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PostgreSQL Manual

This manual is provided as a courtesy. It is not an official source. Please check postgresql.org for updated information.

PostgreSQL Manual

PostgreSQL 8.1.3 Documentation
Prev	Fast Backward	Chapter 17. Server Configuration	Fast Forward	Next

17.16. Short Options

For convenience there are also single letter command-line option switches available for some parameters. They are described in Table 17-1.

Table 17-1. Short option key

Short option	Equivalent
`-B x`	`shared_buffers = x`
`-d x`	`log_min_messages = DEBUGx`
`-F`	`fsync = off`
`-h x`	`listen_addresses = x`
`-i`	`listen_addresses = '*'`
`-k x`	`unix_socket_directory = x`
`-l`	`ssl = on`
`-N x`	`max_connections = x`
`-p x`	`port = x`
`-fb`, `-fh`, `-fi`, `-fm`, `-fn`, `-fs`, `-ft`[a]	`enable_bitmapscan = off`, `enable_hashjoin = off`, `enable_indexscan = off`, `enable_mergejoin = off`, `enable_nestloop = off`, `enable_seqscan = off`, `enable_tidscan = off`
`-s`[a]	`log_statement_stats = on`
`-S x`[a]	`work_mem = x`
`-tpa`, `-tpl`, `-te`[a]	`log_parser_stats = on`, `log_planner_stats = on`, `log_executor_stats = on`
Notes: a. For historical reasons, these options must be passed to the individual server process via the `-o` `postmaster` option, for example, $ `postmaster -o '-S 1024 -s'` or via `PGOPTIONS` from the client side, as explained above.

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