Tony, We thought this was good question, so I went ahead and added it along with your example to our knowledge base. You can find it here https://help.basho.com/entries/20390556-what-s-the-difference-between-the-riak-kv-cache-backend-ttl-and-riak-kv-cache-backend-max-ttl. We appreciate your help.
Thanks. Ian Plosker Developer Advocate Basho Technologies On Aug 23, 2011, at 10:51 AM, Kelly McLaughlin wrote: > Tony, > > Yes, you are correct. > > Kelly > > On Aug 23, 2011, at 8:38 AM, Tony Bussieres wrote: > >> Thanks Kelly! >> >> So, if I understood well. >> >> with a config like this : >> riak_kv_cache_backend_ttl 60 >> riak_kv_cache_backend_max_ttl 300 >> >> If I put a key at time 0, and access it will disappear after 60 second. >> If I put a key at time 0, and access it at time 50, it will disappear at >> time 110 >> If I put a key at time 0, and access it every 15 seconds, it will disappear >> after 300 seconds. >> >> I'm I right? >> >> Regards, >> >> -tony >> >> >> >> On Tue, Aug 23, 2011 at 10:22 AM, Kelly McLaughlin <ke...@basho.com> wrote: >> Tony, >> >> riak_kv_cache_backend_ttl is the amount of time to extend an object's lease >> or lifespan when accessed whereas riak_kv_cache_backend_max_ttl is the >> amount of time after which no further extensions should be granted. >> >> Kelly >> >> >> On Aug 23, 2011, at 7:49 AM, Tony Bussieres wrote: >> >>> Hi all, >>> >>> Could someone explain with an example what's the difference between : >>> >>> riak_kv_cache_backend_max_ttl >>> and >>> riak_kv_cache_backend_ttl >>> >>> Does the value of riak_kv_backend_max_ttl is also in seconds? >>> >>> Here's a snippet from the documentation found at >>> http://wiki.basho.com/Configuration-Files.html >>> riak_kv_cache_backend >>> A backend that behaves as an LRU-with-timed-expiry cache >>> riak_kv_cache_backend_memory >>> Maximum amount of memory to allocate, in megabytes (default: “100”) >>> riak_kv_cache_backend_ttl >>> Amount by which to extend an object’s expiry lease on each access, in >>> seconds (default: “600”) >>> riak_kv_cache_backend_max_ttl >>> Maximum allowed lease time (default: “3600”) >>> Thanks! >>> >>> -tony >>> _______________________________________________ >>> riak-users mailing list >>> riak-users@lists.basho.com >>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >> >> > > _______________________________________________ > riak-users mailing list > riak-users@lists.basho.com > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
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