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From Darren Smythe <darren1...@gmail.com>
Subject Re: 1.2 tuning
Date Mon, 03 Jun 2013 15:54:11 GMT
Is "setting live ratio to minimum of 1.0 instead of X" supposed to be rare?
Because were getting it fairly consistently.


On Sat, Jun 1, 2013 at 8:58 PM, Darren Smythe <darren1482@gmail.com> wrote:

> If the amount of remaining time for compaction keeps going up, does this
> point to an overloaded node or an un-tuned node?
>
>
> On Thu, May 30, 2013 at 3:10 PM, Robert Coli <rcoli@eventbrite.com> wrote:
>
>> On Wed, May 29, 2013 at 2:38 PM, Darren Smythe <darren1482@gmail.com>
>> wrote:
>> > Were using the latest JNA and separate ephemeral drives for commit log
>> and
>> > data directories.
>>
>> (as a note..)
>>
>> Per nickmbailey, testing shows that there is little/no benefit to
>> separating commit log and data dirs on virtualized disk (or SSD),
>> because the win from this practice comes when the head doesn't move
>> between appends to the commit log. Because   the head must be assumed
>> to always be moving on shared disk (and because there is no head to
>> move on SSD), you'd be better off with a one-disk-larger ephemeral
>> stripe for both data and commit log.
>>
>> =Rob
>>
>
>

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