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  • pgbench

    postgres@bingo-Computer:/opt/pgsql/bin$ ./pgbench --help
    pgbench is a benchmarking tool for PostgreSQL.
    
    Usage:
      pgbench [OPTION]... [DBNAME]
    
    Initialization options:
      -i, --initialize         invokes initialization mode
      -F, --fillfactor=NUM     set fill factor
      -n, --no-vacuum          do not run VACUUM after initialization
      -q, --quiet              quiet logging (one message each 5 seconds)
      -s, --scale=NUM          scaling factor
      --foreign-keys           create foreign key constraints between tables
      --index-tablespace=TABLESPACE
                               create indexes in the specified tablespace
      --tablespace=TABLESPACE  create tables in the specified tablespace
      --unlogged-tables        create tables as unlogged tables
    
    Options to select what to run:
      -b, --builtin=NAME[@W]   add builtin script NAME weighted at W (default: 1)
                               (use "-b list" to list available scripts)
      -f, --file=FILENAME[@W]  add script FILENAME weighted at W (default: 1)
      -N, --skip-some-updates  skip updates of pgbench_tellers and pgbench_branches
                               (same as "-b simple-update")
      -S, --select-only        perform SELECT-only transactions
                               (same as "-b select-only")
    
    Benchmarking options:
      -c, --client=NUM         number of concurrent database clients (default: 1)
      -C, --connect            establish new connection for each transaction
      -D, --define=VARNAME=VALUE
                               define variable for use by custom script
      -j, --jobs=NUM           number of threads (default: 1)
      -l, --log                write transaction times to log file
      -L, --latency-limit=NUM  count transactions lasting more than NUM ms as late
      -M, --protocol=simple|extended|prepared
                               protocol for submitting queries (default: simple)
      -n, --no-vacuum          do not run VACUUM before tests
      -P, --progress=NUM       show thread progress report every NUM seconds
      -r, --report-latencies   report average latency per command
      -R, --rate=NUM           target rate in transactions per second
      -s, --scale=NUM          report this scale factor in output
      -t, --transactions=NUM   number of transactions each client runs (default: 10)
      -T, --time=NUM           duration of benchmark test in seconds
      -v, --vacuum-all         vacuum all four standard tables before tests
      --aggregate-interval=NUM aggregate data over NUM seconds
      --progress-timestamp     use Unix epoch timestamps for progress
      --sampling-rate=NUM      fraction of transactions to log (e.g., 0.01 for 1%)
    
    Common options:
      -d, --debug              print debugging output
      -h, --host=HOSTNAME      database server host or socket directory
      -p, --port=PORT          database server port number
      -U, --username=USERNAME  connect as specified database user
      -V, --version            output version information, then exit
      -?, --help               show this help, then exit
    
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  • 原文地址:https://www.cnblogs.com/bingo711x/p/8193561.html
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