63 lines
3.2 KiB
Plaintext
63 lines
3.2 KiB
Plaintext
pgbench is a benchmarking tool for PostgreSQL.
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Usage:
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pgbench [OPTION]... [DBNAME]
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Initialization options:
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-i, --initialize invokes initialization mode
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-I, --init-steps=[dtgvpf]+ (default "dtgvp")
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run selected initialization steps
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-F, --fillfactor=NUM set fill factor
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-n, --no-vacuum do not run VACUUM during initialization
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-q, --quiet quiet logging (one message each 5 seconds)
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-s, --scale=NUM scaling factor
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--foreign-keys create foreign key constraints between tables
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--index-tablespace=TABLESPACE
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create indexes in the specified tablespace
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--tablespace=TABLESPACE create tables in the specified tablespace
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--unlogged-tables create tables as unlogged tables
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Options to select what to run:
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-b, --builtin=NAME[@W] add builtin script NAME weighted at W (default: 1)
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(use "-b list" to list available scripts)
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-f, --file=FILENAME[@W] add script FILENAME weighted at W (default: 1)
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-N, --skip-some-updates skip updates of pgbench_tellers and pgbench_branches
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(same as "-b simple-update")
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-S, --select-only perform SELECT-only transactions
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(same as "-b select-only")
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Benchmarking options:
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-c, --client=NUM number of concurrent database clients (default: 1)
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-C, --connect establish new connection for each transaction
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-D, --define=VARNAME=VALUE
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define variable for use by custom script
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-j, --jobs=NUM number of threads (default: 1)
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-l, --log write transaction times to log file
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-L, --latency-limit=NUM count transactions lasting more than NUM ms as late
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-M, --protocol=simple|extended|prepared
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protocol for submitting queries (default: simple)
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-n, --no-vacuum do not run VACUUM before tests
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-P, --progress=NUM show thread progress report every NUM seconds
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-r, --report-latencies report average latency per command
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-R, --rate=NUM target rate in transactions per second
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-s, --scale=NUM report this scale factor in output
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-t, --transactions=NUM number of transactions each client runs (default: 10)
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-T, --time=NUM duration of benchmark test in seconds
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-v, --vacuum-all vacuum all four standard tables before tests
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--aggregate-interval=NUM aggregate data over NUM seconds
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--log-prefix=PREFIX prefix for transaction time log file
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(default: "pgbench_log")
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--progress-timestamp use Unix epoch timestamps for progress
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--random-seed=SEED set random seed ("time", "rand", integer)
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--sampling-rate=NUM fraction of transactions to log (e.g., 0.01 for 1%)
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Common options:
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-d, --debug print debugging output
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-h, --host=HOSTNAME database server host or socket directory
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-p, --port=PORT database server port number
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-U, --username=USERNAME connect as specified database user
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-V, --version output version information, then exit
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-?, --help show this help, then exit
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Report bugs to <pgsql-bugs@postgresql.org>.
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