logging clues? [resend]

Ryan Tilder rtilder at basho.com
Fri Jan 22 10:31:40 EST 2010


On Thu, Jan 21, 2010 at 12:56 PM, Ken Sedgwick <ksedgwic at bonsai.com> wrote:

> [I had to strip the client log because the list remailer quarantines
> messages over 40K ...]
>
> On 01/21/2010 06:34 AM, Bryan Fink wrote:
>
>  I'm not sure about the RST you're seeing.  What operating system are
>> you using?  We've found that TCP performance on OS X under heavy
>> concurrent load is pretty awful, and could cause symptoms like this,
>> for example.
>>
>
> Bryan,
>
> Thank you for the advice re logging, it's working great!
>
> I re-ran my client and generated the RST error again.  I also captured the
> server log at the same time.  I've attached both.
>
> The interesting part is that on the three keys that the client reports the
> RST on, the server log doesn't mention them at all.
>
> ds_put: trouble w/ key "Pmoazf5usxs="
> ds_put: trouble w/ key "ZJ091hYA9zs="
> ds_put: trouble w/ key "VSIGItUHD3c="
>
> This suggests to me that the request isn't getting very far into the server
> before it is falling afoul somehow ...
>
>
What level of concurrency of requests are you using?  The default TCP listen
queue in riak is 30, which is likely large enough for most situations.

--Ryan
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