cassandra-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jason <>
Subject Re: interest in minor contention issues?
Date Fri, 06 Aug 2010 22:00:31 GMT
Right now there are just a couple.  It sounds like there's enough interest, so I'll just add
them as they come up, and if it starts to be alot, I'll start coalescing them.    


On Aug 6, 2010, at 5:19 PM, Jeremy Hanna <> wrote:

> Are you talking about a handful of issues or a large number of issues?
> If it's the former, then a Jira issue for each isn't unreasonable.  If it's the latter,
maybe all of your results could go into one Jira issue with steps to reproduce your results.
 Then someone could do some more investigation from the Cassandra community.
> Either way, thank you for reaching out.
> On Aug 6, 2010, at 4:01 PM, Jason Fager wrote:
>> My main concern is that I'm not primarily interested in Cassandra at
>> this point, I'm interested in my JDI project, and formal benchmarking
>> of Cassandra on each item I find is probably more work than I want to
>> put in at this time.  If there's an easy benchmark that's already
>> generally agreed upon, I'll be happy to run it first, but otherwise,
>> I'm basically asking if the dev group is interested in reports that
>> won't reach the threshold of having a demonstrated performance impact,
>> or if those kinds of reports are generally just regarded as annoying.
>> On Fri, Aug 6, 2010 at 4:37 PM, Gary Dusbabek <> wrote:
>>> I think if there is a demonstrable increase in performance or other
>>> obvious wins, then you should go ahead and submit jiras (and patches).
>>> Gary.
>>> On Fri, Aug 6, 2010 at 15:25, Jason Fager <> wrote:
>>>> Hi all,
>>>> I'm doing some work with the Java Debugger Interface, and I'm using
>>>> Cassandra as a test bed.  I've found a few minor contention spots
>>>> (example: MessageDigest.getInstance() being called for every
>>>> invocation of FBUtilities.hash()), but before I start possibly
>>>> spamming your jira with them, I wanted to gauge the general interest
>>>> in knowing these kinds of minor issues.  I'm happy to report them as
>>>> they come up while I'm doing my work, but if you consider them too
>>>> minor to worry about until they actually show up as impacting
>>>> performance during profiling, I don't want to annoy anyone.  Let me
>>>> know.
>>>> - Jason

View raw message