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Commitd63790d

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Clarify user of "postmaster" vs. "server" in FAQs.
Brendan Jurd
1 parent9f3bd29 commitd63790d

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6 files changed

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‎doc/FAQ

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@@ -423,10 +423,10 @@
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3.5) Why do I get "Sorry, too many clients" when trying to connect?
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You have reached the default limitis 100 database sessions. You need
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to increase thepostmaster's limit on how many concurrent backend
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You have reached the default limitof 100 database sessions. You need
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to increase theserver's limit on how many concurrent backend
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processes it can start by changing the max_connections value in
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postgresql.conf and restarting thepostmaster.
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postgresql.conf and restarting theserver.
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3.6) What is the upgrade process for PostgreSQL?
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@@ -753,7 +753,7 @@
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You probably have run out of virtual memory on your system, or your
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kernel has a low limit for certain resources. Try this before starting
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postmaster:
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the server:
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ulimit -d 262144
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limit datasize 256m
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‎doc/FAQ_AIX

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@@ -3,7 +3,7 @@ Frequently Asked Questions (FAQ) for PostgreSQL
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AIX Specific
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TO BE READ IN CONJUNCTION WITH THE NORMAL FAQ
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=======================================================
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Last updated: $Date:2006/12/06 15:45:30 $
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Last updated: $Date:2007/10/09 01:28:24 $
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Topics
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@@ -16,7 +16,7 @@ Topics
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-----
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From: Zeugswetter Andreas <ZeugswetterA@spardat.at>
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$Date:2006/12/06 15:45:30 $
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$Date:2007/10/09 01:28:24 $
2020

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On AIX 4.3.2 PostgreSQL compiled with the native IBM compiler xlc
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(vac.C 5.0.1) passes all regression tests. Other versions of OS and
@@ -301,7 +301,7 @@ The cause of these problems
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----------------------------
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The overall cause of all these problems is the default bittedness and
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memory model used by thepostmaster process.
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memory model used by theserver process.
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By default, all binaries built on AIX are 32-bit. This does not
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depend upon hardware type or kernel in use. These 32-bit processes
@@ -327,10 +327,10 @@ but that's not always practical. Systems with 32-bit processors can
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build, but not run, 64-bit binaries.
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If a 32-bit binary is desired, set LDR_CNTRL to "MAXDATA=0xn0000000",
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where 1 <= n <= 8, before starting thepostmaster and try different
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where 1 <= n <= 8, before starting thepostgres server and try different
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values and postgresql.conf settings to find a configuration that works
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satisfactorily. This use of LDR_CNTRL tells AIX that you want the
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postmaster to have $MAXDATA bytes set aside for the heap, allocated in
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server to have $MAXDATA bytes set aside for the heap, allocated in
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256MB segments.
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When you find a workable configuration, ldedit can be used to modify

‎doc/FAQ_CYGWIN

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@@ -1,7 +1,7 @@
11
Installing PostgreSQL on Windows Using Cygwin FAQ
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=================================================
33

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$Date:2004/10/15 16:18:35 $
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$Date:2007/10/09 01:28:24 $
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PostgreSQL requires the appropriate subset of Cygwin DLLs to be
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installed in order that it functions under Windows.
@@ -30,8 +30,8 @@ adjust these instructions accordingly.
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3a. Start cygserver for shared memory support. To do this,
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enter the command "/usr/sbin/cygserver &". This program
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needs to be running anytime you start thePostgreSQL server
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(postmaster)or initialize a database (initdb).
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needs to be running anytime you start thePostgres server
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or initialize a database (initdb).
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3b. Use the initdb command to create a new database cluster. An
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example command would be:
@@ -42,18 +42,18 @@ adjust these instructions accordingly.
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directory, will prompt for a superuser password and will
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set the default database encoding to LATIN1.
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3c. Start up thepostmaster. Use a command similar to the
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3c. Start up thePostgres server. Use a command similar to the
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following:
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postmaster -D /usr/local/pgsql/data
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postgres -D /usr/local/pgsql/data
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This will start thepostmaster, and if successful you will
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This will start theserver, and if successful you will
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see some initial log entries, and an entry "LOG: database
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system is ready".
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4. You are now running a PostgreSQL server on your Windows machine.
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5. It is possible to install cygserver and thepostmaster as
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5. It is possible to install cygserver and thePostgres server as
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Windows NT services. For information on how to do this, please
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refer to the README document included with Cygwin PostgreSQL. It
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is installed in the /usr/share/doc/Cygwin directory.

