NAME
nutcracker - Fast, light-weight proxy for memcached and Redis
SYNOPSIS
nutcracker [options]
DESCRIPTION
nutcracker, also known as twemproxy (pronounced "two-em-proxy"), is a fast and lightweight proxy for the memcached and Redis protocols.
It was primarily built to reduce the connection count on backend caching servers, but it has a number of features, such as:
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Maintains persistent server connections to backend servers.
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Enables pipelining of requests and responses.
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Supports multiple server pools simultaneously.
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Shard data automatically across multiple servers.
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Supports multiple hashing modes including consistent hashing and distribution.
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High-availability by disabling nodes on failures.
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Observability through stats exposed on stats monitoring port.
OPTIONS
- -h, --help
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Show usage information and exit.
- -V, --version
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Show version and exit.
- -t, --test-conf
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Test configuration for syntax errors and exit.
- -D, --describe-stats
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Print stats description and exit.
- -v, --verbose=N
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Set logging level to N. (default: 5, min: 0, max: 11)
- -o, --output=filename
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Set logging file to filename.
- -c, --conf-file=filename
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Set configuration file to filename.
- -s, --stats-port=port
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Set stats monitoring port to port. (default: 22222)
- -a, --stats-addr=address
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Set stats monitoring IP to address. (default: 0.0.0.0)
- -i, --stats-interval=interval
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Set stats aggregation interval in msec to interval. (default: 30000 msec)
- -m, --mbuf-size=size
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Set size of mbuf chunk in bytes to size. (default: 16384 bytes)
- -d, --daemonize
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Run as a daemon.
- -p, --pid-file=filename
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Set pid file to filename.
SEE ALSO
memcached(8), redis-server(1)
AUTHOR
nutcracker was written by Twitter, Inc.