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Hey,
I need help to find a scalable and efficient solution to:
Store large number of elements (username)
Table is not static => ele...
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Building something that uses realtime features with liveview. There’s state that’s managed and pushed to call participants. Right now I’m...
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Last Three Year's Trending
I am working on a small hobby project which uses ETS/(Am)nesia to learn more about how these systems work.
One thing I am struggling wi...
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Background
I have an Elixir application that has 2 machines. Each machine receives requests on a round robin base.
Both machines are con...
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My application facilitates online consultations between clients and employees across various companies.
Employees: Belong to specific c...
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I am receiving an error message regarding the access of an ets table “1st argument: the table identifier does not refer to an existing ET...
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I was wondering if there is a way to return both the variables (e.g., :“$1”), and its matched value with a single call to :ets.select(tab...
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I’m writing a module to test ets match.
It would to store client consume by month/year.
I had try to follow match spec… I even tried to...
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I’m writing an application that needs to maintain many buffers that flush to a different location-partition combination in a rotating fas...
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Hi folks,
I am developing some fun project where I allow a multitude of Edge agents to connect to a Phoenix backend. I plan to store “ed...
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I’m implementing a search feature for data that’s backed by an ETS table. Given the following:
:ets.new(:nodes, [:named_table])
:ets.ins...
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I have n number of identical rabbitmq stream consumers with prefetch count set to 1. All the messages have a tag, lets suppose user_id in...
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I am just starting to dabble with :mnesia.select/1 and for the most part it works fine, but how can I get the equivalent of Kernel.in/2 ?...
New
this is my current project structure, the get request has a field that needs external validation
the idea is the endpint dispatch the va...
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I am running some design tests. The example here is not a real system but just some rough parts to test how things can fit together.
APP...
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Hi, Please I need help.
When I call
Cache.put("google.com", "foo bar")
I got
:ok
when I call
Cache.get("google.com")
I got error
...
New
Hello,
I’m trying to use DETS to store a struct, so I know that for this, I need to use the keypos option to tell elixir where it should...
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Trending Over Three Years
I'm not sure if this is a Phoenix or Elixir question. I'm building this all using Phoenix, but I think this relates to Elixir and the OT...
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My first question is what does ETS add on top of just storing state in a GenServer?
In the documentation I see it is used as a “cache”, ...
New
Background
I have an ets table with several objects in it. I want to, with 1 single operation, retrieve all keys and objects my table has...
New
Background
I have an ets table that has, for each key, a list of items. ETS tables have O(1) complexity when using :ets.lookup, as we all...
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Hi community,
Being a newbie, this question may seems obvious for you, functional veterans (i'm discovering new skies with elixir and e...
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Let’s a consider a theoretical case of building an in-memory stock exchange on Elixir.
A stock exchange has a limit order book, which is...
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I’m trying to build a release of a project I’m working on which has several CSV, JSON and ETS files. There files are used at runtime to i...
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:wave: hello!
Context
We are planning on using ETS to cache web responses for up to 6 hours.
Question
Is there a neat way of limiting...
New
Hi, does anyone know how I can create a matchspec for this condition?
matchspec = :ets.fun2ms(fn({key, test}) when key != :counter ->...
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I have been reading the ETS documentation and upon checking :ets.update_counter (which is supposed to be atomic and isolated) I read the ...
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I have an ets set table in an elixir app. I need to clean-up records which have their updated_at older than 10 seconds. is there a way I ...
New
Hi,
I’m writing a service in which each transaction starts with the system returning a “catalog” of available products to each caller/cl...
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Using libraries like singleton you can create applications which are the only one in the whole cluster. This application may be a GenServ...
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Background
In the book “Elixir in Action” I remember reading somewhere that you should have ETS wrapped in a GenServer because this way ...
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Background
I have an ETS table where several processes can write concurrently. This table is very very requested, so having a GenServer a...
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