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From Josh Elser <>
Subject Re: State of our RPCs
Date Tue, 01 Dec 2015 19:36:18 GMT
To play devil's advocate: I'm not sure if it's quite that simple. For 
example, Avro has been around since 2009, but I don't think it'd be fair 
to consider Avro circa 2009 to Avro circa 2015.

David Medinets wrote:
> What new protocols have been introduced since the Thrift decisions? Can
> someone provide pros and cons for that limited set of protocols?
> On Tue, Dec 1, 2015 at 1:02 PM,<>  wrote:
>> What was it about Thrift that drove us to use it? Was it the bindings for
>> multiple languages? Should this decision be revisited?
>> ----- Original Message -----
>> From: "Josh Elser"<>
>> To: "dev"<>
>> Sent: Tuesday, December 1, 2015 12:49:26 PM
>> Subject: State of our RPCs
>> Hi --
>> My adventures in Thrift as a part of ACCUMULO-4065 are finally coming to
>> a close, it seems. The briefest summary I can give is that our hack to
>> work around an 0.9.0->0.9.1 compatibility issue ended up creating a bug
>> in a very obtuse case (when a server answering a oneway Thrift call
>> threw an RTE or an Error).
>> Given some other recent chatter in the project, I'm left wondering: what
>> next?
>> We've long considered Thrift to be a very useful tool, but extremely
>> scary to upgrade. I think this is just another sign of this. This leaves
>> me asking, how do we fix this?
>> Best as I understand it, Thrift is still a relatively active project (at
>> least their mailing list archives shows it). My impression is that the
>> Java library is much less-so. Most of our issues to me that they
>> ultimately stem from incompatibilities between libthrift versions and
>> uncaught performance regressions.
>> Assuming that to be true, do we need to make a coordinated effort to
>> improve the upstream libthrift code? Become a part of their community,
>> focusing on preventing these sorts of issues from ever filtering down to
>> us? Help them generate and follow compatibility guidelines?
>> I feel like our strategy over the past few years has been to "avert your
>> eyes" -- if we don't touch it, it'll hopefully be ok. Perhaps we need to
>> try something new. Thoughts?
>> - Josh

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