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Options sorted in a slightly more rational order

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--no-order now is almost useless, but list it next to --order-by.
--jobs only specifies how to do something, not what to do. On the
same basis probably --no-analyze should be pushed further up.
This commit is contained in:
Daniele Varrazzo 2013-04-17 01:44:50 +01:00
parent 8efbd9e1c6
commit 7617e07f10
2 changed files with 23 additions and 21 deletions
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6
bin/pg_repack.c
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@ -1452,10 +1452,10 @@ pgut_help(bool details)
printf("Options:\n");
printf(" -a, --all repack all databases\n");
printf(" -j --jobs Use this many parallel jobs for each table\n");
printf(" -n, --no-order do vacuum full instead of cluster\n");
printf(" -o, --order-by=COLUMNS order by columns instead of cluster keys\n");
printf(" -t, --table=TABLE repack specific table only\n");
printf(" -o, --order-by=COLUMNS order by columns instead of cluster keys\n");
printf(" -n, --no-order do vacuum full instead of cluster\n");
printf(" -j --jobs Use this many parallel jobs for each table\n");
printf(" -T, --wait-timeout=SECS timeout to cancel other backends on conflict\n");
printf(" -Z, --no-analyze don't analyze at end\n");
}

38
doc/pg_repack.rst
View File

@ -117,10 +117,10 @@ The following options can be specified in ``OPTIONS``.
Options:
-a, --all repack all databases
-j, --jobs Use this many parallel jobs for each table
-n, --no-order do vacuum full instead of cluster
-o, --order-by=COLUMNS order by columns instead of cluster keys
-t, --table=TABLE repack specific table only
-o, --order-by=COLUMNS order by columns instead of cluster keys
-n, --no-order do vacuum full instead of cluster
-j, --jobs Use this many parallel jobs for each table
-T, --wait-timeout=SECS timeout to cancel other backends on conflict
-Z, --no-analyze don't analyze at end
@ -142,26 +142,27 @@ Generic options:
Reorg Options
^^^^^^^^^^^^^
Options to order rows. If not specified, pg_repack performs an online CLUSTER
using cluster indexes. Only one option can be specified. You may also specify
target tables or databases.
``-j``, ``--jobs``
Create the specified number of extra connections to PostgreSQL, and
use these extra connections to parallelize the rebuild of indexes
on each table. If your PostgreSQL server has extra cores and disk
I/O available, this can be a useful way to speed up pg_repack.
``-n``, ``--no-order``
Perform an online VACUUM FULL.
``-o COLUMNS [,...]``, ``--order-by=COLUMNS [,...]``
Perform an online CLUSTER ordered by the specified columns.
``-a``, ``--all``
Attempt repack all the databases of the cluster. Databases where the
``pg_repack`` extension is not installed will be skipped.
``-t TABLE``, ``--table=TABLE``
Reorganize the specified table only. By default, all eligible tables in
the target databases are reorganized.
``-o COLUMNS [,...]``, ``--order-by=COLUMNS [,...]``
Perform an online CLUSTER ordered by the specified columns.
``-n``, ``--no-order``
Perform an online VACUUM FULL. Since version 1.2 this is the default for
non-clustered tables.
``-j``, ``--jobs``
Create the specified number of extra connections to PostgreSQL, and
use these extra connections to parallelize the rebuild of indexes
on each table. If your PostgreSQL server has extra cores and disk
I/O available, this can be a useful way to speed up pg_repack.
``-T SECS``, ``--wait-timeout=SECS``
pg_repack needs to take an exclusive lock at the end of the
reorganization. This setting controls how many seconds pg_repack will
@ -175,6 +176,7 @@ target tables or databases.
Disable ANALYZE after the reorganization. If not specified, run ANALYZE
after the reorganization.
Connection Options
^^^^^^^^^^^^^^^^^^