,7 +232,7 @@
    There is also an IRC channel on EFNet, channel #PostgreSQL. I use the
    unix command irc -c '#PostgreSQL' "$USER" irc.phoenix.net.
 
-   A list of commercial PostgreSQL support is available at
+   A list of commercial support companies is available at
    http://www.postgresql.org/users-lounge/commercial-support.html.
 
     1.7) What is the latest release?
@@ -385,7 +381,7 @@
 
    See also the ODBC chapter of the Programmer's Guide.
 
-    2.2) What tools are available for hooking PostgreSQL to Web pages?
+    2.2) What tools are available for using PostgreSQL with Web pages?
 
    A nice introduction to Database-backed Web pages can be seen at:
    http://www.webtools.com
@@ -469,19 +465,17 @@
    authentication by modifying the file $PGDATA/pg_hba.conf accordingly.
    This will allow TCP/IP connections.
 
+   Inoperative semaphores can also cause crashes during heavy database
+   access.
+   
     3.6) Why can't I connect to my database from another machine?
 
    The default configuration allows only unix domain socket connections
    from the local machine. To enable TCP/IP connections, make sure the
    postmaster has been started with the -i option, and add an appropriate
    host entry to the file pgsql/data/pg_hba.conf.
 
-    3.7) All my servers crash under concurrent table access. Why?
-    
-   This problem can be caused by a kernel that is not configured to
-   support semaphores.
-   
-    3.8) How do I tune the database engine for better performance?
+    3.7) How do I tune the database engine for better performance?
 
    Certainly, indices can speed up queries. The EXPLAIN command allows
    you to see how PostgreSQL is interpreting your query, and which
@@ -512,7 +506,7 @@
    You can also use the CLUSTER command to group data in tables to match
    an index. See the CLUSTER manual page for more details.
 
-    3.9) What debugging features are available?
+    3.8) What debugging features are available?
 
    PostgreSQL has several features that report status information that
    can be valuable for debugging purposes.
@@ -559,7 +553,7 @@
    pgsql/data/base/dbname directory. The client profile file will be put
    in the client's current directory.
 
-    3.10) I get 'Sorry, too many clients' when trying to connect. Why?
+    3.9) I get 'Sorry, too many clients' when trying to connect. Why?
 
    You need to increase the postmaster's limit on how many concurrent
    backend processes it can start.
@@ -587,7 +581,7 @@
    was 64, and changing it required a rebuild after altering the
    MaxBackendId constant in include/storage/sinvaladt.h.
 
-    3.11) What are the pg_sorttempNNN.NN files in my database directory?
+    3.10) What are the pg_sorttempNNN.NN files in my database directory?
 
    They are temporary files generated by the query executor. For example,
    if a sort needs to be done to satisfy an ORDER BY, and the sort

doc/src/FAQ/FAQ.html

@@ -53,8 +53,8 @@ <H2>User Client Questions</H2>
     </CENTER>
     <A href="#2.1">2.1</A>) Are there <SMALL>ODBC</SMALL> drivers for
     PostgreSQL?<BR>
-     <A href="#2.2">2.2</A>) What tools are available for hooking
-    PostgreSQL to Web pages?<BR>
+     <A href="#2.2">2.2</A>) What tools are available for use PostgreSQL
+     with Web pages?<BR>
      <A href="#2.3">2.3</A>) Does PostgreSQL have a graphical user
     interface? A report generator? An embedded query language
     interface?<BR>
@@ -77,14 +77,12 @@ <H2>Administrative Questions</H2>
     accessing my PostgreSQL database?<BR>
      <A href="#3.6">3.6</A>) Why can't I connect to my database from
     another machine?<BR>
-     <A href="#3.7">3.7</A>) All my servers crash under concurrent
-    table access. Why?<BR>
-     <A href="#3.8">3.8</A>) How do I tune the database engine for
+     <A href="#3.7">3.7</A>) How do I tune the database engine for
     better performance?<BR>
-     <A href="#3.9">3.9</A>) What debugging features are available?<BR>
-     <A href="#3.10">3.10</A>) I get <I>"Sorry, too many clients"</I>
+     <A href="#3.8">3.8</A>) What debugging features are available?<BR>
+     <A href="#3.9">3.9</A>) I get <I>"Sorry, too many clients"</I>
     when trying to connect. Why?<BR>
-     <A href="#3.11">3.11</A>) What are the <I>pg_sorttempNNN.NN</I>
+     <A href="#3.10">3.10</A>) What are the <I>pg_sorttempNNN.NN</I>
     files in my database directory?<BR>
 
