Reply-To: jesper.pedersen@redhat.com
Subject: Re: pg_upgrade: Pass -j down to vacuumdb
To: fabriziomello@gmail.com
Cc: "Jamison, Kirk" <k.jamison@jp.fujitsu.com>, Tom Lane <tgl@sss.pgh.pa.us>,
 Alvaro Herrera <alvherre@2ndquadrant.com>,
 Michael Paquier <michael@paquier.xyz>,
 Peter Eisentraut <peter.eisentraut@2ndquadrant.com>,
 "pgsql-hackers@lists.postgresql.org" <pgsql-hackers@lists.postgresql.org>,
 Bruce Momjian <bruce@momjian.us>
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 <59f9323a-fee8-88f6-16ab-2319149b00be@2ndquadrant.com>
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From: Jesper Pedersen <jesper.pedersen@redhat.com>
Organization: Red Hat
Message-ID: <4ce565f9-d21f-039f-8f5a-2e16e6aa1ae4@redhat.com>
Date: Mon, 28 Jan 2019 11:47:37 -0500
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On 1/28/19 11:30 AM, Fabrízio de Royes Mello wrote:
> IMHO you should use long option name '--jobs' like others.
>

Thanks for your feedback !

Done, and v4 attached.

Best regards,
  Jesper

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From 142b4723f433f39d0eed2ced4beccc3721451103 Mon Sep 17 00:00:00 2001
From: jesperpedersen <jesper.pedersen@redhat.com>
Date: Fri, 21 Dec 2018 05:05:31 -0500
Subject: [PATCH] Highlight that the --jobs option isn't passed down to
 vacuumdb by default.

Author: Jesper Pedersen <jesper.pedersen@redhat.com>
---
 doc/src/sgml/ref/pgupgrade.sgml |  6 +++++-
 src/bin/pg_upgrade/check.c      | 28 ++++++++++++++++++++++------
 2 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/doc/src/sgml/ref/pgupgrade.sgml b/doc/src/sgml/ref/pgupgrade.sgml
index 7e1afaf0a5..b1da0cc7a2 100644
--- a/doc/src/sgml/ref/pgupgrade.sgml
+++ b/doc/src/sgml/ref/pgupgrade.sgml
@@ -395,7 +395,11 @@ NET STOP postgresql-&majorversion;
      in parallel;  a good place to start is the maximum of the number of
      CPU cores and tablespaces.  This option can dramatically reduce the
      time to upgrade a multi-database server running on a multiprocessor
-     machine.
+     machine. Note, that this option isn't passed to the
+     <application>vacuumdb</application> application by default.
+     The system environment variable <literal>VACUUMDB_OPTS</literal> can be
+     used to pass extra options to the <application>vacuumdb</application>
+     application during the script execution such as <option>--jobs</option>.
     </para>
 
     <para>
diff --git a/src/bin/pg_upgrade/check.c b/src/bin/pg_upgrade/check.c
index fc5aa7010f..3b478ef95f 100644
--- a/src/bin/pg_upgrade/check.c
+++ b/src/bin/pg_upgrade/check.c
@@ -495,15 +495,31 @@ create_script_for_cluster_analyze(char **analyze_script_file_name)
 			ECHO_QUOTE, ECHO_QUOTE);
 	fprintf(script, "echo %sthis script and run:%s\n",
 			ECHO_QUOTE, ECHO_QUOTE);
-	fprintf(script, "echo %s    \"%s/vacuumdb\" %s--all %s%s\n", ECHO_QUOTE,
-			new_cluster.bindir, user_specification.data,
-	/* Did we copy the free space files? */
-			(GET_MAJOR_VERSION(old_cluster.major_version) >= 804) ?
-			"--analyze-only" : "--analyze", ECHO_QUOTE);
+	if (user_opts.jobs <= 1 || GET_MAJOR_VERSION(new_cluster.major_version) < 905)
+	{
+		fprintf(script, "echo %s    \"%s/vacuumdb\" %s--all %s%s\n", ECHO_QUOTE,
+				new_cluster.bindir, user_specification.data,
+				/* Did we copy the free space files? */
+				(GET_MAJOR_VERSION(old_cluster.major_version) >= 804) ?
+				"--analyze-only" : "--analyze", ECHO_QUOTE);
+	}
+	else
+	{
+		fprintf(script, "echo %s    \"%s/vacuumdb\" %s--jobs %d --all %s%s\n", ECHO_QUOTE,
+				new_cluster.bindir, user_specification.data, user_opts.jobs,
+				/* Did we copy the free space files? */
+				(GET_MAJOR_VERSION(old_cluster.major_version) >= 804) ?
+				"--analyze-only" : "--analyze", ECHO_QUOTE);
+	}
 	fprintf(script, "echo%s\n\n", ECHO_BLANK);
 
-	fprintf(script, "\"%s/vacuumdb\" %s--all --analyze-in-stages\n",
+#ifndef WIN32
+	fprintf(script, "\"%s/vacuumdb\" %s$VACUUMDB_OPTS --all --analyze-in-stages\n",
 			new_cluster.bindir, user_specification.data);
+#else
+	fprintf(script, "\"%s\\vacuumdb.exe\" %s%%VACUUMDB_OPTS%% --all --analyze-in-stages\n",
+			new_cluster.bindir, user_specification.data);
+#endif
 	/* Did we copy the free space files? */
 	if (GET_MAJOR_VERSION(old_cluster.major_version) < 804)
 		fprintf(script, "\"%s/vacuumdb\" %s--all\n", new_cluster.bindir,
-- 
2.17.2


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