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From Dan Kinder <dkin...@turnitin.com>
Subject Re:
Date Mon, 02 Oct 2017 21:03:31 GMT
Created https://issues.apache.org/jira/browse/CASSANDRA-13923

On Mon, Oct 2, 2017 at 12:06 PM, Dan Kinder <dkinder@turnitin.com> wrote:

> Sure will do.
>
> On Mon, Oct 2, 2017 at 11:48 AM, Jeff Jirsa <jjirsa@gmail.com> wrote:
>
>> You're right, sorry I didnt read the full stack (gmail hid it from me)
>>
>> Would you open a JIRA with your stack traces, and note (somewhat loudly)
>> that this is a regression?
>>
>>
>> On Mon, Oct 2, 2017 at 11:43 AM, Dan Kinder <dkinder@turnitin.com> wrote:
>>
>>> Right, I just meant that calling it at all results in holding a read
>>> lock, which unfortunately is blocking these read threads.
>>>
>>> On Mon, Oct 2, 2017 at 11:40 AM, Jeff Jirsa <jjirsa@gmail.com> wrote:
>>>
>>>>
>>>>
>>>> On Mon, Oct 2, 2017 at 11:27 AM, Dan Kinder <dkinder@turnitin.com>
>>>> wrote:
>>>>
>>>>> (As a side note, it seems silly to call shouldDefragment at all on a
>>>>> read if the compaction strategy is not STSC)
>>>>>
>>>>>
>>>>>
>>>> It defaults to false:
>>>>
>>>> https://github.com/apache/cassandra/blob/cassandra-3.0/src/j
>>>> ava/org/apache/cassandra/db/compaction/AbstractCompactionStr
>>>> ategy.java#L302
>>>>
>>>> And nothing else other than STCS overrides it to true.
>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Dan Kinder
>>> Principal Software Engineer
>>> Turnitin – www.turnitin.com
>>> dkinder@turnitin.com
>>>
>>
>>
>
>
> --
> Dan Kinder
> Principal Software Engineer
> Turnitin – www.turnitin.com
> dkinder@turnitin.com
>



-- 
Dan Kinder
Principal Software Engineer
Turnitin – www.turnitin.com
dkinder@turnitin.com

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