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Aggregations support #12

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mindreframer opened this issue Mar 1, 2015 · 22 comments
Open

Aggregations support #12

mindreframer opened this issue Mar 1, 2015 · 22 comments

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@mindreframer
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any particular reason, why aggregations are not supported??

http://www.aerospike.com/docs/architecture/clients.html

Would love to see it soon in the gem!
@khaf
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khaf commented Mar 2, 2015

It is in the works and will be added to the client soon.

@mindreframer
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Really looking forward to it!

@nihtalak
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👍

2 similar comments
@VILATTI
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VILATTI commented Apr 1, 2015

+1

@voleoo
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voleoo commented Apr 1, 2015

👍

@Elochai
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Elochai commented Apr 1, 2015

+ 1

@mic-2000
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mic-2000 commented Apr 1, 2015

+1

4 similar comments
@Kesidi
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Kesidi commented Apr 1, 2015

+1

@mari-bond
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+1

@chubchenko
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+1

@Eversilence
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+1

@khaf
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khaf commented Apr 1, 2015

Wow, look at the demand!

Moved to the top of the priority list.

Is anyone blocked on this?

@babakhanov
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+1

@Eversilence
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Thanks! Looking forward for this feature

@RomanMukhin
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+1

@bbulkow
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bbulkow commented Apr 1, 2015

Hi Folks ---
I'm the product guy here at Aerospike, and we're trying to figure out where the demand for our Ruby client is. Downloads / clones / whatever are far lower than other languages.

Can you tell us what you're using Ruby and Aerospike for?

--- just answer here
--- send me a private note on github
--- send me an email [email protected]

Helping us understand who uses ruby helps us prioritize ruby work (higher) !

Thanks!

@ktaras
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ktaras commented Apr 1, 2015

Hi Brian!
I'm also waiting for this feature because my team and I would like to use it in our high-load Rails app. We've carried out some experiments with it and we were absolutely satisfied, but without this feature we can't use it for our purposes.

@mindreframer
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Hello Brian,

we have some analytical requirements and having aggregations support is absolute must here.

@bbulkow
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bbulkow commented Apr 2, 2015

Cool, thanks for the info, and I'm having some private discussions too. It sounds like you're mostly using aerospike for key-value and need a few aggregations.

Here's the technical problem: we map-reduce on the servers in a parallel fashion, partially reduce on the servers, then do a final reduce stage on the client. Cool, but our map-reduce language is Lua.

We need Lua running inside Ruby.

Since we did a "native ruby" client (which is great and easier to use for all of you), we need a way to call out to Lua for that final step.

Any suggestions of the best way to implement that?

@mindreframer
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The most up-to-date and maintained LUA bridge is this gem:

https://github.com/jmettraux/rufus-lua

Alternatives:

I have little experience working with C bindings /FFI Interface, but if you explain the problem in detail, I could spike a proof of concept (maybe with 2 competing approaches, C vs. FFI), what do you think?

@mindreframer
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it seems that this issue is stalled.... any new info on this?

jhecking added a commit that referenced this issue Sep 20, 2016
@jhecking
Return results of multiple read operations on same bin as array (#12)
c1b09ff 
* support multiple results on same bin

* add record_bin_multiplicity policy for backwards compatibility

The default value Aerospike::RecordBinMultiplicity::SINGLE maintains the
client behavior pre-2.2 of returning only a single result value for any
record bin; if multiple read operations return values for the same bin,
the last result of the last operation is returned.

Set OperatePolicy#record_bin_multiplicity to
Aerospike::RecordBinMultiplicity::ARRAY to return the results of
multiple read operations on the same record in as an array.

* avoid duplicate key lookup

* fix names for get_by_rank(_range) operations

* update docs re. results for multiple read ops on same bin

* cleanup/reformat policy docs

* document OperatePolicy & RecordBinMultiplicity
@lijeeshsd
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Still not implemented? It has been 3 years :( I really need this :(

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