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From Michael Mior <mm...@uwaterloo.ca>
Subject Re: CollationController not using collectTimeOrderedData
Date Tue, 24 Feb 2015 19:22:26 GMT
Thanks Robert!

https://issues.apache.org/jira/browse/CASSANDRA-8859

2015-02-24 14:06 GMT-05:00 Robert Coli <rcoli@eventbrite.com>:

> On Tue, Feb 24, 2015 at 10:58 AM, Michael Mior <michael.mior@gmail.com>
> wrote:
>
>> I'd appreciate some help with a Cassandra 2.1.2 issue I'm experiencing.
>> I'm running a query which looks like this:
>> ...
>>
>
>
>> However, when I run the query with tracing, I see that Cassandra still
>> reads from ALL of the SSTables via collectAllData in CollationController.
>> Given that this query only fetches a single column, I would expect this
>> query to take the collectTimeOrderedData code path and then only examine
>> the first SSTable after seeing that it contains the relevant data.
>>
>
> I'd probably file this specific code issue as a JIRA ticket, or ask about
> it on the cassandra-dev mailing list. While devs do participate in this
> list, your question is a specific one about an internal implementation
> detail.
>
> If you file a JIRA, please let the list know its url! :D
>
> =Rob
>
>

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