 
@@ -260,10 +258,6 @@ <H4><A name="1.5">1.5</A>) Where can I get PostgreSQL?</H4>
 
     <H4><A name="1.6">1.6</A>) Where can I get support?</H4>
 
-    <P>There is no support for PostgreSQL from the University of
-    California, Berkeley. It is maintained through volunteer
-    effort.</P>
-
     <P>The main mailing list is: <A href=
     "mailto:pgsql-general@PostgreSQL.org">pgsql-general@PostgreSQL.org</A>.
     It is available for discussion of matters pertaining to PostgreSQL.
@@ -316,7 +310,7 @@ <H4><A name="1.6">1.6</A>) Where can I get support?</H4>
     <I>#PostgreSQL.</I> I use the unix command <CODE>irc -c
     '#PostgreSQL' "$USER" irc.phoenix.net.</CODE></P>
 
-    <P>A list of commercial PostgreSQL support is available at <A href=
+    <P>A list of commercial support companies is available at <A href=
     "http://www.postgresql.org/users-lounge/commercial-support.html">http://www.postgresql.org/users-lounge/commercial-support.html</A>.</P>
 
     <H4><A name="1.7">1.7</A>) What is the latest release?</H4>
@@ -508,8 +502,8 @@ <H4><A name="2.1">2.1</A>) Are there <SMALL>ODBC</SMALL> drivers
     "http://www.PostgreSQL.org/docs/programmer/odbc.htm">ODBC chapter
     of the Programmer's Guide</A>.</P>
 
-    <H4><A name="2.2">2.2</A>) What tools are available for hooking
-    PostgreSQL to Web pages?</H4>
+    <H4><A name="2.2">2.2</A>) What tools are available for using
+    PostgreSQL with Web pages?</H4>
 
     <P>A nice introduction to Database-backed Web pages can be seen at:
     <A href="http://www.webtools.com">http://www.webtools.com</A></P>
@@ -620,6 +614,9 @@ <H4><A name="3.5">3.5</A>) How do I prevent other hosts from
     modifying the file <I>$PGDATA/pg_hba.conf</I> accordingly. This
     will allow TCP/IP connections.</P>
 
+    <P>Inoperative semaphores can also cause crashes during heavy
+    database access.</P>
+
     <H4><A name="3.6">3.6</A>) Why can't I connect to my database from
     another machine?</H4>
 
@@ -629,13 +626,7 @@ <H4><A name="3.6">3.6</A>) Why can't I connect to my database from
     option, and add an appropriate host entry to the file
     <I>pgsql/data/pg_hba.conf</I>.</P>
 
-    <H4><A name="3.7">3.7</A>) All my servers crash under concurrent
-    table access. Why?</H4>
-
-    <P>This problem can be caused by a kernel that is not configured to
-    support semaphores.</P>
-
-    <H4><A name="3.8">3.8</A>) How do I tune the database engine for
+    <H4><A name="3.7">3.7</A>) How do I tune the database engine for
     better performance?</H4>
 
     <P>Certainly, indices can speed up queries. The
@@ -672,7 +663,7 @@ <H4><A name="3.8">3.8</A>) How do I tune the database engine for
     data in tables to match an index. See the <SMALL>CLUSTER</SMALL>
     manual page for more details.</P>
 
-    <H4><A name="3.9">3.9</A>) What debugging features are
+    <H4><A name="3.8">3.8</A>) What debugging features are
     available?</H4>
 
     <P>PostgreSQL has several features that report status information
@@ -728,7 +719,7 @@ <H4><A name="3.9">3.9</A>) What debugging features are
     in the <I>pgsql/data/base/dbname</I> directory. The client profile
     file will be put in the client's current directory.</P>
 
-    <H4><A name="3.10">3.10</A>) I get 'Sorry, too many clients' when
+    <H4><A name="3.9">3.9</A>) I get 'Sorry, too many clients' when
     trying to connect. Why?</H4>
 
     <P>You need to increase the <I>postmaster's</I> limit on how many
@@ -763,7 +754,7 @@ <H4><A name="3.10">3.10</A>) I get 'Sorry, too many clients' when
     the MaxBackendId constant in
     <I>include/storage/sinvaladt.h.</I></P>
 
-    <H4><A name="3.11">3.11</A>) What are the <I>pg_sorttempNNN.NN</I>
+    <H4><A name="3.10">3.10</A>) What are the <I>pg_sorttempNNN.NN</I>
     files in my database directory?</H4>
 
     <P>They are temporary files generated by the query executor. For
@@ -1303,4 +1294,3 @@ <H4><A name="5.5">5.5</A>) I have changed a source file. Why does
     compiler compute the dependencies automatically.</P>
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