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| author | Bruce Momjian <bruce@momjian.us> | 2013-01-09 08:57:47 -0500 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2013-01-09 08:57:47 -0500 |
| commit | a89c46f9bc314ed549245d888da09b8c5cace104 (patch) | |
| tree | 7b6ed8dc5ea0bbd6426c8e5452a24ce5f5bd5a77 /doc/src | |
| parent | c00dc337b8752ec959e27bfdc58e13f3d305154a (diff) | |
| download | postgresql-a89c46f9bc314ed549245d888da09b8c5cace104.tar.gz postgresql-a89c46f9bc314ed549245d888da09b8c5cace104.zip | |
Allow parallel copy/link in pg_upgrade
This patch implements parallel copying/linking of files by tablespace
using the --jobs option in pg_upgrade.
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/pgupgrade.sgml | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/doc/src/sgml/pgupgrade.sgml b/doc/src/sgml/pgupgrade.sgml index 53781e45ed6..e0765babfc5 100644 --- a/doc/src/sgml/pgupgrade.sgml +++ b/doc/src/sgml/pgupgrade.sgml @@ -342,10 +342,11 @@ NET STOP pgsql-8.3 (<productname>PostgreSQL</> 8.3 and older used a different s <para> The <option>--jobs</> option allows multiple CPU cores to be used - to dump and reload database schemas in parallel; a good place to - start is the number of CPU cores on the server. This option can - dramatically reduce the time to upgrade a multi-database server - running on a multiprocessor machine. + for copying/linking of files and to dump and reload database schemas + 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. </para> <para> |