‎doc/FAQ_DEV

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@@ -428,7 +428,7 @@ General Questions
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4. A README.rpm-dist document that tries to adequately document both
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the differences between the RPM build and the WHY of the
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differences, as well as useful RPM environment operations (like,
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using syslog, upgrading, gettingpostmaster to start at OS boot,
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using syslog, upgrading, gettingthe server to start at OS boot,
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etc);
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5. The spec file that throws it all together. This is not a trivial
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undertaking in a package of this size.
@@ -755,8 +755,8 @@ typedef struct nameData
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(gdb) call print(any_pointer)
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(gdb) call pprint(any_pointer)
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The output appears in thepostmaster log file, or on your screen if
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you are running a backend directly without a postmaster.
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The output appears in theserver log file, or on your screen if
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you are running a backend directly.
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2.4) I just added a field to a structure. What else should I do?
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@@ -782,7 +782,7 @@ typedef struct nameData
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ereport() is used to send messages to the front-end, and optionally
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terminate the current query being processed. The first parameter is an
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ereport level of DEBUG (levels 1-5), LOG, INFO, NOTICE, ERROR, FATAL,
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or PANIC. NOTICE prints on the user's terminal and thepostmaster
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or PANIC. NOTICE prints on the user's terminal andtotheserver
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logs. INFO prints only to the user's terminal and LOG prints only to
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the server logs. (These can be changed from postgresql.conf.) ERROR
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prints in both places, and terminates the current query, never
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assert()s monitor the progress of the backend and halt the program
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when something unexpected occurs.
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Thepostmaster has a -d option that allows even more detailed
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Thepostgres server has a -d option that allows even more detailed
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information to be reported. The -d option takes a number that
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specifies the debug level. Be warned that high debug level values
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generate large log files.

‎doc/src/FAQ/FAQ.html

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@@ -577,11 +577,11 @@ <H3 id="item3.4">3.4) What debugging features are
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<H3id="item3.5">3.5) Why do I get<I>"Sorry, too many
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clients"</I> when trying to connect?</H3>
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<P>You have reached the default limitis 100 database sessions. You
581-
need to increase the<I>postmaster</I>'s limit on how many
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<P>You have reached the default limitof 100 database sessions. You
581+
need to increase theserver's limit on how many
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concurrent backend processes it can start by changing the
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<I>max_connections</I> value in<I>postgresql.conf</I> and
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restarting the<I>postmaster</I>.</P>
584+
restarting theserver.</P>
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<H3id="item3.6">3.6) What is the upgrade process for PostgreSQL?</H3>
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@@ -991,7 +991,7 @@ <H3 id="item4.13">4.13) Why do I get the error <I>"ERROR:
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<P>You probably have run out of virtual memory on your system,
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or your kernel has a low limit for certain resources. Try this
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before starting<I>postmaster</I>:</P>
994+
before startingthe server:</P>
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<PRE>
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ulimit -d 262144
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limit datasize 256m

‎doc/src/FAQ/FAQ_DEV.html

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@@ -939,7 +939,7 @@ <H3 id="item2.3">2.3) Why do we use <I>Node</I> and
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(gdb) call pprint(any_pointer)
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</CODE>
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</PRE>
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The output appears in thepostmaster log file, or on your screen if
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The output appears in theserver log file, or on your screen if
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you are running a backend directly without a postmaster.
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<H3id="item2.4">2.4) I just added a field to a structure.
@@ -972,7 +972,7 @@ <H3 id="item2.6">2.6) What is ereport()?</H3>
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parameter is an ereport level of<I>DEBUG</I> (levels 1-5),
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<I>LOG,</I><I>INFO,</I><I>NOTICE,</I><I>ERROR,</I><I>FATAL,</I>
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or<I>PANIC.</I><I>NOTICE</I> prints on the user's terminal and
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thepostmaster logs.<I>INFO</I> prints only to the user's terminal
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totheserver logs.<I>INFO</I> prints only to the user's terminal
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and<I>LOG</I> prints only to the server logs. (These can be
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changed from<I>postgresql.conf.</I>)<I>ERROR</I> prints in both
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places, and terminates the current query, never returning from the
@@ -1004,7 +1004,7 @@ <H3 id="item2.8">2.8) What debugging features are available?</H3>
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option, many<I>assert()</I>s monitor the progress of the
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backend and halt the program when something unexpected occurs.</P>
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<P>The<I>postmaster</I> has a<I>-d</I> option that allows
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<P>Thepostgres server has a<I>-d</I> option that allows
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even more detailed information to be reported. The<I>-d</I>
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option takes a number that specifies the debug level. Be warned
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that high debug level values generate large log files.</P>

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