+1 on the need to maintain support for since_id in the Search API

On Mar 27, 7:41 am, Taylor Singletary <taylorsinglet...@twitter.com>
wrote:
> Hi Developers,
>
> It's no secret that Twitter is growing exponentially. The tweets keep coming
> with ever increasing velocity, thanks in large part to your great
> applications.
>
> Twitter has adapted to the increasing number of tweets in ways that have
> affected you in the past: We moved from 32 bit unsigned integers to 64-bit
> unsigned integers for status IDs some time ago. You all weathered that storm
> with ease. The tweetapoclypse was averted, and the tweets kept flowing.
>
> Now we're reaching the scalability limit of our current tweet ID generation
> scheme. Unlike the previous tweet ID migrations, the solution to the current
> issue is significantly different. However, in most cases the new approach we
> will take will not result in any noticeable differences to you the developer
> or your users.
>
> We are planning to replace our current sequential tweet ID generation
> routine with a simple, more scalable solution. IDs will still be 64-bit
> unsigned integers. However, this new solution is no longer guaranteed to
> generate sequential IDs.  Instead IDs will be derived based on time: the
> most significant bits being sourced from a timestamp and the least
> significant bits will be effectively random.
>
> Please don't depend on the exact format of the ID. As our infrastructure
> needs evolve, we might need to tweak the generation algorithm again.
>
> If you've been trying to divine meaning from status IDs aside from their
> role as a primary key, you won't be able to anymore. Likewise for usage of
> IDs in mathematical operations -- for instance, subtracting two status IDs
> to determine the number of tweets in between will no longer be possible.
>
> For the majority of applications we think this scheme switch will be a
> non-event. Before implementing these changes, we'd like to know if your
> applications currently depend on the sequential nature of IDs. Do you depend
> on the density of the tweet sequence being constant?  Are you trying to
> analyze the IDs as anything other than opaque, ordered identifiers? Aside
> for guaranteed sequential tweet ID ordering, what APIs can we provide you to
> accomplish your goals?
>
> Taylor Singletary
> Developer Advocate, Twitterhttp://twitter.com/episod

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