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memcached development tree

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memcached
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memcached/memcached

Memcached

Memcached is a high performance multithreaded event-based key/value cache store intended to be used in a distributed system.

See: https://memcached.org/about

A fun story explaining usage: https://memcached.org/tutorial

If you're having trouble, try the wiki: https://memcached.org/wiki

If you're trying to troubleshoot odd behavior or timeouts, see: https://memcached.org/timeouts

https://memcached.org/ is a good resource in general. Please use the mailing list to ask questions, github issues aren't seen by everyone!

Dependencies

  • libevent - https://www.monkey.org/~provos/libevent/ (libevent-dev)
  • libseccomp (optional, experimental, linux) - enables process restrictions for better security. Tested only on x86-64 architectures.
  • openssl (optional) - enables TLS support. need relatively up to date version.

Environment

Be warned that the -k (mlockall) option to memcached might be dangerous when using a large cache. Just make sure the memcached machines don't swap. memcached does non-blocking network I/O, but not disk. (it should never go to disk, or you've lost the whole point of it)

Build status

See https://build.memcached.org/ for multi-platform regression testing status.

Bug reports

Feel free to use the issue tracker on github.

If you are reporting a security bug please contact a maintainer privately. We follow responsible disclosure: we handle reports privately, prepare a patch, allow notifications to vendor lists. Then we push a fix release and your bug can be posted publicly with credit in our release notes and commit history.

Website

Contributing

See https://github.com/memcached/memcached/wiki/DevelopmentRepos

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