occasional timeout when deleting key on multi-node Riak 1.4

Igor Senderovich isenderovich at esperdyne.com
Thu Oct 2 12:11:24 EDT 2014


Thanks for your help, Dmitri,

I get the following in error.log:
2014-10-02 12:05:45.037 [error] <0.6359.19> Webmachine error at path
"/buckets/imc/keys/5134a18660494ea5553d2c90ef9eea2f" : "Service Unavailable"

And no, there is no load balancer on our cluster.
Thank you


On Thu, Oct 2, 2014 at 11:52 AM, Dmitri Zagidulin <dzagidulin at basho.com>
wrote:

> One other question - are you using a load balancer for your cluster (like
> HAProxy or the like). In which case, take a look at its logs, also.
>
> On Thu, Oct 2, 2014 at 11:51 AM, Dmitri Zagidulin <dzagidulin at basho.com>
> wrote:
>
>> Igor,
>> Can you look in the riak log directory, in the error.log (and console log
>> and crash dump file) to see if there's any entries, around the time of the
>> delete operation? And post them here?
>>
>>
>>
>> On Thu, Oct 2, 2014 at 11:45 AM, Igor Senderovich <
>> isenderovich at esperdyne.com> wrote:
>>
>>> Hi,
>>>
>>> I get a timeout when deleting a key, reproducible in about 1 in 10 times:
>>> $ curl -i -vvv
>>> http://myhost:8098/buckets/imc/keys/5134a18660494ea5553d2c90ef9eea2f
>>>
>>> * About to connect() to dp1.prod6.ec2.cmg.net port 8098
>>> *   Trying 10.12.239.90... connected
>>> * Connected to dp1.prod6.ec2.cmg.net (10.12.239.90) port 8098
>>> > DELETE /buckets/imc/keys/5134a18660494ea5553d2c90ef9eea2f HTTP/1.1
>>> > User-Agent: curl/7.15.5 (x86_64-redhat-linux-gnu) libcurl/7.15.5
>>> OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
>>> > Host: dp1.prod6.ec2.cmg.net:8098
>>> > Accept: */*
>>> >
>>> < HTTP/1.1 503 Service Unavailable
>>> HTTP/1.1 503 Service Unavailable
>>> < Server: MochiWeb/1.1 WebMachine/1.10.0 (never breaks eye contact)
>>> Server: MochiWeb/1.1 WebMachine/1.10.0 (never breaks eye contact)
>>> < Date: Wed, 01 Oct 2014 16:11:41 GMT
>>> Date: Wed, 01 Oct 2014 16:11:41 GMT
>>> < Content-Type: text/plain
>>> Content-Type: text/plain
>>> < Content-Length: 18
>>> Content-Length: 18
>>>
>>> request timed out
>>> * Connection #0 to host dp1.prod6.ec2.cmg.net left intact
>>> * Closing connection #0
>>>
>>>
>>> This is on Riak 1.4 on a 5 node cluster with an n-value of 3.
>>> Thank you for your help
>>>
>>> _______________________________________________
>>> riak-users mailing list
>>> riak-users at lists.basho.com
>>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
>>>
>>>
>>
>
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