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memcache: A memcached client library.

[ bsd3, database, library ] [ Propose Tags ]

A client library for a memcached cluster.

It supports the binary memcached protocol and SASL authentication. No support for the ASCII protocol is provided. It supports connecting to a single, or a cluster of memcached servers. When connecting to a cluser, consistent hashing is used for routing requests to the appropriate server.

Complete coverage of the memcached protocol is provided except for multi-get and other pipelined operations.

Basic usage is:

import qualified Database.Memcache.Client as M

mc <- M.newClient [M.ServerSpec "localhost" 11211 M.NoAuth] M.defaultOptions
M.set mc "key" "value" 0 0
v <- M.get mc "key"

You should only need to import Database.Memcache.Client, but for now other modules are exposed.

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Versions [RSS] 0.0.0, 0.0.1, 0.1.0.0, 0.1.0.1, 0.2.0.0, 0.2.0.1, 0.3.0.0, 0.3.0.1, 0.3.0.2
Change log CHANGELOG.md
Dependencies base (<5), binary (>=0.6.2.0), blaze-builder (>=0.3.1.0), bytestring (>=0.9.2.1), hashable (>=1.2.0.3), network (>=2.4), resource-pool (>=0.2.1.0), time (>=1.4), vector (>=0.7), vector-algorithms (>=0.5) [details]
License BSD-3-Clause
Copyright 2015 David Terei.
Author David Terei <code@davidterei.com>
Maintainer David Terei <code@davidterei.com>
Revised Revision 1 made by DavidTerei at 2015-05-19T07:24:24Z
Category Database
Home page https://github.com/dterei/memcache-hs
Bug tracker https://github.com/dterei/memcache-hs/issues
Source repo this: git clone https://github.com/dterei/memcache-hs.git(tag 0.1.0.0)
head: git clone https://github.com/dterei/memcache-hs.git
Uploaded by DavidTerei at 2015-05-19T07:22:38Z
Distributions LTSHaskell:0.3.0.2, NixOS:0.3.0.1, Stackage:0.3.0.2
Reverse Dependencies 3 direct, 0 indirect [details]
Downloads 4745 total (45 in the last 30 days)
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Status Docs available [build log]
Last success reported on 2015-05-23 [all 1 reports]

Readme for memcache-0.1.0.0

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memcache: Haskell Memcache Client

Hackage version Build Status

A client library for a memcached cluster.

It supports the binary memcached protocol and SASL authentication. No support for the ASCII protocol is provided. It supports connecting to a single, or a cluster of memcached servers. When connecting to a cluser, consistent hashing is used for routing requests to the appropriate server.

Complete coverage of the memcached protocol is provided except for multi-get and other pipelined operations.

Licensing

This library is BSD-licensed.

Tools

This library also includes a few tools for manipulating and experimenting with memcached servers.

  • OpGen -- A load generator for memcached. Doesn't collect timing statistics, other tools like mutilate already do that very well. This tool is useful in conjunction with mutilate.
  • Loader -- A tool to load random data of a certain size into a memcache server. Useful for priming a server for testing.

Architecture Notes

We're relying on Data.Pool for thread safety right now, which is fine but is a blocking API in that when we grab a socket (withResource) we are blocking any other requests being sent over that connection until we get a response. That is, we can't pipeline.

Now, use of multiple connections through the pool abstraction is an easy way to solve this and perhaps the right approach. But, could also implement own pool abstraction that allowed pipelining. This wouldn't be a pool abstraction so much as just round-robbining over multiple connections for performance.

Either way, a pool is fine for now.

Other clients

Get involved!

We are happy to receive bug reports, fixes, documentation enhancements, and other improvements.

Please report bugs via the github issue tracker.

Master git repository:

  • git clone https://github.com/dterei/memcache-hs.git

Authors

This library is written and maintained by David Terei, code@davidterei.com.