Scylla: Counters support

Created on 18 Nov 2015  路  29Comments  路  Source: scylladb/scylla

Any plans to support counters? Or is it a hard limit on the architecture, therefore not doable?

CQL enhancement

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btw @pdziepak is actively working on it and we're confident we'll deliver it in March, probably sooner on the main branch

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We plan to support counters, but priority will be determined by demand. So far we haven't seen many users wanting them.

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GitHub needs a star/votes or something on Issues.

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We now have a wiki page describing how counters work.
https://github.com/scylladb/scylla/wiki/Counters

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@meteozond @atin65536 @mike86k @itayadler @sequoiar @horschi @npenkov @rohitjoshi

FYI: When voting, it's best to use the Github reactions feature to add a "thumbs up" on the issue itself - this avoids the extraneous +1 comments and allows issues to be easily sorted by the number of reactions on the main issues page.

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btw @pdziepak is actively working on it and we're confident we'll deliver it in March, probably sooner on the main branch

Great !! Thanks.

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Thanks

Please update your Features page to reflect this is in master. Management skims these lists, ya know!

Please update your Features page to reflect this is in master. Management skims these lists, ya know!

@blunney1 good point.
I will, once its part of an official release. Most users does not compile Scylla.

When is the next stable release expected which contains counters?

I think it's not that important. Focus on the main features. It's only a nice to have. In my opinion, it's a better design to count in your streaming application and write it as aggregated data to scylla.

@RobinUS2 1.7 (released in a few days) will have experimental (but working) support for counters

@avikivity thanks, that sounds like a reasonable timeframe for us to wait for!

@RobinUS2 if your fingers are itching, you can try the last release candidate: https://groups.google.com/d/topic/scylladb-users/jQtFnuCikL4/discussion

On the compatibility page (http://docs.scylladb.com/cassandra-compatibility/) the feature of consistency level SERIAL says to follow here. Does this issue imply support for SERIAL?

@Sam-I-Am-Not you're right, it's not related to this. @tzach please fix and point SERIAL towards LWT

Good catch @Sam-I-Am-Not
Fixed.

Kong is now supported with Scylla 2.2. Read here: https://github.com/Kong/kong/issues/754#issuecomment-408696135

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