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96 lines
2.8 KiB
Groff
96 lines
2.8 KiB
Groff
.\" Process this file with
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.\" groff -man -Tascii foo.1
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.\"
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.\" Copyright (c) 2007 Tokutek. All Rights Reserved.
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.TH tokudb_gen 1 "November 2007" Tokutek "TokuDB Programmer's Manual"
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.SH NAME
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tokudb_gen
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.SH SYNOPSIS
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.B tokudb_gen [-PpTuVhHfF] [-o
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.I output
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.B ] [-r
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.I seed
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.B ] [-m
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.I minsize
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.B ] [-M
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.I limitsize
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.B ] [-n
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.I numpairs
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.B ] [-d
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.I delimiter
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.B ] [-s
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.I delimiter
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.B ]
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.LP
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.SH DESCRIPTION
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The
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.B tokudb_gen
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program generates random key/data pairs onto the standard output that match
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the input requirements of the
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.B tokudb_load
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program and the output requirements of the
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.B tokudb_dump
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program.
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.SH CONFORMING TO
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The TokuDB embedded database provides a subset of the functionality of
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the Berkeley DB. Programs that work with TokuDB probably work with
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with most versions of Berkeley DB with only recompilation or
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relinking. The database files are incompatible, however, so to
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convert from one library to the other you would need to dump the
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database with one library's tool and load it with the other's.
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.SH OPTIONS
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.IP -P
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Generate only printable characters (as defined by
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.B isprint
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).
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.IP -p
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Output in the same format as
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.B tokudb_dump
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-p.
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Output in the same format as
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.B tokudb_dump
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-T (and the input format for
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.B tokudb_load
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-T.)
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.IP -u
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Disable forcing of unique keys. By default a unique identifier is appended
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to the end of every key to make certain they are unique, which may allow
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keys greater than the lengthlimit provided by -M. Setting -u will enforce
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the length limit strictly, and might result in duplicate keys.
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.IP -V
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Print version information and exit.
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.IP -h
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Prevent output of header information.
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.IP -H
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Output ONLY the header information.
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.IP -f
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Prevent output of footer information.
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.IP -F
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Output ONLY the footer information.
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.IP "-o output"
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Write generated data to output instead of standard out.
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.IP "-r seed"
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Set the random seed for reproducible results. Default seed is 1.
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.IP "-m minsize"
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Set the minimum size (inclusive) for keys and values. Default is 0.
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.IP "-M limitsize"
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Set the maximum size (exclusive) for keys and values. Default is 1024.
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Note that if -u is not provided, a unique identifier is appended to all keys
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which can cause key sizes to exceed limitsize by up to 10 bytes.
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Value size limits are enforced strictly.
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.IP "-n numpairs"
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The number of key/value pairs to generate.
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Default is 1024.
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.IP "-d delimiter"
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A delimiter placed at the end of every key and value.
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Default is '\n'. It must be either a single character or any of the following
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escape sequences: \\a, \\b, \\e, \\f, \\n, \\r, \\t, \\v, \\0, or \\\\. The delimiter
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may not be a hexadecimal character.
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.IP "-s delimiter"
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A delimiter placed placed at the end of every key/value pair.
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There is no default if omitted.
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It has the same restrictions as -d.
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.SH AUTHOR
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Tokutek, Inc.
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.SH COPYRIGHT
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Copyright (c) 2007 Tokutek. All Rights Reserved.
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