[erlang-questions] Atomically updating a record in ETS table

[Dmitry Kolesnikov]

Hello,

There is ets:update_element but it works with tuples only.

I am afraid that you need to handle write/update operation through server (gen_server).
For high-throughput, you might need to implement multiple servers with consistent hash schema.

Best Regards, 
Dmitry

On Oct 23, 2013, at 2:06 PM, Martin Dimitrov <mrtndimitrov@REDACTED> wrote:

> Hello everyone,
> 
> I have an ETS table that contains records of the following format:
> 
> {Key, List}
> 
> For example, {key123, [a,b,c]}. Now I have to add to the list a new
> item, say 'd'. I have to select the record, add the new value to the
> list and replace the record with the new list. But how to do this
> atomically? Many processes might try to add an item to a record. Some
> sort of "critical section"?
> 
> Thanks in advance,
> Martin
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