ETS table with only counters

[Eric Pailleau]

Hi, 
Documentation says that operation is guaranteed to be atomic and isolated. 

Envoyé depuis mon mobile 

---- Frank Muller a écrit ----

>Hi guys,
>
>I've a ETS (type of "set") which contains ONLY counters
>(ets:update_counter/3).
>
>This table is heavily used and the counters get incremented and decremented
>at different rates.
>
>Question: how should i set my table?
>1. both concurrency set to true:
>    [ set
>    , {read_concurrency, true}
>    , {write_concurrency, true} ].
>
>2. only read concurrency set to true:
>    [ set
>    , {read_concurrency, true}
>    , {write_concurrency, false} ].
>
>3. only write concurrency set to true:
>    [ set
>    , {read_concurrency, false}
>    , {write_concurrency, true} ].
>
>Please explain why?
>
>/Frank
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