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ets-cache's Introduction

ets-cache

Convenient Erlang caching on top of ETS

Features

  • Memcached-like API
  • As thin as possible wrapper around ETS
  • Support for arbitrary keys and values
  • Set operation can specify expiration time after which value will be invalidated
  • No external dependencies

Public API

cache:start().
cache:set(Key, Value, Expiration).
cache:get(Key).
cache:incr(Key, Offset).
cache:del(Key).
  • Key and Value - arbitrary terms
  • Expiration and Offset - integers, optional

Internals

  • Application consists of single supervised gen_server, which perioadically checks cached data for expiration
  • Clients perform operations directly with data ETS table, which is public and with read/write concurrency

Future Plans

  • Expand the API to be a subset of Redis API
  • Allow to use separate namespaces
  • Cleanup when memory used exceeds some threshold

ets-cache's People

Contributors

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Watchers

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