Compact storage should really have been named "not wasteful storage" - now
everything is "not wasteful storage" so it's void of meaning. This is true
without constraint. You do not need to limit yourself to a single non-PK
column; you can have many and it will remain as or more efficient than
"compact storage"

On Mon, 11 Apr 2016 at 15:04, Jack Krupansky <jack.krupan...@gmail.com>
wrote:

> My understanding is Thrift is being removed from Cassandra in 4.0, but will
> COMPACT STORAGE be removed as well? Clearly the two are related, but
> COMPACT STORAGE had a performance advantage in addition to Thrift
> compatibility, so its status is ambiguous.
>
> I recall vague chatter, but no explicit deprecation notice or 4.0 plan for
> removal of COMPACT STORAGE. Actually, I don't even see a deprecation notice
> for Thrift itself in CHANGES.txt.
>
> Will a table with only a single non-PK column automatically be implemented
> at a comparable level of efficiency compared to the old/current Compact
> STORAGE? That will still leave the question of how to migrate a non-Thrift
> COMPACT STORAGE table (i.e., used for performance by a CQL-oriented
> developer rather than Thrift compatibility per se) to pure CQL.
>
> -- Jack Krupansky
>

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